Date:	Thu, 20 Sep 2007 21:20:24 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: 2.6.23-rc6-mm1

Another data point. When booting into runlevel 3, the system is usable,
although these messages still appear after boot:

<4>[   22.731025] sysfs: duplicate filename 'bInterfaceNumber' can not be created
<4>[   22.735872] WARNING: at fs/sysfs/dir.c:433 sysfs_add_one()
<7>[   22.740737] bas_gigaset: <-------3: 0x11 (0 [0x00 0x00])
<4>[   22.740881]  [dump_trace+100/498] dump_trace+0x64/0x1f2
<7>[   22.745708] bas_gigaset: <-------3: 0x11 (0 [0x00 0x00])
<4>[   22.745721]  [show_trace_log_lvl+26/47] show_trace_log_lvl+0x1a/0x2f
<4>[   22.750533]  [show_trace+18/20] show_trace+0x12/0x14
<4>[   22.755285]  [dump_stack+22/24] dump_stack+0x16/0x18
<4>[   22.759997]  [sysfs_add_one+87/188] sysfs_add_one+0x57/0xbc
<4>[   22.764633]  [sysfs_add_file+73/135] sysfs_add_file+0x49/0x87
<4>[   22.769418]  [sysfs_create_group+138/240] sysfs_create_group+0x8a/0xf0
<4>[   22.774014]  [<fa99c20a>] usb_create_sysfs_intf_files+0x2d/0xa2 [usbcore]
<4>[   22.778659]  [<fa9989ed>] usb_set_configuration+0x450/0x48d [usbcore]
<4>[   22.783246]  [<fa99fa9b>] generic_probe+0x53/0x94 [usbcore]
<4>[   22.787895]  [<fa99a00b>] usb_probe_device+0x35/0x3b [usbcore]
<4>[   22.792471]  [driver_probe_device+233/362] driver_probe_device+0xe9/0x16a
<4>[   22.797214]  [__device_attach+8/10] __device_attach+0x8/0xa
<4>[   22.801779]  [bus_for_each_drv+56/97] bus_for_each_drv+0x38/0x61
<4>[   22.806344]  [device_attach+112/133] device_attach+0x70/0x85
<4>[   22.810905]  [bus_attach_device+41/119] bus_attach_device+0x29/0x77
<4>[   22.815468]  [device_add+795/1342] device_add+0x31b/0x53e
<4>[   22.820052]  [<fa993de7>] usb_new_device+0x5c/0x168 [usbcore]
<4>[   22.824653]  [<fa9954f9>] hub_thread+0x6b9/0xaa5 [usbcore]
<4>[   22.829276]  [kthread+59/100] kthread+0x3b/0x64
<4>[   22.833823]  [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
<4>[   22.838409]  =======================

and a bit later:

