Op 8 okt 2008, om 01:10 heeft Kimmo Jukarainen het volgende geschreven:
On Tue, Oct 07, 2008 at 09:03:42PM +0200, Koen Kooi wrote:Is this a problem with MUSB, omap dma or the dvb stack?I'd say dvb stack. This small patch fixed my dvb-t stick with a omap2 board: http://www.linuxtv.org/pipermail/linux-dvb/2008-January/023040.html
Thanks! Sadly I still get this after applying that patch: w_scan output: 826000: signal ok (I999B8C999D999M999T999G999Y999) 834000: 842000: 850000: 858000: tune to: :482000:I999B8C999D999M999T999G999Y999:T:27500: kernel output:Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = cee44000 [00000000] *pgd=8f9dc031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1]Modules linked in: mt2060 dvb_usb_dib0700 dib7000p dib7000m dvb_usb dvb_core dib3000mc dibx000_common dib0070 ipv6
CPU: 0 Not tainted (2.6.27-rc7-omap1 #1) PC is at dma_cache_maint+0x40/0xa4 LR is at usb_hcd_submit_urb+0x164/0x870 pc : [<c00386cc>] lr : [<c01eae34>] psr: 20000013 sp : cedbbca0 ip : cedbbcb0 fp : cedbbcac r10: ce24a968 r9 : 00000020 r8 : 00000000 r7 : 00000000 r6 : cf953800 r5 : ce24a960 r4 : ffc47000 r3 : 00000000 r2 : 00000002 r1 : ffc50a38 r0 : ffc47000 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387f Table: 8ee44018 DAC: 00000015 Process w_scan (pid: 1693, stack limit = 0xcedba2e8) Stack: (0xcedbbca0 to 0xcedbc000)bca0: cedbbd64 cedbbcb0 c01eae34 c0038698 c00822fc c0080b60 00000044 ced92220 bcc0: cedbbd04 00000000 c0442ce4 00000000 00000000 00000001 00000000 cedba000 bce0: c0442524 c0442524 cedbbd14 c0442ce4 000000d2 c0442ce0 00000000 cef65980 bd00: d098606c 000000ef cedbbd74 cedbbd18 c0082700 c0082248 00000001 00000000 bd20: cf815eb8 c0651900 d09ae000 c0007420 cedbbd74 c00931cc 00000000 cec42c00 bd40: 00000002 00000020 00000000 00000010 d098606c ced247a4 cedbbd84 cedbbd68 bd60: c01eb8bc c01eacdc ced24a54 ced24a54 00000001 00000000 cedbbda4 cedbbd88 bd80: bf05aaa4 c01eb694 ced2472c d0872000 00000001 00000001 cedbbdc4 cedbbda8 bda0: bf05a120 bf05aa8c d0872000 ced247f8 00000000 ced249d0 cedbbdd4 cedbbdc8 bdc0: bf05a1c8 bf05a05c cedbbdf4 cedbbdd8 bf048448 bf05a1c0 00000000 d0986000 bde0: 00000000 d0986000 cedbbe3c cedbbdf8 bf046694 bf04834c 22222222 22222222 be00: 22222222 22222222 ce1322a0 403c6f2b d0986000 d0986008 d0986000 cedbbe78 be20: d0986010 00000010 d098606c ced247e0 cedbbe6c cedbbe40 bf046a04 bf04644c be40: cedbbe78 bec27b94 cedbbe78 0000403c 403c6f2b 00000001 cee1d440 00000000 be60: cedbbf24 cedbbe70 bf045204 bf046838 ce1322a0 ce1322a0 00000000 00000000 be80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 bea0: 00000000 00000000 00000000 00000000 00000005 c009d184 00000003 cedbbec8 bec0: 000192ec 00000002 00000026 0000a000 00000000 00000817 cf80ce20 cf6460d8 bee0: 00000817 cedbbfb0 