From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from emearegistrations.com ([209.190.30.226]:58285 "EHLO mx.emearegistrations.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754333Ab0BDIbN (ORCPT ); Thu, 4 Feb 2010 03:31:13 -0500 Received: from HasBox.COM ([10.10.10.100]) by mx.emearegistrations.com (8.14.3/8.13.7) with ESMTP id o148V67C029935 for ; Thu, 4 Feb 2010 03:31:08 -0500 Received: from [12.0.0.2] ([12.0.0.2]) (authenticated bits=0) by HasBox.COM (8.14.2/8.13.8) with ESMTP id o148Uu4H020393 for ; Thu, 4 Feb 2010 12:30:59 +0400 Message-ID: <4B6A85BB.9050602@0bits.com> Date: Thu, 04 Feb 2010 12:30:51 +0400 From: dm66@0bits.com MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: Reloading DVB drivers causes 100% reproducible crash Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi, I've posted previously with this subject line [TT-Budget/S-1500 PCI crashes with current hg (v4l-dvb-cdcf089168df)] and have finally figured out what is happening. If you remove your DVB drivers, and reload them, you will get a 100% reproducible crash with todays HG repository (i.e the bug is still in as of Feb 4th 2010). Anyone with a budget_ci card with a ir will see this. Dave ---- Feb 3 20:49:07 home kernel: cx8802_start_dma() Failed. Unsupported value in .mpeg (0x00000001) Feb 3 20:49:38 home last message repeated 61 times Feb 3 20:49:48 home last message repeated 21 times Feb 3 20:49:52 home kernel: /usr/src/mythtv/vdr-sc/contrib/sasc-ng/dvbloopback/module/dvb_loopback.c: Unregistering ca loopback devices Feb 3 20:49:52 home kernel: removing dvblb proc adapter Feb 3 20:49:52 home kernel: dvblb init = 100 Feb 3 20:49:52 home kernel: removing dvblb proc adapter Feb 3 20:49:52 home kernel: dvblb init = 100 Feb 3 20:50:08 home kernel: saa7146: unregister extension 'budget_ci dvb'. Feb 3 20:50:08 home kernel: budget_ci dvb 0000:04:00.0: PCI INT A disabled Feb 3 20:50:09 home kernel: cx8800 0000:04:02.0: PCI INT A disabled Feb 3 20:50:09 home kernel: cx88/2: unregistering cx8802 driver, type: dvb access: shared Feb 3 20:50:09 home kernel: cx88[0]/2: subsystem: 0070:6902, board: Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [card=68] Feb 3 20:50:09 home kernel: cx88-mpeg driver manager 0000:04:02.2: PCI INT A disabled Feb 3 20:50:14 home kernel: saa7146: register extension 'budget_ci dvb'. Feb 3 20:50:14 home kernel: budget_ci dvb 0000:04:00.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20 Feb 3 20:50:14 home kernel: IRQ 20/: IRQF_DISABLED is not guaranteed on shared IRQs Feb 3 20:50:14 home kernel: saa7146: found saa7146 @ mem f9c1c000 (revision 1, irq 20) (0x13c2,0x1017). Feb 3 20:50:14 home kernel: saa7146 (0): dma buffer size 192512 Feb 3 20:50:14 home kernel: DVB: registering new adapter (TT-Budget/S-1500 PCI) Feb 3 20:50:14 home kernel: adapter has MAC addr = 00:d0:5c:07:98:02 Feb 3 20:50:14 home kernel: input: Budget-CI dvb ir receiver saa7146 (0) as /devices/pci0000:00/0000:00:1e.0/0000:04:00.0/input/input6 Feb 3 20:50:14 home kernel: ------------[ cut here ]------------ Feb 3 20:50:14 home kernel: WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x92/0xb0() Feb 3 20:50:14 home kernel: Hardware name: EP41-UD3L Feb 3 20:50:14 home kernel: sysfs: cannot create duplicate filename '/devices/virtual/irrcv/irrcv1' Feb 3 20:50:14 home kernel: Modules linked in: budget_ci(+) budget_core ttpci_eeprom saa7146 stv0299 dvb_core lnbp21 rfcomm sco bridge stp bnep l2cap iptable_filter ip_tables x_tables appletalk psnap llc autofs4 nfsd lockd sunrpc exportfs mac80211 cfg80211 btusb bluetooth forcedeth tun snd_pcm_oss snd_mixer_oss usb_storage ohci_hcd it87 hwmon_vid i2c_dev wm8775 tuner_simple tuner_types tda9887 tuner cx88_alsa snd_hda_codec_realtek cx88xx usblp v4l2_common videodev v4l1_compat ir_common i2c_algo_bit snd_hda_intel snd_hda_codec tveeprom nvidia(P) videobuf_dma_sg videobuf_core btcx_risc ir_core snd_pcm snd_timer snd snd_page_alloc ehci_hcd i2c_i801 uhci_hcd i2c_core [last unloaded: dvb_core] Feb 3 20:50:14 home kernel: Pid: 27084, comm: modprobe Tainted: P 2.6.30.10 #17 Feb 3 20:50:14 home kernel: Call Trace: Feb 3 20:50:14 home kernel: [] ? sysfs_add_one+0x92/0xb0 Feb 3 20:50:14 home