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Message-Id: <201206051620.47925.linux@rainbow-software.org> Date: Tue, 5 Jun 2012 16:20:47 +0200 From: Ondrej Zary <linux@...nbow-software.org> To: Konstantin Khlebnikov <khlebnikov@...nvz.org> Cc: Hugh Dickins <hughd@...gle.com>, Kernel development list <linux-kernel@...r.kernel.org>, Dave Jones <davej@...hat.com>, Hans de Bruin <jmdebruin@...net.nl>, Linux NFS mailing list <linux-nfs@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Toralf Förster <toralf.foerster@....de>, "richard -rw- weinberger" <richard.weinberger@...il.com> Subject: Re: [bisected commit 0fc9d10] NFS-server corruption with 3.4 On Tuesday 05 June 2012, Konstantin Khlebnikov wrote: > Ondrej Zary wrote: > > Hello, > > I use NFS for deploying HDD images on new machines. My machine has 2nd > > network card just for this, running DHCPD, TFTPD and kernel NFS server. > > The target machine is set to boot from LAN and boots SystemRescueCD from > > my machine with an autorun script that launches Partimage and deploys the > > HDD image (400 to 900 MB compressed). > > > > It worked fine for years, until now. With kernel 3.4, everyting > > works only for the first time after boot (and not always). Next time > > (next machine), partimage aborts almost immediately as it's probably > > unable to decompress the image file. md5sum is different on my machine > > vs. on the target (through NFS). Also SystemRescueCD boot aborts with md5 > > error sometimes. Everything works fine after rebooting back to 3.3. > > > > Bisection found this: > > > > 0fc9d1040313047edf6a39fd4d7c7defdca97c62 is the first bad commit > > commit 0fc9d1040313047edf6a39fd4d7c7defdca97c62 > > Author: Konstantin Khlebnikov<khlebnikov@...nvz.org> > > Date: Wed Mar 28 14:42:54 2012 -0700 > > > > radix-tree: use iterators in find_get_pages* functions > > > > Reverting this commit in 3.4 fixes the problem. > > [all reporters added to CC] let's keep all in one thread > > In attachment two patches which might help to debug this regression: > > "mm: recheck page index in find_get_pages_contig" adds paranoid check into > find_get_pages_contig(). It can explain everything, but currently I don't > see how this can hapens. > > "mm: debug fing_get_pages speculative restart" shows lookup restarting > condition which was removed by bisected commit. My dmesg (after corruption occured) with these two patches applied: [ 79.999511] ------------[ cut here ]------------ [ 79.999564] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 79.999611] Hardware name: VT82C694X [ 79.999617] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 79.999653] Pid: 1563, comm: nfsd Not tainted 3.4.0-omega #4 [ 79.999659] Call Trace: [ 79.999729] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 79.999744] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 79.999753] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 79.999763] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 79.999772] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 79.999805] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 79.999853] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 79.999873] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 79.999900] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 79.999931] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 79.999981] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.000000] [<c0150215>] ? getboottime+0x35/0x40 [ 80.007383] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.007505] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.007574] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.007590] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.007599] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.007608] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.007618] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.007654] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.007700] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.007715] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.007732] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.007745] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.007779] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.007825] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.007838] [<f892a000>] ? 0xf8929fff [ 80.007846] [<f892a000>] ? 0xf8929fff [ 80.007858] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.007867] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.007896] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.007937] ---[ end trace 0bc8170cf5ac5466 ]--- [ 80.007944] ------------[ cut here ]------------ [ 80.007966] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.007973] Hardware name: VT82C694X [ 80.007977] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.014458] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.014547] Call Trace: [ 80.014580] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.014603] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.014612] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.014624] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.014676] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.014697] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.014709] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.014727] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 80.014767] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 80.014857] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.014886] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.014939] [<c0150215>] ? getboottime+0x35/0x40 [ 80.014950] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.015030] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.015080] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.015095] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.015104] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.015113] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.015162] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.015177] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.015190] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.015205] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.015221] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.015234] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.015305] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.015318] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.015330] [<f892a000>] ? 0xf8929fff [ 80.015337] [<f892a000>] ? 0xf8929fff [ 80.015350] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.015359] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.015415] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.015424] ---[ end trace 0bc8170cf5ac5467 ]--- [ 80.015430] ------------[ cut here ]------------ [ 80.015446] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.015452] Hardware name: VT82C694X [ 80.015456] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.015534] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.015540] Call Trace: [ 80.015560] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.015570] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.015579] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.015588] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.015597] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.015625] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.015672] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.015683] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 80.015697] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 80.015712] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.015726] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.015782] [<c0150215>] ? getboottime+0x35/0x40 [ 80.015792] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.015829] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.015843] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.015867] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.015911] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.015921] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.015930] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.015945] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.015958] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.015972] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.016083] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.016096] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.016168] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.016182] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.016191] [<f892a000>] ? 