Most recent kernel where this bug did not occur: Crashes with 2.6.20-16-generic (Ubuntu), 2.6.22.6 Distribution: Kubuntu 7.04 amd64 Hardware Environment: Linux x86_64 Software Environment: 64bit Problem Description: dvb-usb: Hauppauge Nova-T Stick crashes during channel search with Kaffeine 0.8.5. Steps to reproduce: Here's the log from /var/log/messages: Sep 9 20:00:46 genom kernel: usb 1-6: new high speed USB device using ehci_hcd and address 4 Sep 9 20:00:46 genom kernel: usb 1-6: configuration #1 chosen from 1 choice Sep 9 20:00:47 genom kernel: dib0700: loaded with support for 2 different device-types Sep 9 20:00:47 genom kernel: dvb-usb: found a 'Hauppauge Nova-T Stick' in cold state, will try to load a firmware Sep 9 20:00:47 genom kernel: dvb-usb: downloading firmware from file 'dvb-usb-dib0700-01.fw' Sep 9 20:00:47 genom kernel: dib0700: firmware started successfully. Sep 9 20:00:48 genom kernel: dvb-usb: found a 'Hauppauge Nova-T Stick' in warm state. Sep 9 20:00:48 genom kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. Sep 9 20:00:48 genom kernel: DVB: registering new adapter (Hauppauge Nova-T Stick) Sep 9 20:00:48 genom kernel: DVB: registering frontend 0 (DiBcom 7000MA/MB/PA/PB/MC)... Sep 9 20:00:48 genom kernel: MT2060: successfully identified (IF1 = 1220) Sep 9 20:00:49 genom kernel: dvb-usb: Hauppauge Nova-T Stick successfully initialized and connected. Sep 9 20:00:49 genom kernel: usbcore: registered new interface driver dvb_usb_dib0700 Sep 9 20:01:14 genom kernel: usb 1-6: USB disconnect, address 4 Sep 9 20:01:14 genom kernel: mt2060 I2C write failed Sep 9 20:01:19 genom kernel: PGD 8063 PUD 9063 PMD 8000000021e001e3 PTE 0 Sep 9 20:01:19 genom kernel: CPU 1 Sep 9 20:01:19 genom kernel: Modules linked in: mt2060 dvb_usb_dib0700 dib7000m dib7000p dvb_usb dvb_core dib3000mc dibx000_common ppdev capability commoncap powernow_k8 cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats freq_table cpufreq_userspace container ac video output dock ipv6 sbp2 lp fuse snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event parport_pc parport snd_seq evdev usbhid snd_timer snd_seq_device pcspkr k8temp hid psmouse snd soundcore i2c_piix4 i2c_core snd_page_alloc button shpchp pci_hotplug af_packet ohci1394 ieee1394 ide_cd cdrom sg r8169 ohci_hcd ehci_hcd sd_mod generic usbcore thermal processor fan Sep 9 20:01:19 genom kernel: Pid: 8039, comm: kaffeine Not tainted 2.6.23-rc5-v1 #1 Sep 9 20:01:19 genom kernel: RIP: 0010:[phys_startup_64+567294109/-2147483648] [phys_startup_64+567294109/-2147483648] Sep 9 20:01:19 genom kernel: RSP: 0018:ffff8100134f5ee0 EFLAGS: 00010282 Sep 9 20:01:19 genom kernel: RAX: ffff810037ecb2c0 RBX: ffff8100152553c0 RCX: ffff810021f0389d Sep 9 20:01:19 genom kernel: RDX: 00000000407ffaf0 RSI: 0000000080a86f3d RDI: ffff8100152553c0 Sep 9 20:01:19 genom kernel: RBP: 00000000407ffaf0 R08: ffff8100152553e8 R09: 0000000000000002 Sep 9 20:01:19 genom kernel: R10: 00000000407ffa98 R11: 0000000000000246 R12: 0000000080a86f3d Sep 9 20:01:19 genom kernel: R13: 0000000000000010 R14: 0000000080a86f3d R15: 00000000407ffc20 Sep 9 20:01:19 genom kernel: FS: 0000000040800940(0063) GS:ffff810037b1ce40(0000) knlGS:00000000f7e498d0 Sep 9 20:01:19 genom kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Sep 9 20:01:19 genom kernel: CR2: ffff810021f0389d CR3: 0000000036577000 CR4: 00000000000006e0 Sep 9 20:01:19 genom kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 9 20:01:19 genom kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Sep 9 20:01:19 genom kernel: Process kaffeine (pid: 8039, threadinfo ffff8100134f4000, task ffff81002397a820) Sep 9 20:01:19 genom kernel: Stack: ffffffff8029944f