[Bug 570472] [NEW] System Hang with Hauppauge 950q

Ian Cartwright ian351c at yahoo.com
Mon Apr 26 23:35:02 UTC 2010 

Public bug reported:

When MythTV is recording a program the system will hang part way through
the program. I can scan for channels (though I get inconsistent results
detecting them, but that may or may not be relevant here) and I can
watch live TV (though I haven't attempted watching for more than a
minute or two). Not sure if ubuntu-bug collected this, but here is the
kernel oops:

Apr 26 09:09:07 server2 kernel: [308741.312503] BUG: unable to handle kernel NULL pointer dereference at 0000000000000070
Apr 26 09:09:07 server2 kernel: [308741.312511] IP: [<ffffffff81036389>] __ticket_spin_lock+0x9/0x20
Apr 26 09:09:07 server2 kernel: [308741.312520] PGD 18f8a067 PUD 54cd8067 PMD 0 
Apr 26 09:09:07 server2 kernel: [308741.312524] Oops: 0002 [#1] SMP 
Apr 26 09:09:07 server2 kernel: [308741.312527] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.0/usb2/idVendor
Apr 26 09:09:07 server2 kernel: [308741.312530] CPU 0 
Apr 26 09:09:07 server2 kernel: [308741.312532] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs reiserfs hwmon_vid coretemp i2c_dev i2c_i801 isofs udf crc_itu_t usb_storage iscsi_trgt crc32c xfs exportfs binfmt_misc snd_hda_codec_realtek xc5000 iptable_filter tuner ip_tables x_tables au8522 snd_usb_audio snd_usb_lib snd_seq_dummy snd_hda_intel snd_hda_codec snd_seq_oss snd_hwdep snd_seq_midi snd_pcm_oss snd_rawmidi snd_mixer_oss snd_seq_midi_event psmouse snd_pcm snd_seq snd_timer snd_seq_device serio_raw snd_page_alloc snd lp soundcore au0828 dvb_core videobuf_vmalloc videobuf_core tveeprom v4l2_common videodev v4l1_compat v4l2_compat_ioctl32 ppdev parport_pc parport usbhid fbcon tileblit font bitblit softcursor sky2 i915 drm i2c_algo_bit intel_agp video output
Apr 26 09:09:07 server2 kernel: [308741.312579] Pid: 33, comm: kswapd0 Not tainted 2.6.31-20-generic #58-Ubuntu SK48
Apr 26 09:09:07 server2 kernel: [308741.312581] RIP: 0010:[<ffffffff81036389>]  [<ffffffff81036389>] __ticket_spin_lock+0x9/0x20
Apr 26 09:09:07 server2 kernel: [308741.312585] RSP: 0018:ffff88007adffc60  EFLAGS: 00010202
Apr 26 09:09:07 server2 kernel: [308741.312587] RAX: 0000000000000100 RBX: 0000000000000001 RCX: ffffffff817af2f0
Apr 26 09:09:07 server2 kernel: [308741.312588] RDX: ffff8800084cfc40 RSI: 00000000000000d0 RDI: 0000000000000070
Apr 26 09:09:07 server2 kernel: [308741.312590] RBP: ffff88007adffc60 R08: 0000000000000006 R09: 0000000000000000
Apr 26 09:09:07 server2 kernel: [308741.312592] R10: ffff880001deb2c0 R11: 0000000000000001 R12: 0000000000000070
Apr 26 09:09:07 server2 kernel: [308741.312594] R13: ffff8800782f46e0 R14: ffff8800782f4870 R15: ffff88007adffcd0
Apr 26 09:09:07 server2 kernel: [308741.312596] FS:  0000000000000000(0000) GS:ffff8800019fa000(0000) knlGS:0000000000000000
Apr 26 09:09:07 server2 kernel: [308741.312598] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Apr 26 09:09:07 server2 kernel: [308741.312600] CR2: 0000000000000070 CR3: 000000004c87e000 CR4: 00000000000406f0
Apr 26 09:09:07 server2 kernel: [308741.312602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 26 09:09:07 server2 kernel: [308741.312604] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Apr 26 09:09:07 server2 kernel: [308741.312606] Process kswapd0 (pid: 33, threadinfo ffff88007adfe000, task ffff88007adf4410)
Apr 26 09:09:07 server2 kernel: [308741.312608] Stack:
Apr 26 09:09:07 server2 kernel: [308741.312609]  ffff88007adffc70 ffffffff8152ca69 ffff88007adffca0 ffffffff81145116
Apr 26 09:09:07 server2 kernel: [308741.312612] <0> ffff8800782f46e0 0000000000000028 0000000000000080 0000000000000028
Apr 26 09:09:07 server2 kernel: [308741.312616] <0> ffff88007adffd10 ffffffff81135603 00000000000138ea 0000000000009c75
Apr 26 09:09:07 server2 kernel: [308741.312619] Call Trace:
Apr 26 09:09:07 server2 kernel: [308741.312625]  [<ffffffff8152ca69>] _spin_lock+0x9/0x10
Apr 26 09:09:07 server2 kernel: [308741.312630]  [<ffffffff81145116>] remove_inode_buffers+0x36/0x90
Apr 26 09:09:07 server2 kernel: [308741.312634]  [<ffffffff81135603>] prune_icache+0x1d3/0x2b0
Apr 26 09:09:07 server2 kernel: [308741.312637]  [<ffffffff8113571f>] shrink_icache_memory+0x3f/0x50
Apr 26 09:09:07 server2 kernel: [308741.312641]  [<ffffffff810e7355>] shrink_slab+0x125/0x190
Apr 26 09:09:07 server2 kernel: [308741.312643]  [<ffffffff810e9d87>] balance_pgdat+0x487/0x5d0
Apr 26 09:09:07 server2 kernel: [308741.312646]  [<ffffffff810e6e60>] ? isolate_pages_global+0x0/0x60
Apr 26 09:09:07 server2 kernel: [308741.312649]  [<ffffffff810e9fcf>] kswapd+0xff/0x160
Apr 26 09:09:07 server2 kernel: [308741.312653]  [<ffffffff81078a30>] ? autoremove_wake_function+0x0/0x40
Apr 26 09:09:07 server2 kernel: [308741.312655]  [<ffffffff810e9ed0>] ? kswapd+0x0/0x160
Apr 26 09:09:07 server2 kernel: [308741.312658]  [<ffffffff81078646>] kthread+0xa6/0xb0
Apr 26 09:09:07 server2 kernel: [308741.312661]  [<ffffffff8101316a>] child_rip+0xa/0x20
Apr 26 09:09:07 server2 kernel: [308741.312664]  [<ffffffff810785a0>] ? kthread+0x0/0xb0
Apr 26 09:09:07 server2 kernel: [308741.312666]  [<ffffffff81013160>] ? child_rip+0x0/0x20
Apr 26 09:09:07 server2 kernel: [308741.312667] Code: 00 00 48 c7 c2 8e 61 03 81 48 c7 c1 91 61 03 81 e9 dd fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 00 01 00 00 48 89 e5 <f0> 66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c9 c3 66 0f 1f 44 
Apr 26 09:09:07 server2 kernel: [308741.312695] RIP  [<ffffffff81036389>] __ticket_spin_lock+0x9/0x20
Apr 26 09:09:07 server2 kernel: [308741.312698]  RSP <ffff88007adffc60>
Apr 26 09:09:07 server2 kernel: [308741.312699] CR2: 0000000000000070
Apr 26 09:09:07 server2 kernel: [308741.312702] ---[ end trace 7d251251a462d28e ]---

