Hello everyone... a few days ago I bought e Pinnacle PCTV200e to try if it works with my Linkstation. After getting some drivers for it from here: http://ubuntuforums.org/showthread.php?t=511676&page=8 As result I just got the same kernel oops, only triggered by the dvb_usb module instead of the cinergyT2 one. Today I found a patch sent to this list on 01/20/2008 by Michele Scorcia. Although it is for kernel 2.6.20.4 and written to fix a problem on a mips platform the description of the problem came close to mine. So I applied it to the usb-urb.c from the above archive and built the modules. After that the oops was gone and the PCTV runs without problems. The cinergy driver still triggers the oops but i think that's normal cause it does not use the dvb-usb module and would need a separate patch. The new cinergyT2 driver from Tomi Orava works just fine so I give it a chance instead of fixing the old one. Another reason for this is that I tried both receivers on my desktop with the same kernel and v4l-dvb sources as I use on the Linkstation and couldn't make them run both at the same time. dmesg shows no errors but w_scan hangs when both drivers are loaded. Either receiver alone works great but together none does. This problem does not exist with the new driver. Here's the patch I use, only difference to the one from Michele Scorcia are the line numbers: --- v4l-dvb/linux/drivers/media/dvb/dvb-usb/usb-urb.c 2008-05-05 09:12:09.000000000 +0200 +++ v4l-dvb-hardy-2daeefda69fe/linux/drivers/media/dvb/dvb-usb/usb-urb.c 2008-05-08 16:59:22.000000000 +0200 @@ -156,7 +156,8 @@ stream->props.u.bulk.buffersize, usb_urb_complete, stream); - stream->urb_list[i]->transfer_flags = 0; + stream->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + stream->urb_list[i]->transfer_dma = stream->dma_addr[i]; stream->urbs_initialized++; } return 0; Would be great if this oops cause for arm and mips and maybe others could be fixed in the v4l-dvb source. Many thanks to Michele Scorcia for finding and fixing the problem :) Greetings Ingo Peukes Ingo Peukes wrote: > Hello all, > > I have a Cinergy T2 Usb Box connected to my Linkstation NAS running > Debian Testing armel > and a 2.6.25.1 vanilla Kernel. > the Cinergy module loads just fine but when I try to tune a channel I > get a kernel Oops ( see below ). > What I've tried so far: > asking the google crystal ball... no realy good answer... > > different kernel: > vanilla 2.6.25.1 > orion git repositry > > used this kernels with hg repositries of > v4l-dvb and v4l-dvb-experimental > > > This is the output of a w_scan run: > > mythvdr:/usr/src/w_scan-20080105# ./w_scan > w_scan version 20080105 > Info: using DVB adapter auto detection. > Found DVB-T frontend. Using adapter /dev/dvb/adapter0/frontend0 > -_-_-_-_ Getting frontend capabilities-_-_-_-_ > frontend TerraTec/qanu USB2.0 Highspeed DVB-T Receiver supports > INVERSION_AUTO > QAM_AUTO > TRANSMISSION_MODE_AUTO > GUARD_INTERVAL_AUTO > HIERARCHY_AUTO > FEC_AUTO > -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ > 177500: > 184500: > 191500: > 198500: > 205500: > 212500: > 219500: > 226500: > 474000: no signal(0x07) > 482000: > 490000: > 498000: > 506000: signal ok (I999B8C999D999M999T999G999Y999) > 514000: > 522000: > 530000: > 538000: signal ok (I999B8C999D999M999T999G999Y999) > 546000: > 554000: > 562000: > 570000: > 578000: > 586000: signal ok (I999B8C999D999M999T999G999Y999) > 594000: > 602000: > 610000: > 618000: > 626000: > 634000: > 