0xf8929fff [ 80.016198] [<f892a000>] ? 0xf8929fff [ 80.016209] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.016218] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.016278] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.016285] ---[ end trace 0bc8170cf5ac5468 ]--- [ 80.016291] ------------[ cut here ]------------ [ 80.016309] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.016315] Hardware name: VT82C694X [ 80.016319] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.016397] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.016403] Call Trace: [ 80.016420] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.016430] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.016439] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.016449] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.016458] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.016483] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.016529] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.016541] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 80.016554] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 80.016570] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.016584] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.016645] [<c0150215>] ? getboottime+0x35/0x40 [ 80.016656] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.016688] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.016701] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.016712] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.016769] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.016779] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.016788] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.016802] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.016816] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.016829] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.016851] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.016890] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.016915] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.016927] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.016936] [<f892a000>] ? 0xf8929fff [ 80.016943] [<f892a000>] ? 0xf8929fff [ 80.016951] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.016963] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.017018] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.017024] ---[ end trace 0bc8170cf5ac5469 ]--- [ 80.017030] ------------[ cut here ]------------ [ 80.017046] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.017052] Hardware name: VT82C694X [ 80.017056] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.017136] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.017142] Call Trace: [ 80.017158] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.017169] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.017178] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.017188] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.017197] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.017222] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.017285] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.017301] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 80.017317] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.017331] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.017342] [<c0150215>] ? getboottime+0x35/0x40 [ 80.017352] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.017391] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.017445] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.017456] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.017465] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.017474] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.017483] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.017538] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.017551] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.017659] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.017675] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.017687] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.017713] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.017725] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.017782] [<f892a000>] ? 0xf8929fff [ 80.017790] [<f892a000>] ? 0xf8929fff [ 80.017799] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.017808] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.017821] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.017829] ---[ end trace 0bc8170cf5ac546a ]--- [ 80.017834] ------------[ cut here ]------------ [ 80.017851] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.017900] Hardware name: VT82C694X [ 80.017905] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.017936] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.017941] Call Trace: [ 80.017960] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.017970] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018029] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018040] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.018049] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018062] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.018073] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.018087] [<f892c710>] ? _fh_update.isra.11.part.12+0x60/0x60 [nfsd] [ 80.018114] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.018165] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.018177] [<c0150215>] ? getboottime+0x35/0x40 [ 80.018189] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.018227] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.018283] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.018296] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.018305] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.018314] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.018323] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.018339] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.018397] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.018412] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.018426] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.018438] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.018464] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.018522] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.018532] [<f892a000>] ? 0xf8929fff [ 80.018539] [<f892a000>] ? 0xf8929fff [ 80.018549] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.018558] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.018572] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.018578] ---[ end trace 0bc8170cf5ac546b ]--- [ 80.018584] ------------[ cut here ]------------ [ 80.018609] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 80.018648] Hardware name: VT82C694X [ 80.018654] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 80.018684] Pid: 1563, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 80.018690] Call Trace: [ 80.018705] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 80.018725] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018771] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018782] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 80.018791] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 80.018805] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 80.018816] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 80.018830] [<c022c9f7>] ? exportfs_decode_fh+0xc7/0x250 [ 80.018891] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 80.018903] [<c0150215>] ? getboottime+0x35/0x40 [ 80.018913] [<c04f0da8>] ? __schedule+0x198/0x470 [ 80.018947] [<f88cbf34>] ? sunrpc_cache_lookup+0x54/0x2d0 [sunrpc] [ 80.018959] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 80.019015] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 80.019025] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 80.019034] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 80.019044] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 80.019058] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 80.019071] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 80.019084] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 80.019139] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 80.019152] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 80.019177] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 80.019189] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 80.019198] [<f892a000>] ? 