Public bug reported:
O am using a ZTE Modem USB stick (model: MF 110).
When I connect it and I see in gnome (in the network options - "mobile
broadband") and I click to connect, the computer hangs. This doesn't happens
everytime but around every 1 of 10 new connections.
I have look in /var/log/messages (after reboot) and with a single exception I
didn't saw any usefull messages. Fortunately, today I noticed that there was a
delay since I connected until the hang and I saw this in /var/log/messages:
Mar 8 21:50:57 lptpub kernel: [14607.122728] usb 2-1.2: USB disconnect,
address 8
Mar 8 21:50:57 lptpub kernel: [14607.125905] cdc_ether 2-1.2:3.8: usb0:
unregister 'cdc_ether' usb-0000:00:1d.0-1.2, CDC Ethernet Device
Mar 8 21:50:57 lptpub kernel: [14607.130850] *pde = baa45067
Mar 8 21:50:57 lptpub kernel: [14607.130870] Modules linked in: cdc_ether
usbnet cdc_wdm cdc_acm nls_iso8859_1 nls_cp437 vfat fat ppp_deflate
zlib_deflate bsd_comp ppp_async crc_ccitt option usb_wwan usbserial binfmt_misc
vboxnetadp vboxnetflt vboxdrv parport_pc ppdev joydev snd_hda_codec_intelhdmi
snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_seq_midi ath9k uvcvideo snd_rawmidi videodev v4l1_compat snd_seq_midi_event
ath9k_common ath9k_hw snd_seq ath mac80211 snd_timer snd_seq_device cfg80211
intel_ips snd psmouse serio_raw soundcore snd_page_alloc fujitsu_laptop
led_class lp parport sha256_generic aes_i586 aes_generic dm_crypt usb_storage
i915 drm_kms_helper drm ahci intel_agp r8169 i2c_algo_bit video libahci agpgart
output mii
Mar 8 21:50:57 lptpub kernel: [14607.130986]
Mar 8 21:50:57 lptpub kernel: [14607.130994] Pid: 15, comm: events/0 Not
tainted 2.6.35-25-generic #44-Ubuntu FJNBB06/LIFEBOOK AH530
Mar 8 21:50:57 lptpub kernel: [14607.131001] EIP: 0060:[<c012ce88>] EFLAGS:
00010092 CPU: 0
Mar 8 21:50:57 lptpub kernel: [14607.131009] EIP is at
__ticket_spin_lock+0x8/0x20
Mar 8 21:50:57 lptpub kernel: [14607.131014] EAX: 00000014 EBX: 00000292 ECX:
00000014 EDX: 00000100
Mar 8 21:50:57 lptpub kernel: [14607.131021] ESI: 00000014 EDI: e5a83000 EBP:
f70e9ee8 ESP: f70e9ee8
Mar 8 21:50:57 lptpub kernel: [14607.131028] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Mar 8 21:50:57 lptpub kernel: [14607.131044] f70e9ef0 c012cf18 f70e9f04
c05ca0cf 0000000c 00000014 e5a83000 f70e9f1c
Mar 8 21:50:57 lptpub kernel: [14607.131059] <0> c03e1220 f70e9f14 00000000
00000000 e5a83000 f70e9f28 fe86c697 ffffffff
Mar 8 21:50:57 lptpub kernel: [14607.131075] <0> f70e9f50 c03d85ae 00000000
00000000 00000000 e5a83040 00000001 e5a8312c
Mar 8 21:50:57 lptpub kernel: [14607.131103] [<c012cf18>] ?
default_spin_lock_flags+0x8/0x10
Mar 8 21:50:57 lptpub kernel: [14607.131115] [<c05ca0cf>] ?
_raw_spin_lock_irqsave+0x2f/0x50
Mar 8 21:50:57 lptpub kernel: [14607.131126] [<c03e1220>] ?
tty_port_hangup+0x20/0xa0
Mar 8 21:50:57 lptpub kernel: [14607.131137] [<fe86c697>] ?
acm_tty_hangup+0x17/0x24 [cdc_acm]
Mar 8 21:50:57 lptpub kernel: [14607.131149] [<c03d85ae>] ?
do_tty_hangup+0xde/0x370
Mar 8 21:50:57 lptpub kernel: [14607.131162] [<c0161b3e>] ?
run_workqueue+0x8e/0x150
Mar 8 21:50:57 lptpub kernel: [14607.131170] [<c03d84d0>] ?
do_tty_hangup+0x0/0x370
Mar 8 21:50:57 lptpub kernel: [14607.131176] [<c0161c84>] ?
worker_thread+0x84/0xe0
Mar 8 21:50:57 lptpub kernel: [14607.131182] [<c0165f00>] ?
autoremove_wake_function+0x0/0x50
Mar 8 21:50:57 lptpub kernel: [14607.131188] [<c0161c00>] ?
worker_thread+0x0/0xe0
Mar 8 21:50:57 lptpub kernel: [14607.131192] [<c0165ad4>] ? kthread+0x74/0x80
Mar 8 21:50:57 lptpub kernel: [14607.131197] [<c0165a60>] ? kthread+0x0/0x80
Mar 8 21:50:57 lptpub kernel: [14607.131204] [<c010363e>] ?
kernel_thread_helper+0x6/0x10
Mar 8 21:50:57 lptpub kernel: [14607.131271] ---[ end trace 38bdf1642fc0edc4
]---
If there is desired other information, I will prodvide.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-25-generic 2.6.35-25.44
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: nop 1912 F.... pulseaudio
/dev/snd/pcmC0D0p: nop 1912 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0700000 irq 47'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:10ec0269,10cf0200,00100004
HDA:80862804,80860101,00100000'
Controls : 20
Simple ctrls : 9
Date: Tue Mar 8 22:06:42 2011
HibernationDevice: RESUME=UUID=f38a7f91-9c8c-42a2-bb78-503c986bbb32
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: FUJITSU LIFEBOOK AH530
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-25-generic
root=/dev/mapper/hostname-root ro quiet splash
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
SourcePackage: linux
dmi.bios.date: 08/19/2010
dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd.
dmi.bios.version: Version 1.16
dmi.board.name: FJNBB06
dmi.board.vendor: FUJITSU
dmi.chassis.type: 10
dmi.chassis.vendor: FUJITSU
dmi.modalias:
dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvrVersion1.16:bd08/19/2010:svnFUJITSU:pnLIFEBOOKAH530:pvr:rvnFUJITSU:rnFJNBB06:rvr:cvnFUJITSU:ct10:cvr:
dmi.product.name: LIFEBOOK AH530
dmi.sys.vendor: FUJITSU
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: apport-bug i386 kernel-net maverick needs-upstream-testing
regression-potential
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https://bugs.launchpad.net/bugs/731569
Title:
Computer crash on connecting GSM modem on Ubuntu 10.10
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