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Message-ID: <a4423d670903120535v339a1e43x64cf018f07ee0b6b@mail.gmail.com> Date: Thu, 12 Mar 2009 15:35:41 +0300 From: Alexander Beregalov <a.beregalov@...il.com> To: Theodore Tso <tytso@....edu>, "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>, linux-ext4@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, "Rafael J. Wysocki" <rjw@...k.pl>, Kernel Testers List <kernel-testers@...r.kernel.org> Subject: 2.6.29-rc7: ext4 hangs on sparc (was: next-20090310: ext4 hangs) 2009/3/11 Alexander Beregalov <a.beregalov@...il.com>: > 2009/3/10 Theodore Tso <tytso@....edu>: >> On Tue, Mar 10, 2009 at 05:18:55PM +0300, Alexander Beregalov wrote: >>> > Thanks for reporting this; does it show up on stock 2.6.29-rc7? >>> No, I can not reproduce it. >>> It is a slow system, I would not like to bisect it, only if it is the >>> last possibility. >> >> Just to be clear; you weren't able to reproduce it on stock 2.6.29-rc7 >> ---- does it reproduce easily on linux-next? > Right. > But now I am not sure 2.6.29-rc7 is not affected, I will try to > reproduce it again. No! I run dbench many times for few hours and was able to reproduce it on 2.6.29-rc7-00166-g16b71fd. Rafael: ext4 hangs on sparc with 2.6.29-rc7. Still can not reproduce it on x86_64. Theodore, stacktraces look different, but it seems it is the same problem, isn't it? kjournald2 D 000000000055c3c8 0 1558 2 Call Trace: [000000000055668c] jbd2_journal_commit_transaction+0x208/0x1718 [000000000055c3c8] kjournald2+0x13c/0x308 [0000000000465a94] kthread+0x48/0x7c [000000000042b37c] kernel_thread+0x3c/0x54 [00000000004659a4] kthreadd+0xe8/0x190 dbench D 0000000000554938 0 1796 1 Call Trace: [000000000055bc04] jbd2_log_wait_commit+0x144/0x1a8 [0000000000554938] jbd2_journal_stop+0x32c/0x37c [0000000000556210] jbd2_journal_force_commit+0x34/0x4c [0000000000535ba4] ext4_force_commit+0x30/0x50 [0000000000528644] ext4_write_inode+0x80/0xa0 [00000000004d0808] __writeback_single_inode+0x1e4/0x330 [00000000004d0974] sync_inode+0x20/0x40 [0000000000525674] ext4_sync_file+0xc4/0x118 [00000000004d3eac] vfs_fsync+0x6c/0xa0 [00000000004d3f08] do_fsync+0x28/0x44 [00000000004d3f60] SyS_fsync+0x14/0x28 [0000000000406154] linux_sparc_syscall32+0x34/0x40 dbench D 0000000000554938 0 1797 1 Call Trace: [000000000055bc04] jbd2_log_wait_commit+0x144/0x1a8 [0000000000554938] jbd2_journal_stop+0x32c/0x37c [0000000000556210] jbd2_journal_force_commit+0x34/0x4c [0000000000535ba4] ext4_force_commit+0x30/0x50 [0000000000528644] ext4_write_inode+0x80/0xa0 [00000000004d0808] __writeback_single_inode+0x1e4/0x330 [00000000004d0974] sync_inode+0x20/0x40 [0000000000525674] ext4_sync_file+0xc4/0x118 [00000000004d3eac] vfs_fsync+0x6c/0xa0 [00000000004d3f08] do_fsync+0x28/0x44 [00000000004d3f60] SyS_fsync+0x14/0x28 [0000000000406154] linux_sparc_syscall32+0x34/0x40 dbench D 000000000055617c 0 1798 1 Call Trace: [0000000000555de8] start_this_handle+0x394/0x528 [000000000055617c] jbd2_journal_start+0xbc/0x11c [00000000005391d8] ext4_journal_start_sb+0x5c/0x84 [0000000000533328] ext4_unlink+0x2c/0x290 [00000000004bd8f8] vfs_unlink+0x70/0xc8 [00000000004bf984] do_unlinkat+0xc4/0x154 [00000000004bfa28] SyS_unlink+0x14/0x24 [0000000000406154] linux_sparc_syscall32+0x34/0x40 dbench D 0000000000554938 0 1799 1 Call Trace: [000000000055bc04] jbd2_log_wait_commit+0x144/0x1a8 [0000000000554938] jbd2_journal_stop+0x32c/0x37c [0000000000556210] jbd2_journal_force_commit+0x34/0x4c [0000000000535ba4] ext4_force_commit+0x30/0x50 [0000000000528644] ext4_write_inode+0x80/0xa0 [00000000004d0808] __writeback_single_inode+0x1e4/0x330 [00000000004d0974] sync_inode+0x20/0x40 [0000000000525674] ext4_sync_file+0xc4/0x118 [00000000004d3eac] vfs_fsync+0x6c/0xa0 [00000000004d3f08] do_fsync+0x28/0x44 [00000000004d3f60] SyS_fsync+0x14/0x28 [0000000000406154] linux_sparc_syscall32+0x34/0x40 dbench D 000000000055617c 0 1800 1 Call Trace: [0000000000555de8] start_this_handle+0x394/0x528 [000000000055617c] jbd2_journal_start+0xbc/0x11c [00000000005391d8] ext4_journal_start_sb+0x5c/0x84 [0000000000529924] ext4_dirty_inode+0xd4/0xf0 [00000000004d11d8] __mark_inode_dirty+0x2c/0x188 [00000000004c6ec4] touch_atime+0x160/0x178 [00000000004c21ec] vfs_readdir+0x88/0xb0 [00000000004ea294] compat_sys_getdents+0x3c/0x8c [0000000000406154] linux_sparc_syscall32+0x34/0x40 pdflush D 000000000055617c 0 1815 2 Call Trace: [0000000000555de8] start_this_handle+0x394/0x528 [000000000055617c] jbd2_journal_start+0xbc/0x11c [00000000005391d8] ext4_journal_start_sb+0x5c/0x84 [000000000052b7c8] ext4_da_writepages+0x1ac/0x408 [0000000000490874] do_writepages+0x40/0x78 [00000000004d07bc] __writeback_single_inode+0x198/0x330 [00000000004d0d9c] generic_sync_sb_inodes+0x238/0x3c4 [00000000004d1148] writeback_inodes+0xb0/0x114 [0000000000490a70] wb_kupdate+0xdc/0x168 [00000000004919b4] pdflush+0x128/0x1e0 [0000000000465a94] kthread+0x48/0x7c [000000000042b37c] kernel_thread+0x3c/0x54 [00000000004659a4] kthreadd+0xe8/0x190 pdflush D 00000000005349b0 0 1818 2 Call Trace: [000000000055ac90] jbd2_journal_release_jbd_inode+0x94/0xd8 [00000000005349b0] ext4_clear_inode+0x2c/0x3c [00000000004c72cc] clear_inode+0xac/0x124 [0000000000526e2c] ext4_free_inode+0x7c/0x3c0 [000000000052e758] ext4_delete_inode+0x218/0x29c [00000000004c7e64] generic_delete_inode+0x8c/0x124 [00000000004c7f1c] generic_drop_inode+0x20/0x19c [00000000004c6f54] iput+0x78/0x88 [00000000004d0e00] generic_sync_sb_inodes+0x29c/0x3c4 [00000000004d1148] writeback_inodes+0xb0/0x114 [0000000000490f74] background_writeout+0xc8/0x114 [00000000004919b4] pdflush+0x128/0x1e0 [0000000000465a94] kthread+0x48/0x7c [000000000042b37c] kernel_thread+0x3c/0x54 [00000000004659a4] kthreadd+0xe8/0x190 -- 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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