Am 24.05.2010 17:26, schrieb Martin Dauskardt: > I guess it is a similar problem like the one that was solved a few months ago with this patch: > http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/14232 > > I compiled the current v4l-dvb hg against the 2.6.32 Ubuntu 10.04 kernel > > > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.629408] DVB: registering new adapter (TT-Budget C-1501 PCI) > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.646949] tda9887 3-0043: i2c i/o error: rc == -5 (should be 4) > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.649823] tda9887 3-0043: i2c i/o error: rc == -5 (should be 4) > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.666028] adapter has MAC addr = 00:d0:5c:c6:5a:11 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692518] Registered IR keymap rc-tt-1500 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692545] BUG: unable to handle kernel NULL pointer dereference at (null) > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692554] IP: [<f825bd7e>] ir_register_class+0x3e/0x190 [ir_core] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692566] *pde = 00000000 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692571] Oops: 0000 [#1] SMP > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692575] last sysfs file: /sys/module/ir_core/initstate > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692580] Modules linked in: rc_tt_1500 tda10021 snd_hda_codec_realtek tuner_simple tuner_types tda9887 tda8290 tuner msp3400 snd_hda_intel$ > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692659] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692663] Pid: 375, comm: modprobe Not tainted (2.6.32-22-generic #33-Ubuntu) M56S-S3 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692669] EIP: 0060:[<f825bd7e>] EFLAGS: 00010246 CPU: 0 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692677] EIP is at ir_register_class+0x3e/0x190 [ir_core] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692681] EAX: 00000000 EBX: f6375000 ECX: 00000000 EDX: 00000100 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692686] ESI: f4fa6000 EDI: 00000000 EBP: f61d5d78 ESP: f61d5d4c > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692691] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692697] Process modprobe (pid: 375, ti=f61d4000 task=f61b6680 task.ti=f61d4000) > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692704] Stack: > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692707] 00000246 f825ba47 c24054e0 f825ba47 001d5d64 00000128 f4fa6000 0000003f > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692717] <0> faee9068 00000027 f4fa6000 f61d5db0 f825bb7c 0000009f 00000000 f8ce32ef > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692728] <0> c0588f82 f825cc11 00000296 f637513c f6375120 f6375000 f6827000 f4fa6000 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692741] Call Trace: > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692750] [<f825ba47>] ? __ir_input_register+0x167/0x350 [ir_core] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692759] [<f825ba47>] ? __ir_input_register+0x167/0x350 [ir_core] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692769] [<f825bb7c>] ? __ir_input_register+0x29c/0x350 [ir_core] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692779] [<c0588f82>] ? printk+0x1d/0x23 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692789] [<f8ce1153>] ? budget_ci_attach+0x193/0xd80 [budget_ci] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692800] [<f81ffeac>] ? saa7146_init_one+0x7dc/0x860 [saa7146] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692811] [<c01078d0>] ? dma_generic_alloc_coherent+0x0/0xc0 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692821] [<c0363883>] ? local_pci_probe+0x13/0x20 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692827] [<c0364688>] ? pci_device_probe+0x68/0x90 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692835] [<c03e688d>] ? really_probe+0x4d/0x140 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692843] [<c03ed19e>] ? pm_runtime_barrier+0x4e/0xc0 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692850] [<c03e69bc>] ? driver_probe_device+0x3c/0x60 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692857] [<c03e6a61>] ? __driver_attach+0x81/0x90 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692864] [<c03e5ea3>] ? bus_for_each_dev+0x53/0x80 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692871] [<c03e675e>] ? driver_attach+0x1e/0x20 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692877] [<c03e69e0>] ? __driver_attach+0x0/0x90 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692884] [<c03e6125>] ? bus_add_driver+0xd5/0x280 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692890] [<c03645c0>] ? pci_device_remove+0x0/0x40 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692897] [<c03e6d5a>] ? driver_register+0x6a/0x130 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692903] [<c03648c5>] ? __pci_register_driver+0x45/0xb0 