ffff8100152553c0 00000000407ffaf0 0000000000000010 Sep 9 20:01:19 genom kernel: ffffffff80299534 0000000000000000 0000002000000000 0000000000000000 Sep 9 20:01:19 genom kernel: ffff8100152553c0 00000000407ffaf0 0000000000000010 0000000080a86f3d Sep 9 20:01:19 genom kernel: Call Trace: Sep 9 20:01:19 genom kernel: [do_ioctl+47/160] do_ioctl+0x2f/0xa0 Sep 9 20:01:19 genom kernel: [vfs_ioctl+116/720] vfs_ioctl+0x74/0x2d0 Sep 9 20:01:19 genom kernel: [sys_ioctl+149/176] sys_ioctl+0x95/0xb0 Sep 9 20:01:19 genom kernel: [system_call+126/131] system_call+0x7e/0x83 Sep 9 20:01:19 genom kernel: Sep 9 20:01:19 genom kernel: Sep 9 20:01:19 genom kernel: Code: 50 48 59 53 44 45 56 42 55 53 3d 75 73 62 00 50 48 59 53 44 Sep 9 20:01:19 genom kernel: RSP <ffff8100134f5ee0> Sep 9 20:01:19 genom kernel: CPU 1 Sep 9 20:01:19 genom kernel: Modules linked in: mt2060 dvb_usb_dib0700 dib7000m dib7000p dvb_usb dvb_core dib3000mc dibx000_common ppdev capability commoncap powernow_k8 cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats freq_table cpufreq_userspace container ac video output dock ipv6 sbp2 lp fuse snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event parport_pc parport snd_seq evdev usbhid snd_timer snd_seq_device pcspkr k8temp hid psmouse snd soundcore i2c_piix4 i2c_core snd_page_alloc button shpchp pci_hotplug af_packet ohci1394 ieee1394 ide_cd cdrom sg r8169 ohci_hcd ehci_hcd sd_mod generic usbcore thermal processor fan Sep 9 20:01:19 genom kernel: Pid: 8054, comm: kdvb-fe-0 Tainted: G D 2.6.23-rc5-v1 #1 Sep 9 20:01:19 genom kernel: RIP: 0010:[_end+130680277/2130654840] [_end+130680277/2130654840] :dvb_core:dvb_frontend_init+0x1d/0x70 Sep 9 20:01:19 genom kernel: RSP: 0018:ffff81001350deb0 EFLAGS: 00010282 Sep 9 20:01:19 genom kernel: RAX: ffff006273753d52 RBX: ffff810021f03800 RCX: 0000000000000018 Sep 9 20:01:19 genom kernel: RDX: fbfef2a18317a820 RSI: ffff81002397a820 RDI: ffff810021f03800 Sep 9 20:01:19 genom kernel: RBP: ffff810021f03800 R08: ffff81001350c000 R09: 0000000000000004 Sep 9 20:01:19 genom kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff81002a947800 Sep 9 20:01:19 genom kernel: R13: 0000000000000000 R14: 0000000000000000 R15: ffff81002a9479b8 Sep 9 20:01:19 genom kernel: FS: 0000000040800940(0000) GS:ffff810037b1ce40(0000) knlGS:00000000f7e498d0 Sep 9 20:01:19 genom kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b Sep 9 20:01:19 genom kernel: CR2: ffff810021f0389d CR3: 0000000036577000 CR4: 00000000000006e0 Sep 9 20:01:19 genom kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 9 20:01:19 genom kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Sep 9 20:01:19 genom kernel: Process kdvb-fe-0 (pid: 8054, threadinfo ffff81001350c000, task ffff810018dfe8a0) Sep 9 20:01:19 genom kernel: Stack: 00000000fffffffc ffffffff882ae680 ffff81002397a820 ffff8100134f5c78 Sep 9 20:01:19 genom kernel: ffff8100134f5c80 0000000000000286 0000000000000000 0000000000000000 Sep 9 20:01:19 genom kernel: ffff81001350df20 00000000fffffffc ffff810021f03800 ffffffff882ae600 Sep 9 20:01:19 genom kernel: Call Trace: Sep 9 20:01:19 genom kernel: [_end+130686200/2130654840] :dvb_core:dvb_frontend_thread+0x80/0x370 Sep 9 20:01:19 genom kernel: [_end+130686072/2130654840] :dvb_core:dvb_frontend_thread+0x0/0x370 Sep 9 20:01:19 genom kernel: [kthread+75/128] kthread+0x4b/0x80 Sep 9 20:01:19 genom kernel: [child_rip+10/18] child_rip+0xa/0x12 Sep 9 20:01:19 genom kernel: [kthread+0/128] kthread+0x0/0x80 Sep 9 20:01:19 genom kernel: [child_rip+0/18] child_rip+0x0/0x12 Sep 9 20:01:19 genom kernel: Sep 9 20:01:19 genom kernel: Sep 9 20:01:19 genom kernel: Code: ff d0 48 8b 83 10 02 00 00 48 85 c0 74 1d 48 89 