This patch should pass the 2nd test case of this bug. The Broadcom driver can only handle strict open->close sequences, not in parallel or subsequent open() before HANDLE close(), so using the usual multithreaded or faulty apps will crash the kernel due to missing !ctx->hw_ctx exception catchers: [545486.745240] crystalhd 0000:03:00.0: Closing user[0] handle with mode ffffffff [545486.832451] BUG: unable to handle kernel NULL pointer dereference at 00000000000002c8 [545486.832525] IP: [] bc_cproc_reg_rd+0x3b/0x50 [crystalhd] [545486.832587] PGD 4508067 PUD fb7c067 PMD 0 [545486.832624] Oops: 0000 [#1] PREEMPT SMP [545486.832660] CPU 0 [545486.832676] Modules linked in: crystalhd(O) udf crc_itu_t sr_mod cdrom nfs fscache uinput parport_pc ppdev lp parport bluetooth nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs acpi_cpufreq mperf cpufreq_powersave cpufreq_stats cpufreq_conservative cpufreq_performance cpufreq_ondemand freq_table fuse dm_mod ext3 jbd pciehp arc4 ath5k ath mac80211 snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_usb_audio cfg80211 snd_pcm_oss snd_mixer_oss snd_hwdep snd_usbmidi_lib snd_pcm thinkpad_acpi [545486.833129] crystalhd_hw_stats: Invalid Arguments [545486.833014] snd_seq_dummy snd_seq_oss rfkill snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq gspca_zc3xx pcmcia gspca_main snd_timer tpm_tis snd_seq_device videodev psmouse tpm usb_storage yenta_socket snd pcmcia_rsrc tpm_bios i2c_i801 nvram v4l2_compat_ioctl32 pcmcia_core soundcore snd_page_alloc rtc_cmos wmi pcspkr serio_raw processor battery ac evdev nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_limit xt_tcpudp iptable_filter ip_tables x_tables ext4 mbcache jbd2 crc16 usbhid hid sg sd_mod crc_t10dif ata_generic uhci_hcd xhci_hcd ahci libahci ata_piix libata thermal ehci_hcd atkbd usbcore e1000e usb_common [last unloaded: crystalhd] [545486.833014] [545486.833014] Pid: 27551, comm: matroskademux1: Tainted: G W O 3.2.37-dirty #8 LENOVO 7735Y1T/7735Y1T [545486.833014] RIP: 0010:[] [] bc_cproc_reg_rd+0x3b/0x50 [crystalhd] [545486.833014] RSP: 0018:ffff8800171f1e68 EFLAGS: 00010286 [545486.833014] RAX: 0000000000000000 RBX: ffff880011fc9800 RCX: 00000000fffffffc [545486.833014] RDX: 0000000000000000 RSI: 000000000034000c RDI: ffff88000ddd6e00 [545486.833014] RBP: ffff8800171f1e78 R08: 0000000000000001 R09: 0000000000000000 [545486.833014] R10: fffffffff3640327 R11: ffff880031fd45a0 R12: 0000000003054fb0 [545486.833014] R13: ffff880011fc9800 R14: 0000000000000000 R15: ffffffffa0765ad0 [545486.833014] FS: 00007fd179f36700(0000) GS:ffff88007f400000(0000) knlGS:0000000000000000 [545486.833014] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [545486.833014] CR2: 00000000000002c8 CR3: 0000000017098000 CR4: 00000000000006f0 [545486.833014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [545486.833014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [545486.833014] Process matroskademux1: (pid: 27551, threadinfo ffff8800171f0000, task ffff880031fd3ee0) [545486.833014] Stack: [545486.833014] 0000000000000000 ffff88000ddd6e00 ffff8800171f1ec8 ffffffffa0763da1 [545486.833014] 0000000000000000 00000000c2206202 ffff8800171f1ec8 ffff88000ddd6e00 [545486.833014] ffff88000ddd6ed0 00000000c2206202 0000000003054fb0 0000000000000000 [545486.833014] Call Trace: [545486.833014] [] chd_dec_api_cmd+0x81/0x100 [crystalhd] [545486.833014] [] chd_dec_ioctl+0x90/0x170 [crystalhd] [545486.833014] [] do_vfs_ioctl+0x9c/0x330 [545486.833014] [] ? fget_light+0x40/0x140 [545486.833014] [] ? trace_hardirqs_on_caller+0x11d/0x1b0 [545486.833014] [] sys_ioctl+0x4f/0x80 [545486.833014] [] system_call_fastpath+0x16/0x1b [545486.833014] Code: f3 48 85 f6 75 12 48 83 c4 08 b8 01 00 00 00 5b c9 c3 66 0f 1f 44 00 00 48 85 ff 74 e9 48 8b 87 80 00 00 00 8b 76 10 48 8b 7f 08 90 c8 02 00 00 89 43 14 48 83 c4 08 31 c0 5b c9 c3 0f 1f 00 [545486.833014] RIP [] bc_cproc_reg_rd+0x3b/0x50 [crystalhd] [545486.833014] RSP [545486.833014] CR2: 00000000000002c8 [545486.860403] ---[ end trace 32f093356a8be591 ]--- [545486.836574] BUG: unable to handle kernel NULL pointer dereference at 0000000000000084 [545486.836574] IP: [] do_raw_spin_lock+0x1e/0x140 [545486.836574] PGD 4508067 PUD fb7c067 PMD 0 [545486.836574] Oops: 0000 [#2] PREEMPT SMP [545486.836574] CPU 1 [545486.836574] Modules linked in: crystalhd(O) udf crc_itu_t sr_mod cdrom nfs fscache uinput parport_pc ppdev lp parport