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692913] [<f81fed63>] ? saa7146_register_extension+0x53/0x90 [saa7146] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692923] [<f8ce700d>] ? budget_ci_init+0xd/0xf [budget_ci] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692929] [<c0101131>] ? do_one_initcall+0x31/0x190 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692937] [<f8ce7000>] ? budget_ci_init+0x0/0xf [budget_ci] > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692945] [<c0182340>] ? sys_init_module+0xb0/0x210 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692951] [<c01033ec>] ? syscall_call+0x7/0xb > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.692956] Code: 00 89 c6 8d 80 a0 07 00 00 e8 bf a7 18 c8 ba 00 01 00 00 89 c3 b8 0c d4 25 f8 e8 6e ec 0e c8 89 c7 85 ff 78 6f 8b 83 44 01 $ > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.693003] EIP: [<f825bd7e>] ir_register_class+0x3e/0x190 [ir_core] SS:ESP 0068:f61d5d4c > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.693015] CR2: 0000000000000000 > May 24 13:30:22 ubuntuvdr1 kernel: [ 5.693020] ---[ end trace 2c915ef882a2f862 ]--- > --I can confirm this. Loading budget_ci from current v4l-dvb hg with kernel 2.6.34 causes kernel oops: Jun 07 12:49:05 [kernel] budget_ci dvb 0000:01:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 Jun 07 12:49:05 [kernel] IRQ 19/: IRQF_DISABLED is not guaranteed on shared IRQs Jun 07 12:49:05 [kernel] saa7146: found saa7146 @ mem f949ac00 (revision 1, irq 19) (0x13c2,0x1010). Jun 07 12:49:05 [kernel] saa7146 (0): dma buffer size 192512 Jun 07 12:49:05 [kernel] DVB: registering new adapter (TT-Budget-C-CI PCI) Jun 07 12:49:05 [kernel] IR NEC protocol handler initialized Jun 07 12:49:05 [kernel] IR RC5(x) protocol handler initialized Jun 07 12:49:05 [kernel] IR RC6 protocol handler initialized Jun 07 12:49:05 [kernel] IR JVC protocol handler initialized Jun 07 12:49:05 [kernel] IR Sony protocol handler initialized Jun 07 12:49:05 [kernel] Registered IR keymap rc-tt-1500 Jun 07 12:49:05 [kernel] BUG: unable to handle kernel NULL pointer dereference at (null) Jun 07 12:49:05 [kernel] IP: [<f9435cc0>] ir_register_class+0x3f/0x123 [ir_core] Jun 07 12:49:05 [kernel] *pdpt = 0000000036cb9001 *pde = 0000000000000000 Jun 07 12:49:05 [kernel] Modules linked in: rc_tt_1500 ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder budget_ci(+) budget_core dvb_core saa7146 ttpci_eeprom ir_core i2c_core snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm snd_timer snd_page_alloc Jun 07 12:49:05 [kernel] Pid: 1877, comm: modprobe Not tainted 2.6.34-gentoo #1 IPM31/To Be Filled By O.E.M. Jun 07 12:49:05 [kernel] EIP: 0060:[<f9435cc0>] EFLAGS: 00010246 CPU: 0 Jun 07 12:49:05 [kernel] EIP is at ir_register_class+0x3f/0x123 [ir_core] Jun 07 12:49:05 [kernel] EAX: f9436a44 EBX: fffffff4 ECX: 00000000 EDX: 00000000 Jun 07 12:49:05 [kernel] ESI: f6da6200 EDI: f6fd1000 EBP: f6bf5dbc ESP: f6bf5dac Jun 07 12:49:05 [kernel] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Jun 07 12:49:05 [kernel] 00000000 fffffff4 f6da6200 00000000 f6bf5de8 f9435572 f9636048 f6fd1000 Jun 07 12:49:05 [kernel] <0> f6da62c4 f6fd1784 f6da62e0 00000282 f651f5d0 f6fd1000 f651f588 f6bf5e24 Jun 07 12:49:05 [kernel] <0> f9491e04 f9492ee7 f6bf5e04 f6bf5e98 f651f000 f9449110 00000000 f9636048 Jun 07 12:49:05 [kernel] [<f9435572>] ? __ir_input_register+0x220/0x3aa [ir_core] Jun 07 12:49:05 [kernel] [<f9491e04>] ? 0xf9491e04 Jun 07 12:49:05 [kernel] [<f9448312>] ? saa7146_pgtable_free+0x57f/0x795 [saa7146] Jun 07 12:49:05 [kernel] [<c10c110a>] ? sysfs_addrm_finish+0x15/0xa3 Jun 07 12:49:05 [kernel] [<c10c0b33>] ? sysfs_add_one+0x12/0x7a Jun 07 12:49:05 [kernel] [<c12b232b>] ? pci_match_device+0xa4/0xac Jun 07 12:49:05 [kernel] [<c12b21f4>] ? local_pci_probe+0xe/0x10 Jun 07 12:49:05 [kernel] [<c12b2bf5>] ? pci_device_probe+0x43/0x66 Jun 07 12:49:05 [kernel] [<c132471e>] ? driver_probe_device+0x79/0x105 Jun 07 12:49:05 [kernel] [<c13247ed>] ? __driver_attach+0x43/0x5f Jun 07 12:49:05 [kernel] [<c132413d>] ? bus_for_each_dev+0x3d/0x67 Jun 07 12:49:05 [kernel] [<c13245f7>] ? driver_attach+0x14/0x16 Jun 07 12:49:05 [kernel] [<c13247aa>] ? __driver_attach+0x0/0x5f Jun 07 12:49:05 [kernel] [<c1323bb7>] ? bus_add_driver+0xa2/0x1d4 Jun 07 12:49:05 [kernel] [<c1324a33>] ? driver_register+0x8b/0xeb Jun 07 12:49:05 [kernel] [<c12b2dc8>] ? __pci_register_driver+0x38/0x91 Jun 07 12:49:05 [kernel] [<f9497000>] ? init_module+0x0/0xf [budget_ci] Jun 07 12:49:05 [kernel] [<f9447bb9>] ? saa7146_register_extension+0x68/0x242 [saa7146] Jun 07 12:49:05 [kernel] [<f949700d>] ? init_module+0xd/0xf [budget_ci] Jun 07 12:49:05 [kernel] [<c1001139>] ? do_one_initcall+0x4c/0x131 Jun 07 12:49:05 [kernel] [<c104b5ae>] ? sys_init_module+0xa7/0x1db Jun 07 12:49:05 [kernel] [<c1002810>] ? sysenter_do_call+0x12/0x26 Jun 07 12:49:05 [kernel] ---[ end trace 100a66f59725996d ]--- It looks to me that v4l-dvb is not really maintained anymore :( Helmut Auer, helmut@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html