Hi,
I am also experiencing this problem. I'm using this card with Mythtv.
Whilst setting up the system it happened a few times as I was watching
live TV and changing through the channels rapidly. I don't use the
system to watch live TV normally and since then everything had been
working without problems until last night the system needed to go from
recording two channels simultaneously immediately into recording two
different channels simultaneously as seen from the log entry below.
87 681 scheduler 5 0 2006-11-20 21:00:03
telly.home.com Started recording Disappearing Britain "1/3 -
Beside the Seaside with Sarah Lancashire": channel 2510 on cardid 4,
sourceid 2
88 680 scheduler 5 0 2006-11-20 21:00:03
telly.home.com Started recording Lock Them Up or Let Them Out
"3/3": channel 1503 on cardid 3, sourceid 1
89 679 scheduler 5 0 2006-11-20 21:00:00
telly.home.com Finished recording University Challenge: channel 2508
90 678 scheduler 5 0 2006-11-20 21:00:00
telly.home.com Finished recording The Day of the Triffids "2/6":
channel 1540
At this point the USB disconnected on one of the channels and the system
failed to reconnect correctly. The system has to have a cold reboot to
re-establish the connection and start recording again.
Jon
Nov 20 21:00:03 telly kernel: dvb-usb: error while enabling fifo.
Nov 20 21:00:03 telly kernel: usb 3-1: USB disconnect, address 2
Nov 20 21:00:03 telly kernel: mt2060 I2C write failed
Nov 20 21:00:03 telly kernel: mt2060 I2C write failed
Nov 20 21:00:03 telly kernel: dvb-usb: Hauppauge Nova-T 500 Dual DVB-T successfully deinitialized and disconnected.
Nov 20 21:00:03 telly kernel: usb 3-1: new high speed USB device using ehci_hcd and address 3
Nov 20 21:00:03 telly kernel: usb 3-1: configuration #1 chosen from 1 choice
Nov 20 21:00:03 telly kernel: dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in warm state.
Nov 20 21:00:03 telly kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
Nov 20 21:00:03 telly kernel: DVB: registering new adapter (Hauppauge Nova-T 500 Dual DVB-T).
Nov 20 21:00:03 telly kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 0000002c
Nov 20 21:00:03 telly kernel: printing eip:
Nov 20 21:00:03 telly kernel: f8a572b0
Nov 20 21:00:03 telly kernel: *pde = 37a39001
Nov 20 21:00:03 telly kernel: Oops: 0000 [#1]
Nov 20 21:00:03 telly kernel: Modules linked in: nls_iso8859_15 udf vfat fat sg scsi_mod nfsd exportfs lockd nfs_acl sunrpc raw ipv6 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd_page_alloc snd soundcore forcedeth af_packet tsdev eth1394 ide_cd ohci1394 ieee1394 mt2060 loop amd64_agp usbmouse agpgart usbkbd video thermal processor fan container button battery usbhid asus_acpi dvb_usb_dib0700 dib7000m dib7000p dvb_usb dvb_core ac firmware_class dvb_pll dib3000mc dibx000_common i2c_core uhci_hcd ehci_hcd ohci_hcd usbcore
Nov 20 21:00:03 telly kernel: CPU: 0
Nov 20 21:00:03 telly kernel: EIP: 0060:[pg0+946041520/1069409280] Not tainted VLI
Nov 20 21:00:03 telly kernel: EIP: 0060:[<f8a572b0>] Not tainted VLI
Nov 20 21:00:03 telly kernel: EFLAGS: 00010246 (2.6.18.2 #1)
Nov 20 21:00:03 telly kernel: EIP is at dvb_dvr_poll+0x40/0xb0 [dvb_core]
Nov 20 21:00:03 telly kernel: eax: 00000001 ebx: 00000106 ecx: 00000030 edx: c32d3f00
Nov 20 21:00:03 telly kernel: esi: 00000000 edi: e65b6240 ebp: c32d3c04 esp: c32d3bec
Nov 20 21:00:03 telly kernel: ds: 007b es: 007b ss: 0068
Nov 20 21:00:04 telly kernel: Process mythbackend (pid: 31065, ti=c32d2000 task=df814030 task.ti=c32d2000)
