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Date: Mon, 6 Jun 2011 14:31:13 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: linux-ext4@...r.kernel.org Cc: bugzilla-daemon@...zilla.kernel.org, bugme-daemon@...zilla.kernel.org, jwrdegoede@...oraproject.org Subject: Re: [Bugme-new] [Bug 36202] New: sleeping function called from invalid context (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Mon, 30 May 2011 08:07:36 GMT bugzilla-daemon@...zilla.kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=36202 > > Summary: sleeping function called from invalid context > Product: Memory Management > Version: 2.5 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: akpm@...ux-foundation.org > ReportedBy: jwrdegoede@...oraproject.org > Regression: No > > > Lately I've got several backtraces related to "sleeping function called from > invalid context", this happens with both fedora provided kernels, both: > 2.6.39-0.rc7.git6.1.fc16.x86_64 and 2.6.39-1.fc16.x86_64. I'll copy paste one > backtrace per comment here to keep the begin / start of each trace clearly > separated. First a bunch of backtraces from 2.6.39-0.rc7.git6.1.fc16.x86_64, > starting with: Every oops trace in that bugzilla report has been wordwrapped, which makes them fantastically hard to read. Please use attachments in bugzilla. I fixed up the first one. I think it's fingering ext4, calling into the BIO layer with IRQs disabled. May 23 11:24:47 shalem kernel: [ 4156.296806] BUG: sleeping function called from invalid context at kernel/cpuset.c:2352 May 23 11:24:47 shalem kernel: [ 4156.296812] in_atomic(): 0, irqs_disabled(): 1, pid: 1007, name: flush-8:16 May 23 11:24:47 shalem kernel: [ 4156.296815] Pid: 1007, comm: flush-8:16 Not tainted 2.6.39-0.rc7.git6.1.fc16.x86_64 #1 May 23 11:24:47 shalem kernel: [ 4156.296817] Call Trace: May 23 11:24:47 shalem kernel: [ 4156.296833] [<ffffffff81046920>] __might_sleep+0xeb/0xf0 May 23 11:24:47 shalem kernel: [ 4156.296839] [<ffffffff81096752>] __cpuset_node_allowed_softwall+0x5e/0x122 May 23 11:24:47 shalem kernel: [ 4156.296843] [<ffffffff810dc778>] get_page_from_freelist+0x144/0x64e May 23 11:24:47 shalem kernel: [ 4156.296846] [<ffffffff810dc9e6>] ? get_page_from_freelist+0x3b2/0x64e May 23 11:24:47 shalem kernel: [ 4156.296848] [<ffffffff810dcfdc>] __alloc_pages_nodemask+0x35a/0x7ef May 23 11:24:47 shalem kernel: [ 4156.296855] [<ffffffff8110725a>] alloc_pages_current+0xbe/0xd8 May 23 11:24:47 shalem kernel: [ 4156.296859] [<ffffffff8110e587>] alloc_slab_page+0x1c/0x4d May 23 11:24:47 shalem kernel: [ 4156.296861] [<ffffffff8110fc31>] new_slab+0x4f/0x197 May 23 11:24:47 shalem kernel: [ 4156.296867] [<ffffffff81475be6>] __slab_alloc+0x269/0x350 May 23 11:24:47 shalem kernel: [ 4156.296872] [<ffffffff810d8365>] ? mempool_alloc_slab+0x15/0x17 May 23 11:24:47 shalem kernel: [ 4156.296874] [<ffffffff810d8365>] ? mempool_alloc_slab+0x15/0x17 May 23 11:24:47 shalem kernel: [ 4156.296876] [<ffffffff81110442>] kmem_cache_alloc+0x6e/0x10a May 23 11:24:47 shalem kernel: [ 4156.296879] [<ffffffff810d8365>] mempool_alloc_slab+0x15/0x17 May 23 11:24:47 shalem kernel: [ 4156.296881] [<ffffffff810d85da>] mempool_alloc+0x68/0x116 May 23 11:24:47 shalem kernel: [ 4156.296885] [<ffffffff812fb125>] ? scsi_pool_alloc_command+0x43/0x68 May 23 11:24:47 shalem kernel: [ 4156.296888] [<ffffffff81301f11>] scsi_sg_alloc+0x2d/0x2f May 23 11:24:47 shalem kernel: [ 4156.296893] [<ffffffff81237b7f>] __sg_alloc_table+0x63/0x11c May 23 11:24:47 shalem kernel: [ 4156.296895] [<ffffffff81301ee4>] ? scsi_sg_free+0x2f/0x2f May 23 11:24:47 shalem kernel: [ 4156.296897] [<ffffffff81301f3d>] scsi_alloc_sgtable+0x2a/0x4f May 23 11:24:47 shalem kernel: [ 4156.296899] [<ffffffff81301f83>] scsi_init_sgtable+0x21/0x61 