https://bugzilla.novell.com/show_bug.cgi?id=753220 https://bugzilla.novell.com/show_bug.cgi?id=753220#c0 Summary: [kernel:head] [uvcvideo] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e0 Classification: openSUSE Product: openSUSE 12.2 Version: Factory Platform: x86-64 OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: crrodriguez@opensuse.org QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Any attempt to use this laptop builtin camera goes kaput with the following backtrace 93.681920] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e0 [ 93.681960] IP: [<ffffffffa05b5df1>] uvc_video_clock_update+0x91/0x440 [uvcvideo] [ 93.681991] PGD 0 [ 93.682004] Oops: 0000 [#1] PREEMPT SMP [ 93.682025] CPU 0 [ 93.682035] Modules linked in: fuse af_packet snd_hda_codec_hdmi snd_hda_codec_realtek arc4 dell_laptop iwlwifi dcdbas mac80211 dell_wmi uvcvideo videobuf2_core videodev cfg80211 v4l2_compat_ioctl32 videobuf2_vmalloc sr_mod kvm_intel snd_hda_intel iTCO_wdt sparse_keymap coretemp kvm btusb videobuf2_memops bluetooth pcspkr microcode cdrom i2c_i801 iTCO_vendor_support sg snd_hda_codec battery snd_hwdep snd_pcm snd_timer rfkill snd soundcore mei(C) snd_page_alloc wmi bbswitch(O) ac autofs4 sha256_generic dm_crypt dm_mod linear btrfs zlib_deflate i915 drm_kms_helper drm i2c_algo_bit ghash_clmulni_intel crc32c_intel aesni_intel cryptd aes_x86_64 xhci_hcd video button fan thermal processor thermal_sys [ 93.682318] [ 93.682328] Pid: 2138, comm: chromium Tainted: G C O 3.3.0-1-desktop #1 Dell Inc. Dell System XPS 15Z/00WW5M [ 93.682368] RIP: 0010:[<ffffffffa05b5df1>] [<ffffffffa05b5df1>] uvc_video_clock_update+0x91/0x440 [uvcvideo] [ 93.682403] RSP: 0018:ffff8801eb173bc8 EFLAGS: 00010002 [ 93.682422] RAX: 0000000080000000 RBX: ffff880233deb000 RCX: 0000000000000000 [ 93.682446] RDX: 0000000000000006 RSI: 0000000000000020 RDI: ffff880233deb550 [ 93.682469] RBP: 00000000000000e0 R08: ffff8801eb173e70 R09: 0000000000000000 [ 93.682493] R10: 0000000000000000 R11: 0000000100000000 R12: ffff8801eb173de0 [ 93.682517] R13: ffff880233deb550 R14: 0000000000000292 R15: 0000000000000000 [ 93.682541] FS: 00007fb730443700(0000) GS:ffff88023fa00000(0000) knlGS:0000000000000000 [ 93.682569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.682589] CR2: 00000000000000e0 CR3: 00000001ef33c000 CR4: 00000000000406f0 [ 93.682612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.682635] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 93.682658] Process chromium (pid: 2138, threadinfo ffff8801eb172000, task ffff8801ecd82400) [ 93.682686] Stack: [ 93.682696] 4c340dbc184c3406 001508c2ac06bc18 c22602bc00ea000a 15088aacc21e7510 [ 93.682726] 2602c800ea00ebff 5713c226025712c2 6d34c59c2fbf0600 00dd31ea03cd3000 [ 93.682757] 571403cdf003cd31 bf06005715c22609 bd2a03cce903cd7e 1603cde703cd3301 [ 93.682787] Call Trace: [ 93.682816] [<ffffffffa05b17f1>] uvc_buffer_finish+0x21/0x30 [uvcvideo] [ 93.682844] [<ffffffffa03cf89a>] vb2_dqbuf.part.9+0x4a/0x210 [videobuf2_core] [ 93.682873] [<ffffffffa05b1b23>] uvc_dequeue_buffer+0x43/0x70 [uvcvideo] [ 93.682900] [<ffffffffa05b3974>] uvc_v4l2_do_ioctl+0xd64/0x1030 [uvcvideo] [ 93.682931] [<ffffffffa04e74c9>] video_usercopy+0x259/0x2f0 [videodev] [ 93.682957] [<ffffffffa04e638f>] v4l2_ioctl+0xcf/0x160 [videodev] [ 93.682982] [<ffffffff81172af5>] do_vfs_ioctl+0x85/0x2e0 [ 93.683002] [<ffffffff81172de8>] sys_ioctl+0x98/0xa0 [ 93.683024] [<ffffffff815d9f39>] system_call_fastpath+0x16/0x1b [ 93.683049] [<00007fb73bfeb837>] 0x7fb73bfeb836 [ 93.683066] Code: 8b 83 40 05 00 00 31 d2 48 8b 8b 38 05 00 00 45 8b bf f0 02 00 00 89 c5 83 e8 01 f7 f6 48 c1 e5 05 41 8d 87 00 00 00 80 48 01 cd <8b> 75 00 41 89 d4 29 c6 49 c1 e4 05 49 01 cc 41 8b 3c 24 29 c7 [ 93.683220] RIP [<ffffffffa05b5df1>] uvc_video_clock_update+0x91/0x440 [uvcvideo] [ 93.683249] RSP <ffff8801eb173bc8> [ 93.684808] CR2: 00000000000000e0 [ 93.744580] ---[ end trace 86440596d27f182f ]--- -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.