linux-kernel - BUG: scheduling while atomic: swapper/1/0x00000002 in 2.6.27-rc1-tip

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Message-ID: <3f9a31f40808052015n400ef4d3p19f11a7e57084371@mail.gmail.com>
Date:	Wed, 6 Aug 2008 08:45:21 +0530
From:	"Jaswinder Singh" <jaswinderlinux@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: BUG: scheduling while atomic: swapper/1/0x00000002 in 2.6.27-rc1-tip

Hello Ingo,

I am getting this while booting :

hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
BUG: scheduling while atomic: swapper/1/0x00000002
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.27-rc1-tip #13
 [<c03ab719>] schedule+0xa9/0x68a
 [<c01e7dff>] idr_get_empty_slot+0x13b/0x1e5
 [<c01e7dff>] idr_get_empty_slot+0x13b/0x1e5
 [<c03abe38>] schedule_timeout+0x13/0x99
 [<c01170db>] __wake_up+0x29/0x39
 [<c03ab5b9>] wait_for_common+0xab/0x105
 [<c0119cb7>] default_wake_function+0x0/0x8
 [<c0129d8d>] call_usermodehelper_exec+0x62/0xa2
 [<c01e905c>] kobject_uevent_env+0x2d4/0x308
 [<c0264418>] device_add+0x3ab/0x4e6
 [<c02645db>] device_create_vargs+0x78/0x99
 [<c026461a>] device_create+0x1e/0x24
 [<c023df7d>] misc_register+0xb4/0xef
 [<c010f696>] microcode_init+0x2a/0xb0
 [<c010103a>] _stext+0x3a/0x12a
 [<c04cb47e>] microcode_intel_module_init+0x0/0x35
 [<c0119cae>] try_to_wake_up+0x154/0x15d
 [<c012a402>] __create_workqueue_key+0xcf/0x1c1
 [<c04c0627>] kernel_init+0x177/0x1db
 [<c04c04b0>] kernel_init+0x0/0x1db
 [<c0103923>] kernel_thread_helper+0x7/0x10
 =======================
BUG: scheduling while atomic: swapper/1/0x00000002
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.27-rc1-tip #13
 [<c03ab719>] schedule+0xa9/0x68a
 [<c01e7dff>] idr_get_empty_slot+0x13b/0x1e5
 [<c03abe38>] schedule_timeout+0x13/0x99
 [<c01170db>] __wake_up+0x29/0x39
 [<c03ab5b9>] wait_for_common+0xab/0x105
 [<c0119cb7>] default_wake_function+0x0/0x8
 [<c0129d8d>] call_usermodehelper_exec+0x62/0xa2
 [<c01e905c>] kobject_uevent_env+0x2d4/0x308
 [<c0264418>] device_add+0x3ab/0x4e6
 [<c01eb2d0>] strlcpy+0x11/0x3d
 [<c02665b4>] platform_device_add+0xc9/0xf7
 [<c026673c>] platform_device_register_simple+0x34/0x4a
 [<c010f70c>] microcode_init+0xa0/0xb0
 [<c010103a>] _stext+0x3a/0x12a
 [<c04cb47e>] microcode_intel_module_init+0x0/0x35
 [<c0119cae>] try_to_wake_up+0x154/0x15d
 [<c012a402>] __create_workqueue_key+0xcf/0x1c1
 [<c04c0627>] kernel_init+0x177/0x1db
 [<c04c04b0>] kernel_init+0x0/0x1db
 [<c0103923>] kernel_thread_helper+0x7/0x10
 =======================
Microcode Update Driver: v2.00 <tigran@...azian.fsnet.co.uk>
<peter.oruba@....com>
initcall microcode_intel_module_init+0x0/0x35 returned with preemption
imbalance
highmem bounce pool size: 64 pages


Attaching config for reference.

Thank you,

Jaswinder Singh.

Download attachment "config-tip" of type "application/octet-stream" (47948 bytes)