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List:       fuse-devel
Subject:    [fuse-devel] BUG: Scheduling while atomic in fuse_notify_inval_entry
From:       Nikolaus Rath <Nikolaus () rath ! org>
Date:       2010-12-27 16:32:20
Message-ID: 8762ufqiqz.fsf () rath ! org
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Hello,

Am I right in blaming FUSE for this?

 BUG: scheduling while atomic: python/6728/0x10000001
 Modules linked in: ip6table_filter ip6_tables binfmt_misc vmnet vmblock vsock vmci vmmon ipt_M
 Pid: 6728, comm: python Not tainted 2.6.35-23-generic #41-Ubuntu
 Call Trace:
  [<c013eb32>] __schedule_bug+0x62/0x70
  [<c05c7700>] schedule+0x760/0x7a0
  [<c05c94ef>] ? _raw_spin_lock_irqsave+0x2f/0x50
  [<c01316e0>] ? gup_pte_range+0x100/0x170
  [<c05c7882>] _cond_resched+0x32/0x50
  [<c020c828>] kmem_cache_alloc_notrace+0x78/0xb0
  [<c0131795>] ? gup_pud_range+0x45/0x80
  [<c02ea58a>] ? fuse_notify_inval_entry+0x2a/0x1b0
  [<c02ea58a>] fuse_notify_inval_entry+0x2a/0x1b0
  [<f83b47fd>] ? i915_driver_irq_handler+0x21d/0x490 [i915]
  [<c02e872c>] ? fuse_copy_do+0x3c/0x70
  [<c02ea78b>] fuse_notify+0x7b/0xc0
  [<c02e8a7d>] ? fuse_copy_one+0x3d/0x50
  [<c02ea8cc>] fuse_dev_do_write+0xfc/0x320
  [...]

 
This is not reproducible at will, but happens several times a day. The
fuse_notify_inval_entr is always near the top of the call stack.


Known problem?

Best, 

   -Nikolaus

-- 
  »Time flies like an arrow, fruit flies like a Banana. «

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