May 23 11:24:47 shalem kernel: [ 4156.296901] [<ffffffff81301ff5>] scsi_init_io+0x32/0x13b May 23 11:24:47 shalem kernel: [ 4156.296904] [<ffffffff81302204>] scsi_setup_fs_cmnd+0x87/0x8c May 23 11:24:47 shalem kernel: [ 4156.296908] [<ffffffff8130acac>] sd_prep_fn+0x301/0xbf3 May 23 11:24:47 shalem kernel: [ 4156.296915] [<ffffffff812285be>] ? cfq_dispatch_requests+0x753/0x8c2 May 23 11:24:47 shalem kernel: [ 4156.296918] [<ffffffff8121a0f9>] blk_peek_request+0xdb/0x17b May 23 11:24:47 shalem kernel: [ 4156.296920] [<ffffffff81301af3>] scsi_request_fn+0x7d/0x409 May 23 11:24:47 shalem kernel: [ 4156.296925] [<ffffffff81214e1b>] __blk_run_queue+0x1b/0x1d May 23 11:24:47 shalem kernel: [ 4156.296927] [<ffffffff8121a532>] __make_request+0x29b/0x2b8 May 23 11:24:47 shalem kernel: [ 4156.296930] [<ffffffff81219118>] generic_make_request+0x2a9/0x323 May 23 11:24:47 shalem kernel: [ 4156.296935] [<ffffffff811471bc>] ? bvec_alloc_bs+0xae/0xcc May 23 11:24:47 shalem kernel: [ 4156.296938] [<ffffffff81110442>] ? kmem_cache_alloc+0x6e/0x10a May 23 11:24:47 shalem kernel: [ 4156.296940] [<ffffffff81219270>] submit_bio+0xde/0xfd May 23 11:24:47 shalem kernel: [ 4156.296944] [<ffffffff810eb5b1>] ? inc_zone_page_state+0x27/0x29 May 23 11:24:47 shalem kernel: [ 4156.296947] [<ffffffff810dd6c1>] ? account_page_writeback+0x25/0x29 May 23 11:24:47 shalem kernel: [ 4156.296950] [<ffffffff81230038>] ? radix_tree_gang_lookup_slot+0x66/0x87 May 23 11:24:47 shalem kernel: [ 4156.296953] [<ffffffff8119b1d8>] ext4_io_submit+0x2c/0x58 May 23 11:24:47 shalem kernel: [ 4156.296955] [<ffffffff8119b380>] ext4_bio_write_page+0x17c/0x320 May 23 11:24:47 shalem kernel: [ 4156.296958] [<ffffffff81196432>] mpage_da_submit_io+0x306/0x389 May 23 11:24:47 shalem kernel: [ 4156.296961] [<ffffffff81199e44>] mpage_da_map_and_submit+0x2b7/0x2cd May 23 11:24:47 shalem kernel: [ 4156.296963] [<ffffffff81199f28>] mpage_add_bh_to_extent+0xce/0xdd May 23 11:24:47 shalem kernel: [ 4156.296965] [<ffffffff8103fdbb>] ? should_resched+0xe/0x2d May 23 11:24:47 shalem kernel: [ 4156.296967] [<ffffffff8119a177>] write_cache_pages_da+0x240/0x325 May 23 11:24:47 shalem kernel: [ 4156.296969] [<ffffffff8119a502>] ext4_da_writepages+0x2a6/0x44d May 23 11:24:47 shalem kernel: [ 4156.296972] [<ffffffff810de978>] do_writepages+0x21/0x2a May 23 11:24:47 shalem kernel: [ 4156.296976] [<ffffffff8113ddff>] writeback_single_inode+0xb2/0x1bc May 23 11:24:47 shalem kernel: [ 4156.296978] [<ffffffff8113e14b>] writeback_sb_inodes+0xcd/0x161 May 23 11:24:47 shalem kernel: [ 4156.296980] [<ffffffff8113e64f>] writeback_inodes_wb+0x119/0x12b May 23 11:24:47 shalem kernel: [ 4156.296982] [<ffffffff8113e84f>] wb_writeback+0x1ee/0x335 May 23 11:24:47 shalem kernel: [ 4156.296985] [<ffffffff81080d17>] ? arch_local_irq_save+0x15/0x1b May 23 11:24:47 shalem kernel: [ 4156.296989] [<ffffffff8147beb2>] ? _raw_spin_lock_irqsave+0x12/0x2f May 23 11:24:47 shalem kernel: [ 4156.296991] [<ffffffff8113ea1c>] wb_do_writeback+0x86/0x19d May 23 11:24:47 shalem kernel: [ 4156.296995] [<ffffffff81060268>] ? del_timer+0x7a/0x7a May 23 11:24:47 shalem kernel: [ 4156.296998] [<ffffffff8113ebbb>] bdi_writeback_thread+0x88/0x1e5 May 23 11:24:47 shalem kernel: [ 4156.297000] [<ffffffff8113eb33>] ? wb_do_writeback+0x19d/0x19d May 23 11:24:47 shalem kernel: [ 4156.297004] [<ffffffff8106e287>] kthread+0x84/0x8c May 23 11:24:47 shalem kernel: [ 4156.297008] [<ffffffff814837a4>] kernel_thread_helper+0x4/0x10 May 23 11:24:47 shalem kernel: [ 4156.297010] [<ffffffff8106e203>] ? kthread_worker_fn+0x148/0x148 May 23 11:24:47 shalem kernel: [ 4156.297012] [<ffffffff814837a0>] ? gs_change+0x13/0x13 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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