Public bug reported:
uname -a:
Linux quadrispro-msiu90 2.6.31-9-generic #29-Ubuntu SMP Sun Aug 30 17:39:23 UTC
2009 i686 GNU/Linux
cat /proc/version_signature:
Ubuntu 2.6.31-9.29-generic
lsusb:
Bus 001 Device 007: ID 19d2:0037 ONDA Communication S.p.A.
After disconnecting the usb serial modem mentioned above, the following
lines have been appeared:
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425261] BUG: unable to handle
kernel paging request at b10425df
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425289] IP: [<f87e50bd>]
usb_serial_disconnect+0xdd/0x160 [usbserial]
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425338] *pde = 00000000
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425356] Oops: 0000 [#1] SMP
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425374] last sysfs file:
/sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2/1-2:1.3/ttyUSB2/tty/ttyUSB2/uevent
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425393] Modules linked in:
ppp_async crc_ccitt option usbserial isofs udf crc_itu_t binfmt_misc ppdev lp
parport snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss
snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi
snd_seq_midi_event snd_seq snd_timer snd_seq_device snd psmouse soundcore
snd_page_alloc rtl8187se(C) serio_raw usb_storage r8169 mii dm_raid45 xor fbcon
tileblit font bitblit softcursor i915 drm i2c_algo_bit video output intel_agp
agpgart
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425625]
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425644] Pid: 265, comm: khubd
Tainted: G C (2.6.31-9-generic #29-Ubuntu) U-100
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425663] EIP: 0060:[<f87e50bd>]
EFLAGS: 00010246 CPU: 0
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425697] EIP is at
usb_serial_disconnect+0xdd/0x160 [usbserial]
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425715] EAX: f41d85a0 EBX:
f41d85d8 ECX: 00000000 EDX: b104257b
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425732] ESI: f41a741c EDI:
f41d85a0 EBP: f7225e20 ESP: f7225e00
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425749] DS: 007b ES: 007b FS:
00d8 GS: 00e0 SS: 0068
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425768] Process khubd (pid:
265, ti=f7224000 task=f70e9920 task.ti=f7224000)
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425781] Stack:
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425793] 00000003 f7225e20
c040b549 00000000 f41a7400 f41a7400 f41a741c f85662e0
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425837] <0> f7225e3c c040e5e9
00000000 f41b8c00 f41a741c f8566314 c076a4a0 f7225e4c
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425885] <0> c039d93e f41a7450
f41a741c f7225e5c c039da50 c076a4a0 f41a741c f7225e70
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425935] Call Trace:
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425965] [<c040b549>] ?
usb_disable_interface+0x39/0x50
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.425992] [<c040e5e9>] ?
usb_unbind_interface+0xe9/0x120
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426020] [<c039d93e>] ?
__device_release_driver+0x3e/0x90
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426044] [<c039da50>] ?
device_release_driver+0x20/0x40
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426067] [<c039cd93>] ?
bus_remove_device+0x73/0x90
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426090] [<c039b4ff>] ?
device_del+0xef/0x150
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426114] [<c040b49d>] ?
usb_disable_device+0x7d/0xf0
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426138] [<c04060ee>] ?
usb_disconnect+0x9e/0x110
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426162] [<c040649d>] ?
hub_port_connect_change+0x7d/0x830
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426187] [<c040c170>] ?
usb_control_msg+0xd0/0x120
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426213] [<c0400100>] ?
mmc_ioctl_cdrom_subchannel+0xd0/0x160
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426237] [<c0407d05>] ?
hub_events+0x1f5/0x500
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426261] [<c056675c>] ?
schedule+0x40c/0x730
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426286] [<c0157a8a>] ?
finish_wait+0x4a/0x70
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426309] [<c0408010>] ?
hub_thread+0x0/0x150
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426331] [<c0408045>] ?
hub_thread+0x35/0x150
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426353] [<c0157930>] ?
autoremove_wake_function+0x0/0x40
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426375] [<c015763c>] ?
kthread+0x7c/0x90
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426397] [<c01575c0>] ?
kthread+0x0/0x90
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426421] [<c0103f17>] ?
kernel_thread_helper+0x7/0x10
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426434] Code: 01 c7 83 94 01
00 00 03 00 00 00 e8 6e 63 bb c7 c7 83 94 01 00 00 00 00 00 00 0f b6 47 0e 39
f0 7f 87 8d 74 26 00 8b 57 04 89 f8 <ff> 52 64 89 f8 e8 b9 fd ff ff 8b 45 f0 8b
58 24 83 c0 1c e8 4b
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426685] EIP: [<f87e50bd>]
usb_serial_disconnect+0xdd/0x160 [usbserial] SS:ESP 0068:f7225e00
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426733] CR2: 00000000b10425df
Sep 2 10:53:09 quadrispro-msiu90 kernel: [ 334.426749] ---[ end trace
48afc80066c48479 ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Problem while disconnecting ONDA MT503HSA (HSDPA USB serial modem)
https://bugs.launchpad.net/bugs/423064
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