0xf8929fff [ 80.019205] [<f892a000>] ? 0xf8929fff [ 80.019257] [<c01389bc>] ? kthread+0x6c/0x80 [ 80.019267] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 80.019279] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 80.019286] ---[ end trace 0bc8170cf5ac546c ]--- [ 91.774922] ------------[ cut here ]------------ [ 91.775125] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.775327] Hardware name: VT82C694X [ 91.775334] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.775483] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.775570] Call Trace: [ 91.775642] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.775816] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.775829] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.775842] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.796462] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.796487] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.796554] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.796565] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.796580] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.796588] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.796608] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.796637] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.796706] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.796722] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.796731] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.796755] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.796855] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.796925] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.796941] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.796951] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.796960] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.796969] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.796986] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.797042] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.797057] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.797074] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.797086] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.797119] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.797195] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.797207] [<f892a000>] ? 0xf8929fff [ 91.797215] [<f892a000>] ? 0xf8929fff [ 91.797227] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.797236] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.797250] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.797259] ---[ end trace 0bc8170cf5ac546d ]--- [ 91.797311] ------------[ cut here ]------------ [ 91.797330] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.797337] Hardware name: VT82C694X [ 91.797341] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.797374] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.797379] Call Trace: [ 91.797412] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.797495] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.797505] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.797565] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.797576] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.797590] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.797604] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.797614] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.797628] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.797686] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.797697] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.797711] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.797727] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.797737] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.797746] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.797761] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.797841] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.797856] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.797869] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.797879] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.797931] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.797941] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.797957] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.797971] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.797985] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.798000] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.798052] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.798078] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.798090] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.798100] [<f892a000>] ? 0xf8929fff [ 91.798107] [<f892a000>] ? 0xf8929fff [ 91.798118] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.798176] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.798188] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.798195] ---[ end trace 0bc8170cf5ac546e ]--- [ 91.798201] ------------[ cut here ]------------ [ 91.798216] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.798222] Hardware name: VT82C694X [ 91.798226] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.798306] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.798312] Call Trace: [ 91.798328] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.798338] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.798347] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.798357] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.798366] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.798426] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.798437] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.798447] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.798459] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.798467] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.798477] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.798491] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.798551] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.798561] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.798571] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.798579] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.798617] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.798673] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.798687] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.798697] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.798706] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.798716] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.798731] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.798745] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.798794] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.798811] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.798823] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.798847] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.798859] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.798912] [<f892a000>] ? 0xf8929fff [ 91.798920] [<f892a000>] ? 0xf8929fff [ 91.798929] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.798938] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.798950] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.798957] ---[ end trace 0bc8170cf5ac546f ]--- [ 91.798963] ------------[ cut here ]------------ [ 91.798976] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.798982] Hardware name: VT82C694X [ 91.799028] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.799060] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.799066] Call Trace: [ 91.799080] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.799091] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799100] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799110] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.799161] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799175] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.799186] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.799195] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.799206] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.799214] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.799225] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.799288] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.799304] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.799314] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.799323] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.799331] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.799377] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.799426] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.799438] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.799448] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.799457] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.799466] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.799484] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.799527] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.799542] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.799557] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.799569] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.799592] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.799654] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.799664] [<f892a000>] ? 