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Message #45971
[Bug 1281298] Re: kernel oops when unplugging usbdux
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1281298
Title:
kernel oops when unplugging usbdux
Status in “linux” package in Ubuntu:
Triaged
Bug description:
This is a bug which has been fixed upstream:
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-
stable.git/commit/drivers/staging/comedi?id=52ef9e7cb317fcb7f8b63f1bec7271e40341ce98
[ 594.994904] Call Trace:
[ 594.994920] [<ffffffff81709bd5>] dump_stack+0x45/0x56
[ 594.994931] [<ffffffff8106450d>] warn_slowpath_common+0x7d/0xa0
[ 594.994938] [<ffffffff8106457c>] warn_slowpath_fmt+0x4c/0x50
[ 594.994946] [<ffffffff8122eade>] ? sysfs_get_dirent_ns+0x4e/0x70
[ 594.994953] [<ffffffff8122fdb6>] sysfs_remove_group+0xc6/0xd0
[ 594.994961] [<ffffffff81489d33>] dpm_sysfs_remove+0x43/0x50
[ 594.994970] [<ffffffff8147f765>] device_del+0x45/0x1c0
[ 594.994976] [<ffffffff8147f8fe>] device_unregister+0x1e/0x60
[ 594.994982] [<ffffffff8147f9bc>] device_destroy+0x3c/0x50
[ 594.994999] [<ffffffffa042e525>] comedi_free_subdevice_minor+0x75/0xa0 [comedi]
[ 594.995011] [<ffffffffa042ef68>] comedi_device_detach+0x48/0x160 [comedi]
[ 594.995020] [<ffffffffa042b2b3>] comedi_device_cleanup+0x33/0x90 [comedi]
[ 594.995029] [<ffffffffa042b346>] comedi_free_board_dev+0x36/0x50 [comedi]
[ 594.995038] [<ffffffffa042e3b0>] comedi_release_hardware_device+0x80/0x90 [comedi]
[ 594.995048] [<ffffffffa042ea63>] comedi_auto_unconfig+0x13/0x20 [comedi]
[ 594.995059] [<ffffffffa0430112>] comedi_usb_auto_unconfig+0x12/0x20 [comedi]
[ 594.995067] [<ffffffff81536bb4>] usb_unbind_interface+0x64/0x1c0
[ 594.995075] [<ffffffff8148347f>] __device_release_driver+0x7f/0xf0
[ 594.995081] [<ffffffff81483513>] device_release_driver+0x23/0x30
[ 594.995087] [<ffffffff81482d98>] bus_remove_device+0x108/0x180
[ 594.995093] [<ffffffff8147f849>] device_del+0x129/0x1c0
[ 594.995100] [<ffffffff81534590>] usb_disable_device+0xb0/0x290
[ 594.995108] [<ffffffff8152914d>] usb_disconnect+0xad/0x200
[ 594.995115] [<ffffffff8152bb95>] hub_port_connect_change+0xd5/0xb50
[ 594.995121] [<ffffffff81532f94>] ? usb_control_msg+0xd4/0x110
[ 594.995128] [<ffffffff8152cad4>] hub_events+0x4c4/0xa20
[ 594.995135] [<ffffffff8152d065>] hub_thread+0x35/0x160
[ 594.995144] [<ffffffff810a8940>] ? prepare_to_wait_event+0x100/0x100
[ 594.995151] [<ffffffff8152d030>] ? hub_events+0xa20/0xa20
[ 594.995159] [<ffffffff810880f2>] kthread+0xd2/0xf0
[ 594.995165] [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
[ 594.995174] [<ffffffff8171a4fc>] ret_from_fork+0x7c/0xb0
[ 594.995181] [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
[ 594.995186] ---[ end trace 45b9c5978e289ccb ]---
It would be probably very benefical to commit all bug fixes from the
latest linux stable for the comedi branch. In order to get this moved
to the normal driver tree loads of tidying up has happend last year
which inevitably has lead to new bugs which we sorted in Jan and are
now in the latest stable kernel.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-8-generic 3.13.0-8.28
ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
ApportVersion: 2.13.2-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: bp1 1405 F.... pulseaudio
/dev/snd/controlC0: bp1 1405 F.... pulseaudio
Date: Mon Feb 17 21:03:38 2014
HibernationDevice: RESUME=UUID=b6911a72-ca8c-451f-980b-5f16df4e94f3
InstallationDate: Installed on 2013-12-09 (69 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131209)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. Dimension 9100
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-8-generic root=UUID=781db715-a195-4dda-b877-9f7c87a81821 ro
RelatedPackageVersions:
linux-restricted-modules-3.13.0-8-generic N/A
linux-backports-modules-3.13.0-8-generic N/A
linux-firmware 1.124
RfKill:
SourcePackage: linux
StagingDrivers: usbduxsigma comedi comedi_fc
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/25/2005
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 0X8582
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA01:bd05/25/2005:svnDellInc.:pnDimension9100:pvr:rvnDellInc.:rn0X8582:rvr:cvnDellInc.:ct7:cvr:
dmi.product.name: Dimension 9100
dmi.sys.vendor: Dell Inc.
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References