642000: > 650000: > 658000: > 666000: > 674000: > 682000: > 690000: signal ok (I999B8C999D999M999T999G999Y999) > 698000: > 706000: > 714000: > 722000: > 730000: > 738000: > 746000: signal ok (I999B8C999D999M999T999G999Y999) > 754000: > 762000: signal ok (I999B8C999D999M999T999G999Y999) > 770000: > 778000: > 786000: > 794000: > 802000: > 810000: > 818000: > 826000: > 834000: > 842000: > 850000: > 858000: > tune to: :506000:I999B8C999D999M999T999G999Y999:T:27500: > > here w_scan stops responding, no CTRL-C or kill can remove the process > > and this is what I get on the serial console: > > usb 2-1: new high speed USB device using orion-ehci and address 2/ttusb-budg > usb 2-1: configuration #1 chosen from 1 choice > usb 2-1: New USB device found, idVendor=0ccd, idProduct=0038 > usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 2-1: Product: Cinergy T > usb 2-1: Manufacturer: TerraTec GmbH > DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver) > input: TerraTec/qanu USB2.0 Highspeed DVB-T Receiver remote control as > /class/input/input0 > usbcore: registered new interface driver cinergyT2 > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > pgd = c5b3c000 > [00000000] *pgd=05bfa031, *pte=00000000, *ppte=00000000 > Internal error: Oops: 817 [#1] PREEMPT > Modules linked in: evdev cinergyT2 dvb_core > CPU: 0 Not tainted (2.6.25.1 #3) > PC is at dma_cache_maint+0x40/0x88 > LR is at usb_hcd_submit_urb+0x14c/0x894 > pc : [<c002f08c>] lr : [<c02909c8>] psr: 20000013 > sp : c5ae3c90 ip : c5ae3ca0 fp : c5ae3c9c > r10: c758cae8 r9 : 00000000 r8 : 00000020 > r7 : c758dc00 r6 : c758cae0 r5 : 00000002 r4 : ffc50000 > r3 : 00000000 r2 : 00000002 r1 : ffc50200 r0 : ffc50000 > Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: a005317f Table: 05b3c000 DAC: 00000015 > Process w_scan (pid: 7384, stack limit = 0xc5ae2268) > Stack: (0xc5ae3c90 to 0xc5ae4000) > 3c80: c5ae3d54 c5ae3ca0 c02909c8 > c002f05c > 3ca0: c758dc00 c18f9c19 000000d2 c0411180 c5ae3d1c c5ae3cc0 c0072680 > c003b5c8 > 3cc0: 00000044 00000001 c5ae2000 00000000 00000000 00000044 c0411184 > 00000000 > 3ce0: c5ae2000 00000000 00000001 00000000 20000013 00000001 000000d2 > c0411180 > 3d00: 00000000 00000000 00100002 c7c3b3a0 c5ae3d74 c5ae3d20 c00728c0 > c00723a8 > 3d20: 00000000 00000000 c0411184 c69f4000 00000002 00000000 00000020 > 00000000 > 3d40: c648ee70 c067e26c c5ae3d74 c5ae3d58 c0291494 c029088c c067e000 > c067e000 > 3d60: 00000000 c067e1d8 c5ae3d8c c5ae3d78 bf014280 c0291264 ffffffff > c067e000 > 3d80: c5ae3dac c5ae3d90 bf0143f4 bf014244 c067e000 c067e1e8 00000000 > c067e1d8 > 3da0: c5ae3dcc c5ae3db0 bf014590 bf0143e0 c0084814 c8900000 c067e000 > 00000000 > 3dc0: c5ae3df4 c5ae3dd0 bf003f94 bf014548 000010dc 00000000 c8a15000 > 00000000 > 3de0: c8a15004 c067e230 c5ae3e34 c5ae3df8 bf0016e8 bf003e90 c009be90 > 00000000 > 3e00: c5ae3e2c c5ae3e10 c00941d0 c01d55a8 c8a15038 c8a15000 c5ae3e68 > 00000000 > 3e20: c8a1506c c067e26c c5ae3e5c c5ae3e38 bf001adc bf001464 bedf6b9c > c5ae3e68 > 3e40: 0000403c 403c6f2b 00000001 00000000 c5ae3f14 c5ae3e60 bf0001b0 > bf0018e0 > 3e60: bf012a48 c77d1240 00000000 00000000 00000000 00000000 00000000 > 00000000 > 3e80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 > 3ea0: 00000005 c5ae3eb0 c008f6e4 c0074bbc c77d1240 c5ae3f00 ffffff9c > 00000004 > 3ec0: c5a6d000 00000000 c5ae3ef4 c5ae3ed8 c008f7e4 c008f590 00000000 > c5a6d000 > 3ee0: c5ae2000 00000002 c5ae3f64 c77d1240 bedf6b9c 403c6f2b c77d1240 > c0028c28 > 3f00: c5ae2000 00000000 