Nov 20 21:00:04 telly kernel: Stack: 02887d1d c0124220 df814030 c32d3e84 c32d3e8c e65b6240 c32d3f94 c0174e63
Nov 20 21:00:04 telly kernel: e65b6240 00000000 00000008 00000000 00000008 9819140c 00000000 c32d3e84
Nov 20 21:00:04 telly kernel: c32d3e84 00000000 c32d3e94 c32d2000 c32d3e84 00000000 c0174c50 00000000
Nov 20 21:00:04 telly kernel: Call Trace:
Nov 20 21:00:04 telly kernel: [show_stack_log_lvl+182/256] show_stack_log_lvl+0xb6/0x100
Nov 20 21:00:04 telly kernel: [<c01040f6>] show_stack_log_lvl+0xb6/0x100
Nov 20 21:00:04 telly kernel: [show_registers+431/576] show_registers+0x1af/0x240
Nov 20 21:00:04 telly kernel: [<c01042ef>] show_registers+0x1af/0x240
Nov 20 21:00:04 telly kernel: [die+242/560] die+0xf2/0x230
Nov 20 21:00:04 telly kernel: [<c01047a2>] die+0xf2/0x230
Nov 20 21:00:04 telly kernel: [do_page_fault+811/1724] do_page_fault+0x32b/0x6bc
Nov 20 21:00:04 telly kernel: [<c01160ab>] do_page_fault+0x32b/0x6bc
Nov 20 21:00:04 telly kernel: [error_code+57/64] error_code+0x39/0x40
Nov 20 21:00:05 telly kernel: [<c0103941>] error_code+0x39/0x40
Nov 20 21:00:05 telly kernel: [do_sys_poll+291/1200] do_sys_poll+0x123/0x4b0
Nov 20 21:00:05 telly kernel: [<c0174e63>] do_sys_poll+0x123/0x4b0
Nov 20 21:00:05 telly kernel: [sys_poll+57/128] sys_poll+0x39/0x80
Nov 20 21:00:05 telly kernel: [<c0175499>] sys_poll+0x39/0x80
Nov 20 21:00:05 telly kernel: [sysenter_past_esp+86/121] sysenter_past_esp+0x56/0x79
Nov 20 21:00:05 telly kernel: [<c0102e79>] sysenter_past_esp+0x56/0x79
Nov 20 21:00:05 telly kernel: Code: 8b 47 74 8b 70 28 a1 88 7d a6 f8 85 c0 75 4d 85 db 89 f1 0f 95 c2 83 c1 30 0f 95 c0 84 d0 75 6b f6 47 18 03 bb 06 01 00 00 75 22 <8b> 46 2c 83 f8 01 8d 46 1c 19 db 89 04 24 f7 d3 e8 7b 95 00 00
Nov 20 21:00:05 telly kernel: EIP: [pg0+946041520/1069409280] dvb_dvr_poll+0x40/0xb0 [dvb_core] SS:ESP 0068:c32d3bec
Nov 20 21:00:05 telly kernel: EIP: [<f8a572b0>] dvb_dvr_poll+0x40/0xb0 [dvb_core] SS:ESP 0068:c32d3bec
Nov 20 21:00:05 telly kernel: DVB: registering frontend 0 (DiBcom 3000MC/P)...
Nov 20 21:00:05 telly kernel: MT2060: successfully identified (IF1 = 1220)
Nov 20 21:00:05 telly kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
Nov 20 21:00:05 telly kernel: DVB: registering new adapter (Hauppauge Nova-T 500 Dual DVB-T).
Nov 20 21:00:05 telly kernel: DVB: registering frontend 1 (DiBcom 3000MC/P)...
Nov 20 21:00:05 telly kernel: MT2060: successfully identified (IF1 = 1220)
Nov 20 21:00:05 telly kernel: dvb-usb: Hauppauge Nova-T 500 Dual DVB-T successfully initialized and connected.
Nov 20 21:00:05 telly pam_console.dev[31258]: Restoring console permissions for /dev/dvb/adapter0/demux0
Nov 20 21:00:05 telly pam_console.dev[31315]: Restoring console permissions for /dev/usbdev3.3
Nov 20 21:00:05 telly pam_console.dev[31276]: Restoring console permissions for /dev/dvb/adapter1/frontend0
Nov 20 21:00:05 telly pam_console.dev[31266]: Restoring console permissions for /dev/dvb/adapter0/net0
Nov 20 21:00:05 telly pam_console.dev[31262]: Restoring console permissions for /dev/dvb/adapter0/dvr0
Nov 20 21:00:05 telly pam_console.dev[31304]: Restoring console permissions for /dev/dvb/adapter1/dvr0
Nov 20 21:00:05 telly pam_console.dev[31333]: Restoring console permissions for /dev/dvb/adapter1/demux0
Nov 20 21:00:05 telly pam_console.dev[31344]: Restoring console permissions for /dev/dvb/adapter1/net0
Nov 20 21:00:05 telly pam_console.dev[31287]: Restoring console permissions for /dev/dvb/adapter0/frontend0
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