The kernel is 2.6.16-rc5-mm2 plus a little bit. I've got `reboot -f' in
rc.local (don't ask) and after maybe 200 reboots I hit a USB oops.
SELinux: initialized (dev sysfs, type sysfs), uses genfs_contexts
audit(1141423827.626:3): policy loaded auid=4294967295
SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts
BUG: unable to handle kernel paging request at virtual address 44535955
printing eip:
*pde = 00000000
Oops: 0000 [#1]
last sysfs file: /class/firmware/0000:06:0b.0/loading
Modules linked in: nvram ohci1394 ipw2200 ide_cd ieee1394 cdrom ehci_hcd sg
uhci_hcd ieee80211 joydev ieee80211_crypt i2c_i801 i2c_core snd_hda_intel
snd_hda_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd piix soundcore
hw_random snd_page_alloc generic ext3 jbd ide_disk ide_core
CPU: 0
EIP: 0060:[<c0246d9f>] Not tainted VLI
EFLAGS: 00010246 (2.6.16-rc5-mm2 #273)
EIP is at choose_configuration+0x58/0x13a
eax: 000000d2 ebx: f7089000 ecx: 44535950 edx: 000001f4
esi: f76d4a00 edi: 00000001 ebp: 00000000 esp: f7e8bef8
ds: 007b es: 007b ss: 0068
Process khubd (pid: 114, threadinfo=f7e8b000 task=f7e89aa0)
Stack: <0>00000000 0000b000 f7089000 f7089000 00000000 00000001 c024700c
00000000
f7089000 c1cb41c0 c0248153 00000000 0000000a f76d8414 f77fb400 00000010
c1cb41c0 00000001 f77fb400 00000001 c02485aa 00000001 00000000 f76d8400
Call Trace:
<c024700c> usb_new_device+0x15a/0x1d0 <c0248153>
hub_port_connect_change+0x1ad/0x343
<c02485aa> hub_events+0x2c1/0x3f1 <c02486da> hub_thread+0x0/0xe6
<c02486e4> hub_thread+0xa/0xe6 <c0129a9a> autoremove_wake_function+0x0/0x2d
<c0129a9a> autoremove_wake_function+0x0/0x2d <c0129774> kthread+0x9c/0xa1
<c01296d8> kthread+0x0/0xa1 <c01012ed> kernel_thread_helper+0x5/0xb
<c01bd387> cfq_kick_queue+0x55/0x5f
Code: 00 58 39 fd c7 04 24 00 00 00 00 7d 53 0f b6 46 08 8b 8e 90 00 00 00 0f
b7 93 18 02 00 00 01 c0 83 c1 08 39 d0 7f 2e 85 ed 75 0a <80> 79 05 02 0f 84 bf
00 00 00 80 bb 7c 01 00 00 ff 74 0a 80 79
<7>ieee1394: Host added: ID:BUS[0-00:1023] GUID[0800460300efc55d]
ACPI: AC Adapter [ACAD] (on-line)
ACPI: Battery Slot [BAT1] (battery present)
ACPI: Lid Switch [LID0]
ACPI: Power Button (CM) [PWRB]
ibm_acpi: ec object not found
ACPI Sony Notebook Control Driver v0.2 successfully installed
The faulting line is here:
if (i == 0 && desc->bInterfaceClass == USB_CLASS_COMM
Note that the access address is ascii DSYU (actually UYSD), which doesn't
mean a lot to me.
offsetof(usb_interface_descriptor, bInterfaceClass)=5, so `desc' is
actually 0x44535950, which is DSYP (actually PYSD), which still doesn't
mean a lot.
Kernel is UP, CONFIG_PREEMPT_VOLUNTARY=Y, CONFIG_DEBUG_SLAB=n,
CONFIG_DEBUG_PAGE_ALLOC=n.
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