Subject : [2.6.35] usb 2.0 em28xx kernel panic general protection fault: 0000 [#1] SMP RIP: 0010:[<ffffffffa004fbc5>] [<ffffffffa004fbc5>] em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx] Submitter : Sander Eikelenboom <linux@eikelenboom.it> Date : 2010-08-10 22:12 Message-ID : 61936849.20100811001257@eikelenboom.it References : http://marc.info/?l=linux-kernel&m=128152075830927&w=2 This entry is being used for tracking a regression from 2.6.34. Please don't close it until the problem is fixed in the mainline.
From the referenced Bugreport: [ 279.680018] general protection fault: 0000 [#1] SMP [ 279.683901] last sysfs file: \ /sys/devices/pci0000:00/0000:00:12.2/usb1/1-5/i2c-0/name [ 279.683901] CPU 5 [ 279.683901] Modules linked in: xt_multiport ipt_REJECT xt_recent xt_limit \ xt_tcpudp powernow_k8 mperf xt_state ipt_MA SQUERADE ipt_LOG iptable_mangle \ iptable_filter iptable_nat ip_tables nf_nat x_tables nf_conntrack_ipv4 nf_conntrack \ nf_d efrag_ipv4 fuse hwmon_vid loop saa7115 snd_cmipci gameport snd_opl3_lib \ snd_hwdep snd_mpu401_uart snd_rawmidi em28xx v4l 2_common snd_hda_codec_atihdmi \ snd_hda_intel snd_hda_codec snd_pcm snd_seq_device videodev snd_timer snd v4l1_compat \ v4l 2_compat_ioctl32 videobuf_vmalloc videobuf_core psmouse tpm_tis joydev evdev \ tveeprom serio_raw shpchp edac_core i2c_pii x4 soundcore pcspkr i2c_core pci_hotplug \ wmi snd_page_alloc processor button sd_mod r8169 thermal fan \ thermal_sys [last unloaded: scsi_wait_scan] [ 279.683901] [ 279.683901] Pid: 0, comm: swapper Not tainted 2.6.352.6.35-vanilla-xhci-isoc+ #6 \ 890FXA-GD70 (MS-7640) /MS-7640 [ 279.683901] RIP: 0010:[<ffffffffa004fbc5>] \ [<ffffffffa004fbc5>] em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx] [ 279.683901] RSP: \ 0018:ffff880001b43c68 EFLAGS: 00010082 [ 279.683901] RAX: dead000000200200 RBX: \ 0000000000000804 RCX: ffff880229625818 [ 279.683901] RDX: dead000000100100 RSI: \ 0000000000000003 RDI: ffff880229625868 [ 279.683901] RBP: ffff880001b43d08 R08: \ 0000000000000000 R09: 0000000000000804 [ 279.683901] R10: ffff880229597000 R11: \ 0000000000000000 R12: 0000000000000000 [ 279.683901] R13: ffff88022f158820 R14: \ ffff880229597000 R15: 0000000000000344 [ 279.683901] FS: 00007fa4bd3706e0(0000) \ GS:ffff880001b40000(0000) knlGS:0000000000000000 [ 279.683901] CS: 0010 DS: 0000 \ ES: 0000 CR0: 000000008005003b [ 279.683901] CR2: 00007fa4bd35f000 CR3: \ 000000022a9ad000 CR4: 00000000000006e0 [ 279.683901] DR0: 0000000000000000 DR1: \ 0000000000000000 DR2: 0000000000000000 [ 279.683901] DR3: 0000000000000000 DR6: \ 00000000ffff0ff0 DR7: 0000000000000400 [ 279.683901] Process swapper (pid: 0, \ threadinfo ffff880237d4a000, task ffff880237d2f7a0) [ 279.683901] Stack: [ 279.683901] ffffffff8103d7a3 ffff880001b43cb0 0000000000000082 ffff8802375e2188 [ 279.683901] <0> 0000000000000804 ffff880229625818 ffff880229597a40 \ ffff880229597a90 [ 279.683901] <0> ffffc90010b72000 0000000000000000 \ 0000002237d20000 ffff880229597000 [ 279.683901] Call Trace: [ 279.683901] <IRQ> [ 279.683901] [<ffffffff8103d7a3>] ? enqueue_task+0x77/0x87 [ 279.683901] [<ffffffffa0053398>] em28xx_irq_callback+0x7e/0xfe [em28xx] [ 279.683901] [<ffffffff81359415>] usb_hcd_giveback_urb+0x84/0xb8 [ 279.683901] [<ffffffff8136b51b>] ehci_urb_done+0xcf/0xe4 [ 279.683901] [<ffffffff8136cd15>] ehci_work+0x504/0x8da [ 279.683901] [<ffffffff81370fda>] ehci_irq+0x19c/0x1ce [ 279.683901] [<ffffffff81358bd1>] usb_hcd_irq+0x3e/0x83 [ 279.683901] [<ffffffff8108782c>] handle_IRQ_event+0x58/0x136 [ 279.683901] [<ffffffff81089414>] handle_fasteoi_irq+0x92/0xd2 [ 279.683901] [<ffffffff8100b241>] handle_irq+0x1f/0x2a [ 279.683901] [<ffffffff8100a884>] do_IRQ+0x5a/0xc1 [ 279.683901] [<ffffffff8146c953>] ret_from_intr+0x0/0x11 [ 279.683901] <EOI> [ 279.683901] [<ffffffffa0044740>] ? acpi_idle_enter_simple+0x130/0x168 [processor] [ 279.683901] [<ffffffffa004473c>] ? acpi_idle_enter_simple+0x12c/0x168 [processor] [ 