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Message-ID: <20111123124656.35063401@corrin.poochiereds.net> Date: Wed, 23 Nov 2011 12:46:56 -0500 From: Jeff Layton <jlayton@...hat.com> To: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com> Cc: Belisko Marek <marek.belisko@...il.com>, LKML <linux-kernel@...r.kernel.org>, "Rafael J. Wysocki" <rjw@...k.pl>, linux-nfs@...r.kernel.org, Linux PM mailing list <linux-pm@...r.kernel.org>, john@...va.com, Tejun Heo <tj@...nel.org>, trond.myklebust@...app.com Subject: Re: Freezing of tasks failed after 20.01 seconds in kernel 3.2.0-rc2 On Wed, 23 Nov 2011 14:01:50 +0530 "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com> wrote: > On 11/23/2011 02:50 AM, Belisko Marek wrote: > > Using 3.2.0-rc2 on my laptop once I've seen following trace when suspend: > > > > [15215.853880] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > > [15221.646580] psmouse serio2: bad data from KBC - timeout > > [15221.857213] psmouse serio2: bad data from KBC - timeout > > [15226.960037] wlan0: no IPv6 routers present > > [15278.513091] wlan0: deauthenticating from 00:1e:58:14:6c:44 by local > > choice (reason=3) > > [15278.537857] cfg80211: All devices are disconnected, going to > > restore regulatory settings > > [15278.537865] cfg80211: Restoring regulatory settings > > [15278.537872] cfg80211: Calling CRDA to update world regulatory domain > > [15278.546284] cfg80211: Ignoring regulatory request Set by core since > > the driver uses its own custom regulatory domain > > [15278.546290] cfg80211: World regulatory domain updated: > > [15278.546294] cfg80211: (start_freq - end_freq @ bandwidth), > > (max_antenna_gain, max_eirp) > > [15278.546300] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), > > (300 mBi, 2000 mBm) > > [15278.546305] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), > > (300 mBi, 2000 mBm) > > [15278.546310] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), > > (300 mBi, 2000 mBm) > > [15278.546315] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), > > (300 mBi, 2000 mBm) > > [15278.546321] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), > > (300 mBi, 2000 mBm) > > [15280.417945] init: anacron main process (10148) killed by TERM signal > > [15281.558943] PM: Syncing filesystems ... done. > > [15281.970184] PM: Preparing system for mem sleep > > [15282.284192] Freezing user space processes ... > > [15302.300305] Freezing of tasks failed after 20.01 seconds (1 tasks > > refusing to freeze, wq_busy=0): > > [15302.300485] mount.nfs D f1bb7a1c 0 9987 9985 0x00800004 > > [15302.300494] f1bb7a74 00000082 c1539243 f1bb7a1c f9220b89 f1bb79f8 > > c1026778 c1878340 > > [15302.300507] f046cc20 c1878340 c1878340 1e6f8d83 00000de6 c1878340 > > f4a07340 f046cc20 > > [15302.300518] f1a658d0 f3898000 f1bb7a48 c1055e95 00000000 f3898000 > > 0039d700 00000286 > > [15302.300530] Call Trace: > > [15302.300542] [<c1539243>] ? _raw_read_unlock_bh+0x13/0x20 > > [15302.300566] [<f9220b89>] ? xs_tcp_state_change+0x49/0x280 [sunrpc] > > [15302.300574] [<c1026778>] ? default_spin_lock_flags+0x8/0x10 > > [15302.300582] [<c1055e95>] ? mod_timer+0x135/0x260 > > [15302.300601] [<f9223003>] ? __rpc_sleep_on_priority+0x173/0x240 [sunrpc] > > [15302.300607] [<c1026778>] ? default_spin_lock_flags+0x8/0x10 > > [15302.300613] [<c153901f>] ? _raw_spin_lock_irqsave+0x2f/0x50 > > [15302.300619] [<c1537475>] schedule+0x35/0x50 > > [15302.300637] [<f922265e>] rpc_wait_bit_killable+0x1e/0x40 [sunrpc] > > [15302.300643] [<c1537b1d>] __wait_on_bit+0x4d/0x70 > > [15302.300661] [<f9222640>] ? rpc_queue_empty+0x40/0x40 [sunrpc] > > [15302.300679] [<f9222640>] ? rpc_queue_empty+0x40/0x40 [sunrpc] > > [15302.300685] [<c1537beb>] out_of_line_wait_on_bit+0xab/0xc0 > > [15302.300692] [<c1065b50>] ? autoremove_wake_function+0x50/0x50 > > [15302.300710] [<f9222d27>] __rpc_execute+0x167/0x270 [sunrpc] > > [15302.300716] [<c1065aee>] ? wake_up_bit+0x5e/0x70 > > [15302.300734] [<f9222e68>] rpc_execute+0x38/0x40 [sunrpc] > > [15302.300749] [<f921bd49>] rpc_run_task+0x59/0x70 [sunrpc] > > [15302.300765] [<f921be5e>] rpc_call_sync+0x3e/0x60 [sunrpc] > > [15302.300782] [<f921bec8>] rpc_ping+0x48/0x60 [sunrpc] > > [15302.300799] [<f921c6b7>] rpc_create+0x397/0x4d0 [sunrpc] > > [15302.300807] [<c102c73d>] ? kmap_atomic_prot+0xdd/0x100 > > [15302.300815] [<c12b0500>] ? __nla_reserve+0x40/0x50 > > [15302.300831] [<f9397a8b>] nfs_create_rpc_client+0xab/0xe0 [nfs] > > [15302.300841] [<f88f0ce9>] ? __fscache_acquire_cookie+0x59/0x270 [fscache] > > [15302.300858] [<f9397b92>] nfs4_init_client+0x62/0x170 [nfs] > > [15302.300873] [<f9398c83>] nfs_get_client+0x353/0x4e0 [nfs] > > [15302.300880] [<c1537e69>] ? mutex_lock+0x19/0x40 > > [15302.300886] [<c12afef2>] ? __percpu_counter_init+0x62/0x70 > > [15302.300901] [<f9398e6a>] nfs4_set_client+0x5a/0xc0 [nfs] > > [15302.300917] [<f9398f96>] nfs4_create_server+0xc6/0x310 [nfs] > > [15302.300936] [<f93a400e>] nfs4_remote_mount+0x5e/0x2f0 [nfs] > > [15302.300943] [<c1298aa1>] ? ida_get_new_above+0x101/0x1b0 > > [15302.300951] [<c112fde6>] mount_fs+0x36/0x170 > > [15302.300960] [<c10fcf9f>] ? __alloc_percpu+0xf/0x20 > > [15302.300967] [<c1146dae>] ? alloc_vfsmnt+0xae/0x130 > > [15302.300974] [<c1147b0b>] vfs_kern_mount+0x4b/0xa0 > > [15302.300991] [<f93a35f9>] nfs_do_root_mount+0x69/0x90 [nfs] > > [15302.301008] [<f93a209c>] ? nfs_parse_devname+0x8c/0x1a0 [nfs] > > [15302.301026] [<f93a390f>] nfs4_try_mount+0x3f/0xb0 [nfs] > > [15302.301043] [<f93a2235>] ? nfs4_validate_text_mount_data+0x85/0x100 [nfs] > > [15302.301060] [<f93a47a5>] nfs_fs_mount+0x465/0xb20 [nfs] > > [15302.301066] [<c10fc210>] ? pcpu_alloc_area+0x210/0x320 > > [15302.301073] [<c10fbbf8>] ? pcpu_next_pop+0x38/0x50 > > [15302.301078] [<c10fca94>] ? pcpu_alloc+0x354/0x830 > > [15302.301085] [<c1298aa1>] ? ida_get_new_above+0x101/0x1b0 > > [15302.301092] [<c111e375>] ? __kmalloc_track_caller+0xf5/0x1a0 > > [15302.301097] [<c1298aa1>] ? ida_get_new_above+0x101/0x1b0 > > [15302.301104] [<c112fde6>] mount_fs+0x36/0x170 > > [15302.301110] [<c10fcf9f>] ? __alloc_percpu+0xf/0x20 > > [15302.301116] [<c1146dae>] ? alloc_vfsmnt+0xae/0x130 > > [15302.301123] [<c1147b0b>] vfs_kern_mount+0x4b/0xa0 > > [15302.301129] [<c1147bce>] do_kern_mount+0x3e/0xd0 > > [15302.301135] [<c1148ec8>] do_mount+0x308/0x6d0 > > [15302.301142] [<c11470b8>] ? copy_mount_options+0xa8/0x120 > > [15302.301148] [<c11492fb>] sys_mount+0x6b/0xa0 > > [15302.301154] [<c15393d4>] syscall_call+0x7/0xb > > [15302.301162] > > [15302.301165] Restarting tasks ... done. > > [15302.359593] video LNXVIDEO:00: Restoring backlight state > > [15303.897565] init: anacron main process (10434) killed by TERM signal > > [15304.088853] iwlwifi 0000:07:00.0: L1 Disabled; Enabling L0S > > [15304.091810] iwlwifi 0000:07:00.0: Radio type=0x1-0x2-0x0 > > [15304.139846] ADDRCONF(NETDEV_UP): wlan0: link is not ready > > [15304.153864] atl1c 0000:09:00.0: irq 46 for MSI/MSI-X > > [15304.212718] ADDRCONF(NETDEV_UP): eth0: link is not ready > > > > > > Marek > > > > Hi Marek, > > Thanks for the bug report. But this is a known issue and Jeff Layton > is working on a patchset that aims to fix it. > > http://www.spinics.net/lists/linux-nfs/msg25585.html > > Can you please try it out and see if it fixes the issue for you? > > [I am wondering why Jeff did not CC LKML while sending the patchset!] > > Adding relevant people and linux-pm mailing list to CC. > > Thanks, > Srivatsa S. Bhat > Sorry, it was an oversight -- I should have cc'ed LKML. At this point, the patchset seems to work as expected, but I need to respin it to flesh out the comments. Testing it would be helpful. I'll be sure to cc LKML when I send the respun set... Thanks, -- Jeff Layton <jlayton@...hat.com> -- 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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