https://bugzilla.novell.com/show_bug.cgi?id=676863 https://bugzilla.novell.com/show_bug.cgi?id=676863#c0 Summary: Kernel NULL pointer dereference while using Hauppauge WinTV Nova-T Classification: openSUSE Product: openSUSE 11.4 Version: Factory Platform: x86-64 OS/Version: SuSE Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: wittemar@googlemail.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:2.0b12) Gecko/20110222 Firefox/4.0b12 If I want to use a Hauppauge WinTV Nova-T (2040:7050) in Factory, after a short time a program like kaffeine or VDR is accessing the device, this application is freezing, the system does not recognize any new usb-devices and in the log I can find the following: Mar 3 23:23:44 tuxshome kernel: [ 9295.514798] BUG: unable to handle kernel NULL pointer dereference at 0000000000000012 Mar 3 23:23:44 tuxshome kernel: [ 9295.514810] IP: [<ffffffff813d5b27>] i2c_transfer+0x17/0x140 Mar 3 23:23:44 tuxshome kernel: [ 9295.514819] PGD 14994c067 PUD 14994d067 PMD 0 Mar 3 23:23:44 tuxshome kernel: [ 9295.514824] Oops: 0000 [#1] PREEMPT SMP Mar 3 23:23:44 tuxshome kernel: [ 9295.514828] last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map Mar 3 23:23:44 tuxshome kernel: [ 9295.514834] CPU 2 Mar 3 23:23:44 tuxshome kernel: [ 9295.514835] Modules linked in: rc_dib0700_rc5 mt2060 dvb_usb_dib0700 dib7000p dib0090 dib7000m dib0070 dvb_usb dib8000 dib3000mc dibx000_common hidp af_packet rfcomm sco bnep l2cap it87 snd_pcm_oss snd_mixer_oss binfmt_misc snd_seq snd_seq_device hwmon_vid nfsd vboxnetadp vboxnetflt lockd nfs_acl auth_rpcgss sunrpc exportfs vboxdrv microcode fuse dm_mod ir_lirc_codec lirc_dev ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder mantis mantis_core ir_core tda665x lnbp21 mb86a16 stb6100 tda10021 tda10023 zl10353 stb0899 stv0299 dvb_core nvidia(P) btusb bluetooth rfkill sr_mod cdrom snd_hda_codec_realtek sg r8169 snd_hda_intel snd_hda_codec shpchp snd_hwdep snd_pcm snd_timer ppdev parport_pc parport i2c_piix4 pcspkr wmi pci_hotplug firewire_ohci firewire_core snd soundcore snd_page_alloc button processor floppy edac_core crc_itu_t edac_mce_amd k10temp edd fan thermal_sys ext4 jbd2 crc16 ata_generic pata_atiixp [last unloaded: preloadtrace] Mar 3 23:23:44 tuxshome kernel: [ 9295.514902] Mar 3 23:23:44 tuxshome kernel: [ 9295.514906] Pid: 11366, comm: kaffeine Tainted: P 2.6.37.1-2-desktop #1 Unknow Unknow/RS780-SB700 Mar 3 23:23:44 tuxshome kernel: [ 9295.514912] RIP: 0010:[<ffffffff813d5b27>] [<ffffffff813d5b27>] i2c_transfer+0x17/0x140 Mar 3 23:23:44 tuxshome kernel: [ 9295.514917] RSP: 0018:ffff88014995dbe8 EFLAGS: 00010296 Mar 3 23:23:44 tuxshome kernel: [ 9295.514921] RAX: ffff88014995dc48 RBX: 0000000000000002 RCX: 0000000000000000 Mar 3 23:23:44 tuxshome kernel: [ 9295.514925] RDX: 0000000000000002 RSI: ffff88014995dc28 RDI: 0000000000000002 Mar 3 23:23:44 tuxshome kernel: [ 9295.514928] RBP: 0000000000000000 R08: ffff8800cf404360 R09: 000000000e008d80 Mar 3 23:23:44 tuxshome kernel: [ 9295.514932] R10: 0000000000000080 R11: 00000000ffffffff R12: 0000000000000000 Mar 3 23:23:44 tuxshome kernel: [ 9295.514936] R13: ffff88014995dc28 R14: 0000000000000002 R15: ffffc90016f93000 Mar 3 23:23:44 tuxshome kernel: [ 9295.514940] FS: 00007f09e6d5e760(0000) GS:ffff8800cfd00000(0000) knlGS:00000000f46c3b70 Mar 3 23:23:44 tuxshome kernel: [ 9295.514944] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 3 23:23:44 tuxshome kernel: [ 9295.514948] CR2: 0000000000000012 CR3: 000000014994b000 CR4: 00000000000006e0 Mar 3 23:23:44 tuxshome kernel: [ 9295.514952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 3 23:23:44 tuxshome kernel: [ 9295.514955] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 3 23:23:44 tuxshome kernel: [ 9295.514960] Process kaffeine (pid: 11366, threadinfo ffff88014995c000, task ffff88014995a180) Mar 3 23:23:44 tuxshome kernel: [ 9295.514963] Stack: Mar 3 23:23:44 tuxshome kernel: [ 9295.514966] 0000000000000020 00000000000000eb 0000000000000000 0000000000000000 Mar 3 23:23:44 tuxshome kernel: [ 9295.514972] 0000000000000001 ffffc90016e74000 ffffc90016f93000 ffffffffa108724f Mar 3 23:23:44 tuxshome kernel: [ 9295.514977] ffff000200000070 ffff88014995dc58 0000000200010070 ffff88014995dc48 Mar 3 23:23:44 tuxshome kernel: [ 9295.514982] Call Trace: Mar 3 23:23:44 tuxshome kernel: [ 9295.514995] [<ffffffffa108724f>] dib7000p_read_word+0x6f/0xd0 [dib7000p] Mar 3 23:23:44 tuxshome kernel: [ 9295.515010] [<ffffffffa1088e30>] dib7000p_pid_filter_ctrl+0x20/0x90 [dib7000p] Mar 3 23:23:44 tuxshome kernel: [ 9295.515019] [<ffffffffa0376221>] dvb_usb_ctrl_feed+0x151/0x170 [dvb_usb] Mar 3 23:23:44 tuxshome kernel: [ 9295.515032] [<ffffffffa02cd75b>] dmx_ts_feed_start_filtering+0x5b/0xe0 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515045] [<ffffffffa02c9e3a>] dvb_dmxdev_start_feed+0xca/0x140 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515053] [<ffffffffa02cb60e>] dvb_dmxdev_filter_start+0x27e/0x3f0 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515065] [<ffffffffa02cbe54>] dvb_demux_do_ioctl+0x564/0x6e0 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515075] [<ffffffffa02c9c37>] dvb_usercopy+0xb7/0x1b0 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515083] [<ffffffffa02ca430>] dvb_demux_ioctl+0x10/0x20 [dvb_core] Mar 3 23:23:44 tuxshome kernel: [ 9295.515092] [<ffffffff81163468>] do_vfs_ioctl+0x88/0x300 Mar 3 23:23:44 tuxshome kernel: [ 9295.515098] [<ffffffff81163760>] sys_ioctl+0x80/0xa0 Mar 3 23:23:44 tuxshome kernel: [ 9295.515105] [<ffffffff81002f8b>] system_call_fastpath+0x16/0x1b Mar 3 23:23:44 tuxshome kernel: [ 9295.515112] [<00007f09e3049ce7>] 0x7f09e3049ce7 Mar 3 23:23:44 tuxshome kernel: [ 9295.515115] Code: 74 e9 48 89 c7 eb d1 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 89 d6 41 55 49 89 f5 41 54 55 53 48 89 fb 48 83 ec 08 <48> 8b 47 10 48 83 38 00 0f 84 e6 00 00 00 65 48 8b 04 25 80 b5 Mar 3 23:23:44 tuxshome kernel: [ 9295.515139] RIP [<ffffffff813d5b27>] i2c_transfer+0x17/0x140 Mar 3 23:23:45 tuxshome kernel: [ 9295.515143] RSP <ffff88014995dbe8> Mar 3 23:23:45 tuxshome kernel: [ 9295.515145] CR2: 0000000000000012 Mar 3 23:23:45 tuxshome kernel: [ 9295.515179] ---[ end trace 19725230d80fab0e ]--- In openSUSE 11.3 it was working. I tried the Kernel from Kernel:linux-next and Kernel:openSUSE-11.3 but the same error occures Reproducible: Always -- 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.