bluetooth nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs acpi_cpufreq mperf cpufreq_powersave cpufreq_stats cpufreq_conservative cpufreq_performance cpufreq_ondemand freq_table fuse dm_mod ext3 jbd pciehp arc4 ath5k ath mac80211 snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_usb_audio cfg80211 snd_pcm_oss snd_mixer_oss snd_hwdep snd_usbmidi_lib snd_pcm thinkpad_acpi snd_seq_dummy snd_seq_oss rfkill snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq gspca_zc3xx pcmcia gspca_main snd_timer tpm_tis snd_seq_device videodev psmouse tpm usb_storage yenta_socket snd pcmcia_rsrc tpm_bios i2c_i801 nvram v4l2_compat_ioctl32 pcmcia_core soundcore snd_page_alloc rtc_cmos wmi pcspkr serio_raw processor battery ac evdev nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_limit xt_tcpudp iptable_filter ip_ta bles x_tables ext4 mbcache jbd2 crc16 usbhid hid sg sd_mod crc_t10dif ata_generic uhci_hcd xhci_hcd ahci libahci ata_piix libata thermal ehci_hcd atkbd usbcore e1000e usb_common [last unloaded: crystalhd] [545486.836574] [545486.836574] Pid: 27553, comm: matroskademux1: Tainted: G D W O 3.2.37-dirty #8 LENOVO 7735Y1T/7735Y1T [545486.836574] RIP: 0010:[] [] do_raw_spin_lock+0x1e/0x140 [545486.836574] RSP: 0018:ffff8800045c9dc8 EFLAGS: 00010082 [545486.836574] RAX: ffff880011f65e50 RBX: 0000000000000080 RCX: 0000000000000000 [545486.836574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000080 [545486.836574] RBP: ffff8800045c9de8 R08: 0000000000000000 R09: 0000000000000001 [545486.836574] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000282 [545486.836574] R13: ffff8800045c9e28 R14: 0000000000000000 R15: ffffffffa07662a0 [545486.836574] FS: 00007fd179530700(0000) GS:ffff88007f500000(0000) knlGS:0000000000000000 [545486.836574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [545486.836574] CR2: 0000000000000084 CR3: 0000000017098000 CR4: 00000000000006e0 [545486.836574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [545486.836574] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [545486.836574] Process matroskademux1: (pid: 27553, threadinfo ffff8800045c8000, task ffff880011f65e50) [545486.836574] Stack: [545486.836574] 0000000000000080 0000000000000282 ffff8800045c9e28 0000000000000000 [545486.836574] ffff8800045c9e18 ffffffff81492ece ffffffffa0766374 0000000000000000 [545486.836574] ffff880011fcbc00 ffff88000ddd6ec0 ffff8800045c9e78 ffffffffa0766374 [545486.836574] Call Trace: [545486.836574] [] _raw_spin_lock_irqsave+0x4e/0x60 [545486.836574] [] ? bc_cproc_get_stats+0xd4/0x2b0 [crystalhd] [545486.836574] [] bc_cproc_get_stats+0xd4/0x2b0 [crystalhd] [545486.836574] [] ? chd_dec_proc_user_data+0x65/0x270 [crystalhd] [545486.836574] [] chd_dec_api_cmd+0x81/0x100 [crystalhd] [545486.836574] [] chd_dec_ioctl+0x90/0x170 [crystalhd] [545486.836574] [] do_vfs_ioctl+0x9c/0x330 [545486.836574] [] ? fget_light+0x40/0x140 [545486.836574] [] ? trace_hardirqs_on_caller+0x20/0x1b0 [545486.836574] [] sys_ioctl+0x4f/0x80 [545486.836574] [] system_call_fastpath+0x16/0x1b [545486.836574] Code: eb 8b 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 20 48 89 1c 24 4c 89 64 24 08 4c 89 6c 24 10 4c 89 74 24 18 48 89 fb <81> 7f 04 ad 4e ad de 0f 85 d2 00 00 00 65 48 8b 04 25 00 b6 00 [545486.836574] RIP [] do_raw_spin_lock+0x1e/0x140 [545486.836574] RSP [545486.836574] CR2: 0000000000000084 [545486.836574] ---[ end trace 32f093356a8be592 ]--- [545486.860850] note: matroskademux1:[27553] exited with preempt_count 1 The patch will prevent accessing nonexistant driver instances but gstreamer will fail, but totem-gstreamer OK with it: Feb 1 02:14:11 tom3 kernel: [ 713.297215] crystalhd 0000:03:00.0: Opening new user[0] handle Feb 1 02:14:12 tom3 kernel: [ 713.552294] crystalhd 0000:03:00.0: Closing user[0] handle with mode ffffffff Feb 1 02:14:12 tom3 kernel: [ 713.756852] crystalhd 0000:03:00.0: Opening new user[0] handle Feb 1 02:14:12 tom3 kernel: [ 713.757000] crystalhd 0000:03:00.0: Opening new user[0] handle Feb 1 02:14:12 tom3 kernel: [ 713.757086] crystalhd 0000:03:00.0: Closing user[0] handle with mode ffffffff Feb 1 02:14:12 tom3 kernel: [ 713.758074] crystalhd 0000:03:00.0: Opening new user[0] handle Feb 1 02:14:12 tom3 kernel: [ 714.011311] crystalhd 0000:03:00.0: Closing user[0] handle with mode ffffffff Feb 1 02:14:12 tom3 kernel: [ 