On Sun, 2010-06-13 at 19:55 -0700, Timothy D. Lenz wrote: > I tried to build new drivers from v4l hg for 06/08/10 and when I tried > to load drivers I got a kernel oops. Kernel is 2.6.34 64bit for amd cpu > > http://pastebin.com/7KwJtFJg See: http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/20198 http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/19904 The Oops appears to be in the same place as the Oops I analyzed in the second link. However, your compiler, like mine, decides to code the comparison against RC_DRIVER_SCANCODE (which is 0) first: 4f: 83 3a 00 cmpl $0x0,(%rdx) <---------- Oopsing insn Right about here: http://linuxtv.org/hg/v4l-dvb/file/23492745405c/linux/drivers/media/IR/ir-sysfs.c#l226 As mentioned in the first link, please try the patch found here: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=84b14f181a36eea6591779156ef356f8d198bbfd Regards, Andy > Jun 13 14:35:40 x64VDR kernel: IR JVC protocol handler initialized > Jun 13 14:35:40 x64VDR kernel: IR Sony protocol handler initialized > Jun 13 14:35:40 x64VDR kernel: cx23885_dev_checkrevision() Hardware > revision = 0xb0 > Jun 13 14:35:40 x64VDR kernel: cx23885[0]/0: found at 0000:02:00.0, rev: > 2, irq: 16, latency: 0, mmio: 0xfdc00000 > Jun 13 14:35:40 x64VDR kernel: cx23885 0000:02:00.0: setting latency > timer to 64 > Jun 13 14:35:40 x64VDR kernel: IRQ 16/cx23885[0]: IRQF_DISABLED is not > guaranteed on shared IRQs > Jun 13 14:35:40 x64VDR kernel: Registered IR keymap rc-fusionhdtv-mce > Jun 13 14:35:40 x64VDR kernel: BUG: unable to handle kernel NULL pointer > dereference at (null) > Jun 13 14:35:40 x64VDR kernel: IP: [<ffffffffa0229e30>] > ir_register_class+0x4f/0x15f [ir_core] > Jun 13 14:35:40 x64VDR kernel: PGD 7ebdb067 PUD 7ebd3067 PMD 0 > Jun 13 14:35:40 x64VDR kernel: Oops: 0000 [#1] PREEMPT SMP > Jun 13 14:35:40 x64VDR kernel: last sysfs file: > /sys/module/ir_core/initstate > Jun 13 14:35:40 x64VDR kernel: CPU 1 > Jun 13 14:35:40 x64VDR kernel: Modules linked in: rc_fusionhdtv_mce > ir_kbd_i2c(+) ir_sony_decoder ir_jvc_decoder ir_rc6_decoder cx23885 > ir_rc5_decoder cx2341x v4l2_common videobuf_dvb ir_common ir_nec_decoder > ir_core btcx_risc tveeprom lnbp21 stv0299 dvb_ttpci dvb_core saa7146_vv > videodev v4l1_compat v4l2_compat_ioctl32 saa7146 videobuf_dma_sg > videobuf_core ttpci_eeprom powernow_k8 hwmon_vid max6650 snd_intel8x0 > snd_ac97_codec ac97_bus smbfs af_packet snd_hda_codec_analog > snd_hda_intel snd_hda_codec snd_pcm snd_seq snd_timer snd_seq_device snd > sg psmouse amd64_edac_mod k8temp fan soundcore snd_page_alloc > asus_atk0110 i2c_nforce2 thermal processor button > Jun 13 14:35:40 x64VDR kernel: > Jun 13 14:35:40 x64VDR kernel: Pid: 1933, comm: modprobe Not tainted > 2.6.34.20100610.1 #1 M2N-E/System Product Name > Jun 13 14:35:40 x64VDR kernel: RIP: 0010:[<ffffffffa0229e30>] > [<ffffffffa0229e30>] ir_register_class+0x4f/0x15f [ir_core] > Jun 13 14:35:40 x64VDR kernel: RSP: 0018:ffff88007e0abd18 EFLAGS: 00010246 > Jun 13 14:35:40 x64VDR kernel: RAX: 0000000000000000 RBX: > ffff88007ee5ec00 RCX: ffffffffa022ae00 > Jun 13 14:35:40 x64VDR kernel: RDX: 0000000000000000 RSI: > ffffffffa022a9d4 RDI: ffff88007ee5ec00 > Jun 13 14:35:40 x64VDR kernel: RBP: 0000000000000000 R08: > 000000000000004f R09: 00000000ffffffff > Jun 13 14:35:40 x64VDR kernel: R10: 00000000ffffffff R11: > ffff88007ee28808 R12: ffffffffa029d060 > Jun 13 14:35:40 x64VDR kernel: R13: ffff88007ee28000 R14: > 0000000000000282 R15: ffffffffa0296aec > Jun 13 14:35:40 x64VDR kernel: FS: 00007fdc8355d6f0(0000) > GS:ffff880001700000(0000) knlGS:0000000000000000 > Jun 13 14:35:40 x64VDR kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 000000008005003b > Jun 13 14:35:40 x64VDR kernel: CR2: 0000000000000000 CR3: > 000000007ebd1000 CR4: 00000000000006e0 > Jun 13 14:35:40 x64VDR kernel: DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 > Jun 13 14:35:40 x64VDR kernel: DR3: 0000000000000000 DR6: > 00000000ffff0ff0 DR7: 0000000000000400 > Jun 13 14:35:40 x64VDR kernel: Process modprobe (pid: 1933, threadinfo > ffff88007e0aa000, task ffff88007e22a280) > Jun 13 14:35:40 x64VDR kernel: Stack: > Jun 13 14:35:40 x64VDR kernel: ffff88007ee28000 ffff88007ee5ec00 > ffff88007ee28000 ffffffffa029d060 > Jun 13 14:35:40 x64VDR kernel: <0> 000000000000002d ffffffffa022960a > 0000000000000001 ffffffff00000000 > Jun 13 14:35:40 x64VDR kernel: <0> ffff88007ee5ee20 ffff88007ee5edf8 > ffff88007e0aa000 ffff88007d815600 > Jun 13 14:35:40 x64VDR kernel: Call Trace: > Jun 13 14:35:40 x64VDR kernel: [<ffffffffa022960a>] ? > __ir_input_register+0x243/0x2e7 [ir_core] > Jun 13 14:35:40 x64VDR kernel: [<ffffffffa02963aa>] ? > ir_probe+0x37f/0x448 [ir_kbd_i2c] > Jun 13 14:35:40 x64VDR kernel: [<ffffffffa029602b>] ? > ir_probe+0x0/0x448 [ir_kbd_i2c] > Jun 13 14:35:40 x64VDR kernel: [<ffffffff81222ce2>] ? > i2c_device_probe+0xb0/0xe6 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811be322>] ? > driver_sysfs_add+0x42/0x69 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811be452>] ? > driver_probe_device+0x9c/0x123 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811be528>] ? > __driver_attach+0x4f/0x6f > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811be4d9>] ? > __driver_attach+0x0/0x6f > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811bdd13>] ? > bus_for_each_dev+0x44/0x78 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811bd6f8>] ? > bus_add_driver+0xaf/0x1f7 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff811be7cd>] ? > driver_register+0x90/0xf8 > Jun 13 14:35:40 x64VDR kernel: [<ffffffffa029a000>] ? ir_init+0x0/0x19 > [ir_kbd_i2c] > Jun 13 14:35:40 x64VDR kernel: [<ffffffff812238f9>] ? > i2c_register_driver+0x40/0x91 > Jun 13 14:35:40 x64VDR kernel: [<ffffffffa029a000>] ? ir_init+0x0/0x19 > [ir_kbd_i2c] > Jun 13 14:35:40 x64VDR kernel: [<ffffffff810001e0>] ? > do_one_initcall+0x4f/0x13e > Jun 13 14:35:40 x64VDR kernel: [<ffffffff81052330>] ? > sys_init_module+0xc6/0x222 > Jun 13 14:35:40 x64VDR kernel: [<ffffffff81001eab>] ? > system_call_fastpath+0x16/0x1b > Jun 13 14:35:40 x64VDR kernel: Code: a0 48 89 c3 e8 b9 23 f2 e0 85 c0 89 > c5 0f 88 1b 01 00 00 48 8b 93 30 02 00 00 48 c7 c1 00 ae 22 a0 48 c7 c6 > d4 a9 22 a0 48 89 df <83> 3a 00 48 c7 c2 30 ae 22 a0 48 c7 83 d8 01 00 > 00 90 ad 22 a0 > Jun 13 14:35:40 x64VDR kernel: RIP [<ffffffffa0229e30>] > ir_register_class+0x4f/0x15f [ir_core] > Jun 13 14:35:40 x64VDR kernel: RSP <ffff88007e0abd18> > Jun 13 14:35:40 x64VDR kernel: CR2: 0000000000000000 > Jun 13 14:35:40 x64VDR kernel: ---[ end trace 3443a52638911d4d ]--- > -- > 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 -- 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
