[linux-dvb] Cinergy T2 Kernel Oops on Linkstation Live V1 (Marvel Orion ARM Architecture)

Ingo Peukes admin at ipnetwork.de
Mon May 5 11:40:56 CEST 2008


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





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