Sep 20 20:54:36 xenon kernel: [   39.581898] hwinfo[5185]: segfault at b7cf9f10 eip b7cf9f10 esp bfefe20c error 4
Sep 20 20:54:36 xenon kernel: [   39.586320] BUG: sleeping function called from invalid context at kernel/rwsem.c:47
Sep 20 20:54:36 xenon kernel: [   39.590697] in_atomic():1, irqs_disabled():0
Sep 20 20:54:36 xenon kernel: [   39.594987] no locks held by hwinfo/5185.
Sep 20 20:54:36 xenon kernel: [   39.599281]  [<c0108441>] dump_trace+0x64/0x1f2
Sep 20 20:54:36 xenon kernel: [   39.603577]  [<c01085e9>] show_trace_log_lvl+0x1a/0x2f
Sep 20 20:54:36 xenon kernel: [   39.607851]  [<c010902b>] show_trace+0x12/0x14
Sep 20 20:54:36 xenon kernel: [   39.612060]  [<c0109154>] dump_stack+0x16/0x18
Sep 20 20:54:36 xenon kernel: [   39.616305]  [<c0123ecd>] __might_sleep+0xe5/0xeb
Sep 20 20:54:36 xenon kernel: [   39.620545]  [<c013f72d>] down_write+0x18/0x54
Sep 20 20:54:36 xenon kernel: [   39.624777]  [<c01890d7>] do_coredump+0x94/0x77d
Sep 20 20:54:36 xenon kernel: [   39.629004]  [<c0135295>] get_signal_to_deliver+0x408/0x434
Sep 20 20:54:36 xenon kernel: [   39.633252]  [<c010673a>] do_notify_resume+0x94/0x6a6
Sep 20 20:54:36 xenon kernel: [   39.637554]  [<c01072e5>] work_notifysig+0x13/0x1a
Sep 20 20:54:36 xenon kernel: [   39.641854]  [<b7cf9f10>] 0xb7cf9f10
Sep 20 20:54:36 xenon kernel: [   39.646180]  =======================
Sep 20 20:54:36 xenon kernel: [   39.650407] note: hwinfo[5185] exited with preempt_count 1
Sep 20 20:54:36 xenon kernel: [   39.654553] BUG: scheduling while atomic: hwinfo/5185/0x10000002
Sep 20 20:54:36 xenon kernel: [   39.658714] no locks held by hwinfo/5185.
Sep 20 20:54:36 xenon kernel: [   39.662847]  [<c0108441>] dump_trace+0x64/0x1f2
Sep 20 20:54:36 xenon kernel: [   39.666980]  [<c01085e9>] show_trace_log_lvl+0x1a/0x2f
Sep 20 20:54:36 xenon kernel: [   39.671118]  [<c010902b>] show_trace+0x12/0x14
Sep 20 20:54:36 xenon kernel: [   39.675397]  [<c0109154>] dump_stack+0x16/0x18
Sep 20 20:54:36 xenon kernel: [   39.679509]  [<c012605c>] __schedule_bug+0x6e/0x75
Sep 20 20:54:36 xenon kernel: [   39.683659]  [<c030fd4b>] __sched_text_start+0x83/0x59e
Sep 20 20:54:36 xenon kernel: [   39.687720]  [<c0126084>] __cond_resched+0x21/0x3b
Sep 20 20:54:36 xenon kernel: [   39.691751]  [<c031072b>] cond_resched+0x26/0x31
Sep 20 20:54:36 xenon kernel: [   39.695678]  [<c017059a>] unmap_vmas+0x461/0x580
Sep 20 20:54:36 xenon kernel: [   39.699572]  [<c017351b>] exit_mmap+0x7f/0x10f
Sep 20 20:54:36 xenon kernel: [   39.703471]  [<c012807b>] mmput+0x4d/0xcb
Sep 20 20:54:36 xenon kernel: [   39.707318]  [<c012bea5>] exit_mm+0xd7/0xdc
Sep 20 20:54:36 xenon kernel: [   39.711140]  [<c012d3bb>] do_exit+0x224/0x76b
Sep 20 20:54:36 xenon kernel: [   39.711147]  [<c012d972>] sys_exit_group+0x0/0x11
Sep 20 20:54:36 xenon kernel: [   39.711153]  [<c013529c>] get_signal_to_deliver+0x40f/0x434
Sep 20 20:54:36 xenon kernel: [   39.711158]  [<c010673a>] do_notify_resume+0x94/0x6a6
Sep 20 20:54:36 xenon kernel: [   39.711163]  [<c01072e5>] work_notifysig+0x13/0x1a
Sep 20 20:54:36 xenon kernel: [   39.711169]  [<b7cf9f10>] 0xb7cf9f10
Sep 20 20:54:36 xenon kernel: [   39.711175]  =======================

As this seems to concern USB and sysfs, I guess Greg's the man?

HTH
T.

-- 
Tilman Schmidt                          E-Mail: tilman@...p.cc
Bonn, Germany
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