bec27bf8 00000101 00000001 00000000 cedbbfac 403c6f2b bf00: bec27b94 00000004 ce1322a0 c0033e04 cedba000 339e1c80 cedbbf3c cedbbf28 bf20: bf045e60 bf045128 bf04682c 00000000 cedbbf54 cedbbf40 c00aa988 bf045e50 bf40: ce1322a0 bec27b94 cedbbf7c cedbbf58 c00aac08 c00aa92c cedbbf94 cedbbf68 bf60: 00000004 bec27b94 403c6f2b ce1322a0 cedbbfa4 cedbbf80 c00aac58 c00aa9a4 bf80: 00000005 00000000 bec284ec 00000000 000192fc 00000036 00000000 cedbbfa8 bfa0: c0033c80 c00aac24 bec284ec 00000000 00000004 403c6f2b bec27b94 00000005 bfc0: bec284ec 00000000 000192fc 00000036 00000001 bec28bcc 339e1c80 00000003 bfe0: 00019188 bec27b88 0000a2a4 400e199c a0000010 00000004 80675021 80675421
Backtrace:[<c003868c>] (dma_cache_maint+0x0/0xa4) from [<c01eae34>] (usb_hcd_submit_urb+0x164/0x870) [<c01eacd0>] (usb_hcd_submit_urb+0x0/0x870) from [<c01eb8bc>] (usb_submit_urb+0x234/0x250) [<c01eb688>] (usb_submit_urb+0x0/0x250) from [<bf05aaa4>] (usb_urb_submit+0x24/0x78 [dvb_usb])
r7:00000000 r6:00000001 r5:ced24a54 r4:ced24a54[<bf05aa80>] (usb_urb_submit+0x0/0x78 [dvb_usb]) from [<bf05a120>] (dvb_usb_ctrl_feed+0xd0/0x14c [dvb_usb])
r7:00000001 r6:00000001 r5:d0872000 r4:ced2472c[<bf05a050>] (dvb_usb_ctrl_feed+0x0/0x14c [dvb_usb]) from [<bf05a1c8>] (dvb_usb_start_feed+0x14/0x18 [dvb_usb])
r7:ced249d0 r6:00000000 r5:ced247f8 r4:d0872000[<bf05a1b4>] (dvb_usb_start_feed+0x0/0x18 [dvb_usb]) from [<bf048448>] (dmx_section_feed_start_filtering+0x108/0x150 [dvb_core]) [<bf048340>] (dmx_section_feed_start_filtering+0x0/0x150 [dvb_core]) from [<bf046694>] (dvb_dmxdev_filter_start+0x254/0x3ec [dvb_core])
r7:d0986000 r6:00000000 r5:d0986000 r4:00000000[<bf046440>] (dvb_dmxdev_filter_start+0x0/0x3ec [dvb_core]) from [<bf046a04>] (dvb_demux_do_ioctl+0x1d8/0x38c [dvb_core]) [<bf04682c>] (dvb_demux_do_ioctl+0x0/0x38c [dvb_core]) from [<bf045204>] (dvb_usercopy+0xe8/0x170 [dvb_core]) [<bf04511c>] (dvb_usercopy+0x0/0x170 [dvb_core]) from [<bf045e60>] (dvb_demux_ioctl+0x1c/0x28 [dvb_core]) [<bf045e44>] (dvb_demux_ioctl+0x0/0x28 [dvb_core]) from [<c00aa988>] (vfs_ioctl+0x68/0x78) [<c00aa920>] (vfs_ioctl+0x0/0x78) from [<c00aac08>] (do_vfs_ioctl +0x270/0x280)
r5:bec27b94 r4:ce1322a0[<c00aa998>] (do_vfs_ioctl+0x0/0x280) from [<c00aac58>] (sys_ioctl +0x40/0x64)
r7:ce1322a0 r6:403c6f2b r5:bec27b94 r4:00000004[<c00aac18>] (sys_ioctl+0x0/0x64) from [<c0033c80>] (ret_fast_syscall +0x0/0x2c)
r7:00000036 r6:000192fc r5:00000000 r4:bec284ec Code: 9a000001 e15c0003 3a000001 e3a03000 (e5833000) ---[ end trace 215830a8c165e1ce ]--- This is with:Linux version 2.6.27-rc7-omap1 (koen@dominion) (gcc version 4.2.1) #1 Wed Oct 8 09:58:50 CEST 2008
CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=00c5387f regards,Koen
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