ProblemType: Bug
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  ianc       2021 F.... pulseaudio
 /dev/snd/controlC0:  ianc       2021 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfdff8000 irq 16'
   Mixer name	: 'Realtek ALC662 rev1'
   Components	: 'HDA:10ec0662,12970000,00100101'
   Controls      : 15
   Simple ctrls  : 9
Card1.Amixer.info:
 Card hw:1 'U0x20400x7200'/'USB Device 0x2040:0x7200 at usb-0000:00:1d.7-5, high speed'
   Mixer name	: 'USB Mixer'
   Components	: 'USB2040:7200'
   Controls      : 1
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'Digital In',0
   Capabilities: cswitch cswitch-joined
   Capture channels: Mono
   Mono: Capture [on]
Date: Mon Apr 26 16:26:38 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MachineType: Shuttle Inc SK48
Package: linux-image-2.6.31-20-generic 2.6.31-20.58
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-20-generic root=UUID=c8ed04a9-15c5-40f5-a3a5-efee345ce087 ro quiet splash acpi_enforce_resources=lax
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-20.58-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-20-generic N/A
 linux-firmware 1.26
RfKill:
 
SourcePackage: linux
Uname: Linux 2.6.31-20-generic x86_64
XsessionErrors:
 (gnome-settings-daemon:2192): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:2457): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:2434): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (gnome-panel:2399): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -4 and height 24
 (firefox:2712): GLib-WARNING **: g_set_prgname() called multiple times
dmi.bios.date: 11/04/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: FM20
dmi.board.vendor: Shuttle Inc
dmi.board.version: V10
dmi.chassis.type: 3
dmi.chassis.vendor: Shuttle Inc
dmi.chassis.version: K
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd11/04/2008:svnShuttleInc:pnSK48:pvrV10:rvnShuttleInc:rnFM20:rvrV10:cvnShuttleInc:ct3:cvrK:
dmi.product.name: SK48
dmi.product.version: V10
dmi.sys.vendor: Shuttle Inc

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
System Hang with Hauppauge 950q
https://bugs.launchpad.net/bugs/570472
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