0xf8929fff [ 91.799671] [<f892a000>] ? 0xf8929fff [ 91.799681] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.799690] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.799703] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.799710] ---[ end trace 0bc8170cf5ac5470 ]--- [ 91.799715] ------------[ cut here ]------------ [ 91.799743] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.799783] Hardware name: VT82C694X [ 91.799789] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.799820] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.799825] Call Trace: [ 91.799840] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.799925] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799935] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799946] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.799956] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.799968] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.799979] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.799989] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.800000] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.820316] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.820387] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.820415] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.820484] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.820500] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.820516] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.820537] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.820673] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.820728] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.820750] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.820760] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.820769] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.820823] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.820840] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.820854] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.820868] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.820886] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.820901] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.820964] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.820977] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.820990] [<f892a000>] ? 0xf8929fff [ 91.820997] [<f892a000>] ? 0xf8929fff [ 91.821009] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.821019] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.821075] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.821084] ---[ end trace 0bc8170cf5ac5471 ]--- [ 91.821091] ------------[ cut here ]------------ [ 91.821112] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.821119] Hardware name: VT82C694X [ 91.821123] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.821205] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.821211] Call Trace: [ 91.821233] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.821244] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.821253] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.821262] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.821318] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.821332] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.821343] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.821353] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.821365] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.821373] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.821383] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.821438] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.821454] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.821463] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.821472] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.821481] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.821529] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.821599] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.821616] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.821627] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.821636] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.821717] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.821734] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.821748] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.821762] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.821881] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.821896] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.821938] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.822017] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.825357] [<f892a000>] ? 0xf8929fff [ 91.825368] [<f892a000>] ? 0xf8929fff [ 91.825383] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.825402] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.825457] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.825466] ---[ end trace 0bc8170cf5ac5472 ]--- [ 91.825473] ------------[ cut here ]------------ [ 91.825496] WARNING: at mm/filemap.c:941 find_get_pages_contig+0x177/0x1b0() [ 91.825502] Hardware name: VT82C694X [ 91.825506] Modules linked in: nfsd lockd sunrpc des_generic ecb crypto_blkcipher md4 md5 hmac cryptomgr aead cifs crypto_hash crypto_algapi crypto firewire_ohci firewire_core [ 91.825585] Pid: 1564, comm: nfsd Tainted: G W 3.4.0-omega #4 [ 91.825590] Call Trace: [ 91.825612] [<c011ff88>] ? warn_slowpath_common+0x78/0xb0 [ 91.825622] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.825632] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.825689] [<c011ffd9>] ? warn_slowpath_null+0x19/0x20 [ 91.825699] [<c0175187>] ? find_get_pages_contig+0x177/0x1b0 [ 91.825719] [<c01c544b>] ? __generic_file_splice_read+0xeb/0x510 [ 91.825734] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.825744] [<c01c4040>] ? page_cache_pipe_buf_release+0x10/0x10 [ 91.825759] [<c01b7cec>] ? iput+0x2c/0x210 [ 91.825812] [<c01b5a5f>] ? d_obtain_alias+0x2f/0x170 [ 91.825833] [<c0203f89>] ? ext3_fh_to_dentry+0x19/0x20 [ 91.825850] [<c022c9b7>] ? exportfs_decode_fh+0x87/0x250 [ 91.825881] [<f893133d>] ? exp_get_by_name+0x3d/0x70 [nfsd] [ 91.825939] [<c04c35a6>] ? udp_recvmsg+0x186/0x2d0 [ 91.825949] [<c01254bf>] ? irq_exit+0x4f/0x90 [ 91.825960] [<c0103b03>] ? do_IRQ+0x43/0xa0 [ 91.826039] [<f88cdc71>] ? cache_check+0x71/0x3f0 [sunrpc] [ 91.826102] [<c04f2589>] ? common_interrupt+0x29/0x30 [ 91.826117] [<c01c58e3>] ? generic_file_splice_read+0x73/0x110 [ 91.826127] [<c01c5870>] ? __generic_file_splice_read+0x510/0x510 [ 91.826179] [<c01c4330>] ? do_splice_to+0x60/0x90 [ 91.826189] [<c01c459a>] ? splice_direct_to_actor+0xaa/0x1c0 [ 91.826206] [<f892d710>] ? nfsd_buffered_filldir+0x160/0x160 [nfsd] [ 91.826219] [<f892dc37>] ? nfsd_vfs_read.isra.16+0x117/0x160 [nfsd] [ 91.826233] [<f892e764>] ? nfsd_read+0x1c4/0x280 [nfsd] [ 91.826249] [<f89357bf>] ? nfsd3_proc_read+0xcf/0x160 [nfsd] [ 91.826305] [<f892a7d0>] ? nfsd_dispatch+0xb0/0x190 [nfsd] [ 91.826332] [<f88c3682>] ? svc_process+0x442/0x7c0 [sunrpc] [ 91.826344] [<f892a0a3>] ? nfsd+0xa3/0x130 [nfsd] [ 91.826353] [<f892a000>] ? 0xf8929fff [ 91.826360] [<f892a000>] ? 0xf8929fff [ 91.826370] [<c01389bc>] ? kthread+0x6c/0x80 [ 91.826427] [<c0138950>] ? kthread_freezable_should_stop+0x50/0x50 [ 91.826439] [<c04f2596>] ? kernel_thread_helper+0x6/0xd [ 91.826446] ---[ end trace 0bc8170cf5ac5473 ]--- -- Ondrej Zary -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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