279.683901] [<ffffffff813ad822>] cpuidle_idle_call+0x9b/0xfd [ 279.683901] [<ffffffff81007868>] cpu_idle+0x51/0x84 [ 279.683901] [<ffffffff81466d1b>] start_secondary+0x1c0/0x1c5 [ 279.683901] Code: 83 ef 80 e8 69 39 01 e1 48 8b 4d 88 49 c7 86 18 0b 00 00 00 00 \ 00 00 be 03 00 00 00 48 8b 51 40 48 8b 41 48 48 89 cf 48 83 c7 50 <48> 89 42 08 48 \ 89 10 48 b8 00 01 10 00 00 00 ad de 48 89 41 40 [ 279.683901] RIP \ [<ffffffffa004fbc5>] em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx] [ 279.683901] RSP \ <ffff880001b43c68> [ 279.683901] ---[ end trace 0f55a03076b067cf ]--- [ 279.683901] Kernel panic - not syncing: Fatal exception in interrupt [ 279.683901] Pid: 0, comm: swapper Tainted: G D \ 2.6.352.6.35-vanilla-xhci-isoc+ #6 [ 279.683901] Call Trace: [ 279.683901] <IRQ> [<ffffffff81469cf9>] panic+0xb1/0x12a [ 279.683901] [<ffffffff81043b90>] ? kmsg_dump+0x126/0x140 [ 279.683901] [<ffffffff8100c354>] oops_end+0x89/0x96 [ 279.683901] [<ffffffff8100c534>] die+0x55/0x5e [ 279.683901] [<ffffffff8100a26f>] do_general_protection+0x130/0x138 [ 279.683901] [<ffffffff8146cc05>] general_protection+0x25/0x30 [ 279.683901] [<ffffffffa004fbc5>] ? em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx] [ 279.683901] [<ffffffffa004fba2>] ? em28xx_isoc_copy_vbi+0x60b/0x812 [em28xx] [ 279.683901] [<ffffffff8103d7a3>] ? enqueue_task+0x77/0x87 [ 279.683901] [<ffffffffa0053398>] em28xx_irq_callback+0x7e/0xfe [em28xx] [ 279.683901] [<ffffffff81359415>] usb_hcd_giveback_urb+0x84/0xb8 [ 279.683901] [<ffffffff8136b51b>] ehci_urb_done+0xcf/0xe4 [ 279.683901] [<ffffffff8136cd15>] ehci_work+0x504/0x8da [ 279.683901] [<ffffffff81370fda>] ehci_irq+0x19c/0x1ce [ 279.683901] [<ffffffff81358bd1>] usb_hcd_irq+0x3e/0x83 [ 279.683901] [<ffffffff8108782c>] handle_IRQ_event+0x58/0x136 [ 279.683901] [<ffffffff81089414>] handle_fasteoi_irq+0x92/0xd2 [ 279.683901] [<ffffffff8100b241>] handle_irq+0x1f/0x2a [ 279.683901] [<ffffffff8100a884>] do_IRQ+0x5a/0xc1 [ 279.683901] [<ffffffff8146c953>] ret_from_intr+0x0/0x11 [ 279.683901] <EOI> [<ffffffffa0044740>] ? acpi_idle_enter_simple+0x130/0x168 \ [processor] [ 279.683901] [<ffffffffa004473c>] ? acpi_idle_enter_simple+0x12c/0x168 \ [processor] [ 279.683901] [<ffffffff813ad822>] cpuidle_idle_call+0x9b/0xfd [ 279.683901] [<ffffffff81007868>] cpu_idle+0x51/0x84 [ 279.683901] [<ffffffff81466d1b>] start_secondary+0x1c0/0x1c5
On Monday, October 11, 2010, Sander Eikelenboom wrote: > Hello Rafael, > > This one seems to be fixed, in the sense that i still get an error, but it > doesn't crash the kernel. > And since it was my mistake to use the deprecated video4linux interface > instead of the video4linux2, i think it's fine to consider it fixed. > > > security:~# ffmpeg -f video4linux -r 25 -s 720x576 -i /dev/video0 out.flv > FFmpeg version SVN-r20654, Copyright (c) 2000-2009 Fabrice Bellard, et al. > built on Nov 29 2009 08:11:53 with gcc 4.3.4 > configuration: --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc' > --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad > --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid > --enable-postproc --enable-x11grab --enable-libgsm > --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 > --enable-libtheora --enable-libdc1394 --enable-libspeex --enable-nonfree > --disable-stripping --enable-avfilter --enable-libdirac > --disable-decoder=libdirac --enable-libschroedinger > --disable-encoder=libschroedinger --enable-avfilter-lavf > --enable-libopenjpeg --enable-version3 --disable-altivec --disable-armv5te > --disable-armv6 --disable-vis > libavutil 50. 5. 1 / 50. 5. 1 > libavcodec 52.42. 0 / 52.42. 0 > libavformat 52.39. 2 / 52.39. 2 > libavdevice 52. 2. 0 / 52. 2. 0 > libavfilter 1.11. 0 / 1.11. 0 > libswscale 0. 7. 2 / 0. 7. 2 > libpostproc 51. 2. 0 / 51. 2. 0 > [video4linux @ 0xff45e0]VIDIOCMCAPTURE: Cannot allocate memory > /dev/video0: I/O error occurred > Usually that means that input file is truncated and/or corrupted.