df ff d0 48 Sep 9 20:01:19 genom kernel: RSP <ffff81001350deb0> Sep 9 20:01:20 genom kernel: PGD 8063 PUD 9063 PMD 8000000021e001e3 PTE 0 Sep 9 20:01:20 genom kernel: CPU 0 Sep 9 20:01:20 genom kernel: Modules linked in: mt2060 dvb_usb_dib0700 dib7000m dib7000p dvb_usb dvb_core dib3000mc dibx000_common ppdev capability commoncap powernow_k8 cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats freq_table cpufreq_userspace container ac video output dock ipv6 sbp2 lp fuse snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event parport_pc parport snd_seq evdev usbhid snd_timer snd_seq_device pcspkr k8temp hid psmouse snd soundcore i2c_piix4 i2c_core snd_page_alloc button shpchp pci_hotplug af_packet ohci1394 ieee1394 ide_cd cdrom sg r8169 ohci_hcd ehci_hcd sd_mod generic usbcore thermal processor fan Sep 9 20:01:20 genom kernel: Pid: 8031, comm: kaffeine Tainted: G D 2.6.23-rc5-v1 #1 Sep 9 20:01:20 genom kernel: RIP: 0010:[phys_startup_64+567294109/-2147483648] [phys_startup_64+567294109/-2147483648] Sep 9 20:01:20 genom kernel: RSP: 0018:ffff810015233ee0 EFLAGS: 00010282 Sep 9 20:01:20 genom kernel: RAX: ffff810037ecb2c0 RBX: ffff8100152553c0 RCX: ffff810021f0389d Sep 9 20:01:20 genom kernel: RDX: 00007fff25e1945c RSI: 0000000080026f47 RDI: ffff8100152553c0 Sep 9 20:01:20 genom kernel: RBP: 00007fff25e1945c R08: ffff8100152553e8 R09: 0000000000000003 Sep 9 20:01:20 genom kernel: R10: 00000000007c2120 R11: 0000000000000206 R12: 0000000080026f47 Sep 9 20:01:20 genom kernel: R13: 0000000000000010 R14: 0000000080026f47 R15: 00007fff25e1a200 Sep 9 20:01:20 genom kernel: FS: 00002b448d9e9880(0000) GS:ffffffff8055b000(0000) knlGS:00000000f7e328d0 Sep 9 20:01:20 genom kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Sep 9 20:01:20 genom kernel: CR2: ffff810021f0389d CR3: 0000000036577000 CR4: 00000000000006e0 Sep 9 20:01:20 genom kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 9 20:01:20 genom kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Sep 9 20:01:20 genom kernel: Process kaffeine (pid: 8031, threadinfo ffff810015232000, task ffff8100233dd100) Sep 9 20:01:20 genom kernel: Stack: ffffffff8029944f ffff8100152553c0 00007fff25e1945c 0000000000000010 Sep 9 20:01:20 genom kernel: ffffffff80299534 00000000007c1e10 000000000000000f 0000000000000000 Sep 9 20:01:20 genom kernel: ffff8100152553c0 00007fff25e1945c 0000000000000010 0000000080026f47 Sep 9 20:01:20 genom kernel: Call Trace: Sep 9 20:01:20 genom kernel: [do_ioctl+47/160] do_ioctl+0x2f/0xa0 Sep 9 20:01:20 genom kernel: [vfs_ioctl+116/720] vfs_ioctl+0x74/0x2d0 Sep 9 20:01:20 genom kernel: [sys_ioctl+149/176] sys_ioctl+0x95/0xb0 Sep 9 20:01:20 genom kernel: [system_call+126/131] system_call+0x7e/0x83 Sep 9 20:01:20 genom kernel: Sep 9 20:01:20 genom kernel: Sep 9 20:01:20 genom kernel: Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Sep 9 20:01:20 genom kernel: RSP <ffff810015233ee0> Sep 9 20:02:14 genom kernel: dvb-usb: Hauppauge Nova-T Stick successfully deinitialized and disconnected. Sep 9 20:02:14 genom kernel: usb 1-6: new high speed USB device using ehci_hcd and address 5 Sep 9 20:02:14 genom kernel: usb 1-6: configuration #1 chosen from 1 choice Sep 9 20:02:14 genom kernel: dvb-usb: found a 'Hauppauge Nova-T Stick' in warm state. Sep 9 20:02:14 genom kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. Sep 9 20:02:14 genom kernel: DVB: registering new adapter (Hauppauge Nova-T Stick) Sep 9 20:02:15 genom kernel: dvb-usb: Hauppauge Nova-T Stick successfully initialized and connected. Sep 9 20:02:24 genom exiting on signal 15 Sep 9 20:03:12 genom syslogd 1.4.1#20ubuntu4: restart. Hope this helps Bernhard Albers
Closing out old stale bugs