714.092062] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.094653] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.096877] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.099108] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.101308] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.103516] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.105788] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.108209] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.110543] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.112902] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.115448] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.117792] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.120130] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.122453] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.124742] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.126979] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.129194] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.131377] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.133582] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.135812] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.138164] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.140509] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.142820] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.145174] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.147475] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.149903] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.152618] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.154957] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.157631] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.159962] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.162588] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.164878] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.167105] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.169320] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.171507] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.173748] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.175952] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.178202] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.180469] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.182766] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.186970] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.189621] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.192253] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.194577] crystalhd 0000:03:00.0: bc_cproc_get_stats: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.195362] crystalhd_hw_setup_dma_rings: Invalid Arguments Feb 1 02:14:12 tom3 kernel: [ 714.197048] crystalhd 0000:03:00.0: bc_cproc_flush_cap_buffs: Invalid Arg Feb 1 02:14:12 tom3 kernel: [ 714.202175] crystalhd 0000:03:00.0: Closing user[0] handle via ioctl with mode 1c200 Feb 1 02:14:12 tom3 kernel: [ 714.202181] crystalhd_hw_stop_capture: Invalid Arguments Feb 1 02:14:12 tom3 kernel: [ 714.202184] crystalhd_hw_free_dma_rings: Invalid Arguments Feb 1 02:14:12 tom3 kernel: [ 714.202267] crystalhd_hw_close: Invalid Arguments schorpp@tom3:~$ transmageddon Traceback (most recent call last): File "transmageddon.py", line 676, in on_presetchoice_changed self.devicename= self.presetchoices[presetchoice] KeyError: 'Keine Voreinstellungen' Running DIL (3.22.0) Version DtsDeviceOpen: Opening HW in mode 0 DtsDevRegisterRead: Ioctl failed: 1 DtsDevRegisterWr: Ioctl failed: 1 DtsDevRegisterWr: Ioctl failed: 1 Clock set to 180 DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsDevRegisterRead: Ioctl failed: 1 DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsGetDriveStats: Ioctl failed: 1 txThreadProc: Got status 1 from GetDriverStatus DtsNotifyMode: Ioctl failed: 1 Notify Operating Mode Failed DtsAllocIoctlData Error Unable to detach from Dil shared memory ... DtsDelDilShMem:Unable get shmid ... Stream with high frequencies VQ coding /usr/bin/transmageddon: Zeile 3: 6499 Speicherzugriffsfehler python transmageddon.py schorpp@tom3:~$ This is a quick&dirty hack emergency critical bug fix only! May break other apps than totem, ffmpeg, mplayer, be warned! -------------------------- Patch attached. crystalhd git.linuxtv.org kernel driver: FIX MORE null pointer BUGs triggered by multithreaded or faulty apps Signed-off-by: Thomas Schorpp y tom