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Message #92224
[Bug 1388239] Re: CPU: 1 PID: 11025 at /build/buildd/linux-3.16.0/drivers/media/v4l2-core/videobuf2-core.c:2120 __vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
Thanks for the procedures.
In the meantime, I had to reinstall in 64bits (I wrongly installed in 32bits) and now i cannot reproduce this bug.
I can trigger another one but not this particular one. So for the moment I cannot test further.
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https://bugs.launchpad.net/bugs/1388239
Title:
CPU: 1 PID: 11025 at
/build/buildd/linux-3.16.0/drivers/media/v4l2-core/videobuf2-core.c:2120
__vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
Status in linux package in Ubuntu:
Incomplete
Status in v4l-utils package in Ubuntu:
Invalid
Bug description:
Found theses warnings when using the webcam on flash site under
firefox.
[418114.773634] ------------[ cut here ]------------
[418114.773674] WARNING: CPU: 1 PID: 11025 at /build/buildd/linux-3.16.0/drivers/media/v4l2-core/videobuf2-core.c:2120 __vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
[418114.773677] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc snd_hrtimer nfsv3 rpcsec_gss_krb5 nfsv4 ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr bnep iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi rfcomm bluetooth 6lowpan_iphc nfsd auth_rpcgss binfmt_misc nfs_acl nfs lockd sunrpc fscache dm_crypt ir_lirc_codec lirc_dev ir_rc5_decoder ir_mce_kbd_decoder ir_sharp_decoder ir_jvc_decoder ir_sony_decoder ir_sanyo_decoder ir_rc6_decoder ir_nec_decoder rc_rc6_mce mceusb rc_core pl2303 usbserial snd_hda_codec_realtek uvcvideo videobuf2_vmalloc
[418114.773763] videobuf2_memops snd_hda_codec_generic snd_usb_audio videobuf2_core v4l2_common snd_hda_intel videodev snd_hda_controller media joydev snd_usbmidi_lib snd_hda_codec snd_hwdep coretemp snd_pcm kvm_intel snd_seq_midi dm_multipath kvm snd_seq_midi_event scsi_dh snd_rawmidi snd_seq snd_seq_device serio_raw snd_timer cuse snd lpc_ich parport_pc soundcore ppdev mac_hid lp parport i915 hid_generic e1000e ptp video i2c_algo_bit drm_kms_helper usbhid drm firewire_ohci hid pata_acpi firewire_core crc_itu_t pps_core
[418114.773829] CPU: 1 PID: 11025 Comm: plugin-containe Tainted: G W 3.16.0-23-lowlatency #31-Ubuntu
[418114.773833] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG 10/03/2008
[418114.773836] 0000000000000009 ffff8800115c7c00 ffffffff8177ec5d 0000000000000000
[418114.773843] ffff8800115c7c38 ffffffff8107183d 0000000000000000 0000000000000000
[418114.773848] ffff88008b044af0 ffff88008b0448d8 ffff8801215cb180 ffff8800115c7c48
[418114.773854] Call Trace:
[418114.773867] [<ffffffff8177ec5d>] dump_stack+0x4d/0x6f
[418114.773875] [<ffffffff8107183d>] warn_slowpath_common+0x7d/0xa0
[418114.773881] [<ffffffff8107191a>] warn_slowpath_null+0x1a/0x20
[418114.773893] [<ffffffffc0701596>] __vb2_queue_cancel+0x116/0x180 [videobuf2_core]
[418114.773905] [<ffffffffc0702cf5>] vb2_internal_streamoff+0x35/0x90 [videobuf2_core]
[418114.773916] [<ffffffffc0702db5>] vb2_streamoff+0x65/0x70 [videobuf2_core]
[418114.773928] [<ffffffffc075e855>] uvc_queue_enable+0x65/0xa0 [uvcvideo]
[418114.773939] [<ffffffffc076360a>] uvc_video_enable+0x4a/0x1b0 [uvcvideo]
[418114.773958] [<ffffffffc07601e2>] uvc_v4l2_do_ioctl+0x962/0x14b0 [uvcvideo]
[418114.773962] [<ffffffff81192373>] ? copy_page_from_iter_iovec+0x183/0x2d0
[418114.773976] [<ffffffffc06e02c6>] video_usercopy+0x366/0x600 [videodev]
[418114.773979] [<ffffffff811e4bd9>] ? __sb_start_write+0x49/0xf0
[418114.773985] [<ffffffffc075f880>] ? uvc_v4l2_open+0x150/0x150 [uvcvideo]
[418114.773988] [<ffffffff811e4b61>] ? __sb_end_write+0x31/0x60
[418114.773992] [<ffffffff811eaad3>] ? pipe_write+0x393/0x450
[418114.773997] [<ffffffffc075ec3f>] uvc_v4l2_ioctl+0x2f/0x70 [uvcvideo]
[418114.774004] [<ffffffffc06da734>] v4l2_ioctl+0x154/0x190 [videodev]
[418114.774008] [<ffffffff811f6468>] do_vfs_ioctl+0x2c8/0x4a0
[418114.774011] [<ffffffff812007de>] ? __fget+0x6e/0xb0
[418114.774029] [<ffffffff811f66c1>] SyS_ioctl+0x81/0xa0
[418114.774039] [<ffffffff8178666d>] system_call_fastpath+0x1a/0x1f
[418114.774084] ---[ end trace 36d13fa659268ece ]---
---
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: pascal 3770 F.... pulseaudio
/dev/snd/pcmC0D0p: pascal 3770 F...m pulseaudio
/dev/snd/controlC0: pascal 3770 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: Ubuntu 14.10
HibernationDevice: RESUME=UUID=6e95fe83-ffc6-4f37-b81c-984d3bf3dc85
InstallationDate: Installed on 2011-10-23 (1125 days ago)
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IwConfig:
eth0 no wireless extensions.
virbr0 no wireless extensions.
lo no wireless extensions.
MachineType: AOpen i965GMx-IF
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-lowlatency root=UUID=6326dfb7-36be-4eae-85b8-e49695f3f331 ro security=selinux selinux=1
ProcVersionSignature: Ubuntu 3.16.0-24.32-lowlatency 3.16.4
RelatedPackageVersions:
linux-restricted-modules-3.16.0-24-lowlatency N/A
linux-backports-modules-3.16.0-24-lowlatency N/A
linux-firmware 1.138
RfKill:
Tags: utopic
Uname: Linux 3.16.0-24-lowlatency x86_64
UpgradeStatus: Upgraded to utopic on 2014-10-24 (28 days ago)
UserGroups: adm admin cdrom dialout disk fuse kvm libvirtd lpadmin plugdev
_MarkForUpload: True
dmi.bios.date: 10/03/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: i965GMx-IF
dmi.board.vendor: AOpen
dmi.board.version: 558EX10I690
dmi.chassis.type: 3
dmi.chassis.vendor: AOpen
dmi.chassis.version: i965GMx-IF
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd10/03/2008:svnAOpen:pni965GMx-IF:pvrAO00001JW:rvnAOpen:rni965GMx-IF:rvr558EX10I690:cvnAOpen:ct3:cvri965GMx-IF:
dmi.product.name: i965GMx-IF
dmi.product.version: AO00001JW
dmi.sys.vendor: AOpen
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