c5ae3f2c c5ae3f18 bf000e40 bf0000dc bf0018d0 > 00000000 > 3f20: c5ae3f4c c5ae3f30 c009e6f0 bf000e34 40000013 c648ee70 c77d1240 > bedf6b9c > 3f40: c5ae3f7c c5ae3f50 c009e9d4 c009e684 c77d1240 00000004 c5ae3f94 > 00000004 > 3f60: bedf6b9c 403c6f2b c0028c28 c5ae2000 c5ae3fa4 c5ae3f80 c009ea34 > c009e71c > 3f80: 00000005 00000000 bedf74fc 0001a2f4 00000000 00000036 00000000 > c5ae3fa8 > 3fa0: c0028a80 c009ea04 bedf74fc 0001a2f4 00000004 403c6f2b bedf6b9c > 00000005 > 3fc0: bedf74fc 0001a2f4 00000000 00000036 00000001 00000000 bedf7bd4 > 0001a250 > 3fe0: 0001a180 bedf6b90 0000a7e4 400e210c a0000010 00000004 00000000 > 00000000 > Backtrace: > [<c002f04c>] (dma_cache_maint+0x0/0x88) from [<c02909c8>] > (usb_hcd_submit_urb+0x14c/0x894) > [<c029087c>] (usb_hcd_submit_urb+0x0/0x894) from [<c0291494>] > (usb_submit_urb+0x240/0x25c) > [<c0291254>] (usb_submit_urb+0x0/0x25c) from [<bf014280>] > (cinergyt2_submit_stream_urb+0x4c/0xa4 [cinergyT2]) > r7:c067e1d8 r6:00000000 r5:c067e000 r4:c067e000 > [<bf014234>] (cinergyt2_submit_stream_urb+0x0/0xa4 [cinergyT2]) from > [<bf0143f4>] (cinergyt2_start_stream_xfer+0x24/0xa0 [cinergyT2]) > r4:c067e000 > [<bf0143d0>] (cinergyt2_start_stream_xfer+0x0/0xa0 [cinergyT2]) from > [<bf014590>] (cinergyt2_start_feed+0x58/0x7c [cinergyT2]) > r7:c067e1d8 r6:00000000 r5:c067e1e8 r4:c067e000 > [<bf014538>] (cinergyt2_start_feed+0x0/0x7c [cinergyT2]) from > [<bf003f94>] (dmx_section_feed_start_filtering+0x114/0x19c [dvb_core]) > r6:00000000 r5:c067e000 r4:c8900000 > [<bf003e80>] (dmx_section_feed_start_filtering+0x0/0x19c [dvb_core]) > from [<bf0016e8>] (dvb_dmxdev_filter_start+0x294/0x47c [dvb_core]) > r8:c067e230 r7:c8a15004 r6:00000000 r5:c8a15000 r4:00000000 > [<bf001454>] (dvb_dmxdev_filter_start+0x0/0x47c [dvb_core]) from > [<bf001adc>] (dvb_demux_do_ioctl+0x20c/0x478 [dvb_core]) > [<bf0018d0>] (dvb_demux_do_ioctl+0x0/0x478 [dvb_core]) from [<bf0001b0>] > (dvb_usercopy+0xe4/0x170 [dvb_core]) > [<bf0000cc>] (dvb_usercopy+0x0/0x170 [dvb_core]) from [<bf000e40>] > (dvb_demux_ioctl+0x1c/0x28 [dvb_core]) > [<bf000e24>] (dvb_demux_ioctl+0x0/0x28 [dvb_core]) from [<c009e6f0>] > (vfs_ioctl+0x7c/0x98) > [<c009e674>] (vfs_ioctl+0x0/0x98) from [<c009e9d4>] > (do_vfs_ioctl+0x2c8/0x2e8) > r6:bedf6b9c r5:c77d1240 r4:c648ee70 > [<c009e70c>] (do_vfs_ioctl+0x0/0x2e8) from [<c009ea34>] > (sys_ioctl+0x40/0x64) > r9:c5ae2000 r8:c0028c28 r6:403c6f2b r5:bedf6b9c r4:00000004 > [<c009e9f4>] (sys_ioctl+0x0/0x64) from [<c0028a80>] > (ret_fast_syscall+0x0/0x2c) > r7:00000036 r6:00000000 r5:0001a2f4 r4:bedf74fc > Code: 9a000001 e15c0003 3a000001 e3a03000 (e5833000) > ---[ end trace ed5fadb8ba4b59e4 ]--- > > At this point the serial console becomes a one way connection, I get > output but it doesn't take input anymore. > ssh logins to the box are still possible and also init 6 works and the > box does a clean reboot. > Additional information: the Cinergy works fine when attached to my AMD64 > Desktop running debian etch and the debian > kernel 2.6.18-6-amd64 > it also works on my NSLU2 NAS running debian etch for ARM and kernel > 2.6.18-6-ixp4xx > I tried to compile this debian kernel for the Linkstation but it did not > boot... will try to find out what's wrong > but would rather use the vanilla kernel. > > I hope I gathered all needed informations to help me fix this problem. > > Greetings > Ingo > > > > _______________________________________________ > linux-dvb mailing list > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
