linux-kernel - BUG: scheduling while atomic: events/0/0x00000001/4, etc..

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Date:	Thu, 2 Nov 2006 19:25:01 +0100
From:	Paolo Ornati <ornati@...twebnet.it>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: BUG: scheduling while atomic: events/0/0x00000001/4, etc..

kernel: 2.6.19-rc4-g4b1c46a3

Today I've got these 2 type of messages in kernel log:

1)

 BUG: scheduling while atomic: events/0/0x00000001/4

 Call Trace:
  [<ffffffff8049fafb>] __sched_text_start+0x5b/0x4cc
  [<ffffffff802f34b6>] list_add+0xc/0xe
  [<ffffffff80236519>] worker_thread+0x0/0x11b
  [<ffffffff802365ce>] worker_thread+0xb5/0x11b
  [<ffffffff802233e2>] default_wake_function+0x0/0xf
  [<ffffffff80236519>] worker_thread+0x0/0x11b
  [<ffffffff80239269>] kthread+0xce/0x101
  [<ffffffff802234b1>] schedule_tail+0x30/0xa2
  [<ffffffff8020a238>] child_rip+0xa/0x12
  [<ffffffff8023919b>] kthread+0x0/0x101
  [<ffffffff8020a22e>] child_rip+0x0/0x12


2)

 BUG: sleeping function called from invalid context at include/asm/semaphore.h:105
 in_atomic():1, irqs_disabled():0

 Call Trace:
  [<ffffffff8049ff6c>] thread_return+0x0/0xf9
  [<ffffffff802226ae>] __might_sleep+0xb2/0xb4
  [<ffffffff8022749a>] acquire_console_sem+0x66/0x90
  [<ffffffff80358086>] console_callback+0xe/0xde
  [<ffffffff80235fce>] run_workqueue+0xb6/0x126
  [<ffffffff80236519>] worker_thread+0x0/0x11b
  [<ffffffff802365ff>] worker_thread+0xe6/0x11b
  [<ffffffff802233e2>] default_wake_function+0x0/0xf
  [<ffffffff80236519>] worker_thread+0x0/0x11b
  [<ffffffff80239269>] kthread+0xce/0x101
  [<ffffffff802234b1>] schedule_tail+0x30/0xa2
  [<ffffffff8020a238>] child_rip+0xa/0x12
  [<ffffffff8023919b>] kthread+0x0/0x101
  [<ffffffff8020a22e>] child_rip+0x0/0x12

---------------------------------------

They repeated themself every few senconds and when I noticed I was
unable to get the full log because of log rotation...

Attached:
	config
	normal dmesg
	first 1000 lines of log

-- 
	Paolo Ornati
	Linux 2.6.19-rc4-g4b1c46a3 on x86_64

Download attachment "config.txt.gz" of type "application/x-gzip" (9067 bytes)

Download attachment "dmesg.txt.gz" of type "application/x-gzip" (6570 bytes)

Download attachment "log.txt.gz" of type "application/x-gzip" (5347 bytes)