kernel: [] ? sysfs_add_one+0x92/0xb0 Feb 3 20:50:14 home kernel: [] ? warn_slowpath_common+0x6f/0xd0 Feb 3 20:50:15 home kernel: [] ? sysfs_add_one+0x92/0xb0 Feb 3 20:50:15 home kernel: [] ? warn_slowpath_fmt+0x2b/0x30 Feb 3 20:50:15 home kernel: [] ? sysfs_add_one+0x92/0xb0 Feb 3 20:50:15 home kernel: [] ? create_dir+0x48/0x90 Feb 3 20:50:15 home kernel: [] ? sysfs_create_dir+0x29/0x50 Feb 3 20:50:15 home kernel: [] ? kobject_add_internal+0xc2/0x1b0 Feb 3 20:50:15 home kernel: [] ? kobject_add+0x2d/0x60 Feb 3 20:50:15 home kernel: [] ? device_add+0xd7/0x570 Feb 3 20:50:15 home kernel: [] ? kobject_init+0x2a/0xa0 Feb 3 20:50:15 home kernel: [] ? kvasprintf+0x45/0x60 Feb 3 20:50:15 home kernel: [] ? device_create_vargs+0xa9/0xc0 Feb 3 20:50:15 home kernel: [] ? device_create+0x2b/0x30 Feb 3 20:50:15 home kernel: [] ? ir_register_class+0x66/0xd0 [ir_core] Feb 3 20:50:15 home kernel: [] ? ir_input_register+0x1b5/0x290 [ir_core] Feb 3 20:50:15 home kernel: [] ? budget_ci_attach+0x1b2/0xcf0 [budget_ci] Feb 3 20:50:15 home kernel: [] ? saa7146_init_one+0x811/0x8e0 [saa7146] Feb 3 20:50:15 home kernel: [] ? iput+0x1d/0x50 Feb 3 20:50:15 home kernel: [] ? sysfs_addrm_finish+0x3a/0x200 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? sysfs_do_create_link+0x92/0x110 Feb 3 20:50:15 home kernel: [] ? local_pci_probe+0xb/0x10 Feb 3 20:50:15 home kernel: [] ? pci_device_probe+0x69/0x90 Feb 3 20:50:15 home kernel: [] ? driver_probe_device+0x7d/0x180 Feb 3 20:50:15 home kernel: [] ? pci_match_device+0x16/0xc0 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x79/0x80 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? bus_for_each_dev+0x49/0x70 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_attach+0x16/0x20 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x0/0x80 Feb 3 20:50:15 home kernel: [] ? bus_add_driver+0xaf/0x220 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_register+0x67/0x150 Feb 3 20:50:15 home kernel: [] ? __pci_register_driver+0x3d/0xb0 Feb 3 20:50:15 home kernel: [] ? budget_ci_init+0x0/0xa [budget_ci] Feb 3 20:50:15 home kernel: [] ? do_one_initcall+0x2e/0x190 Feb 3 20:50:15 home kernel: [] ? sys_init_module+0x8b/0x1c0 Feb 3 20:50:15 home kernel: [] ? sysenter_do_call+0x12/0x26 Feb 3 20:50:15 home kernel: ---[ end trace efc2c91158d3f543 ]--- Feb 3 20:50:15 home kernel: kobject_add_internal failed for irrcv1 with -EEXIST, don't try to register things with the same name in the same directory. Feb 3 20:50:15 home kernel: Pid: 27084, comm: modprobe Tainted: P W 2.6.30.10 #17 Feb 3 20:50:15 home kernel: Call Trace: Feb 3 20:50:15 home kernel: [] ? kobject_add_internal+0x107/0x1b0 Feb 3 20:50:15 home kernel: [] ? kobject_add+0x2d/0x60 Feb 3 20:50:15 home kernel: [] ? device_add+0xd7/0x570 Feb 3 20:50:15 home kernel: [] ? kobject_init+0x2a/0xa0 Feb 3 20:50:15 home kernel: [] ? kvasprintf+0x45/0x60 Feb 3 20:50:15 home kernel: [] ? device_create_vargs+0xa9/0xc0 Feb 3 20:50:15 home kernel: [] ? device_create+0x2b/0x30 Feb 3 20:50:15 home kernel: [] ? ir_register_class+0x66/0xd0 [ir_core] Feb 3 20:50:15 home kernel: [] ? ir_input_register+0x1b5/0x290 [ir_core] Feb 3 20:50:15 home kernel: [] ? budget_ci_attach+0x1b2/0xcf0 [budget_ci] Feb 3 20:50:15 home kernel: [] ? saa7146_init_one+0x811/0x8e0 [saa7146] Feb 3 20:50:15 home kernel: [] ? iput+0x1d/0x50 Feb 3 20:50:15 home kernel: [] ? sysfs_addrm_finish+0x3a/0x200 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? sysfs_do_create_link+0x92/0x110 Feb 3 20:50:15 home kernel: [] ? local_pci_probe+0xb/0x10 Feb 3 20:50:15 home kernel: [] ? pci_device_probe+0x69/0x90 Feb 3 20:50:15 home kernel: [] ? driver_probe_device+0x7d/0x180 Feb 3 20:50:15 home kernel: [] ? pci_match_device+0x16/0xc0 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x79/0x80 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? bus_for_each_dev+0x49/0x70 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_attach+0x16/0x20 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x0/0x80 Feb 3 20:50:15 home kernel: [] ? bus_add_driver+0xaf/0x220 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_register+0x67/0x150 Feb 3 20:50:15 home kernel: [] ? __pci_register_driver+0x3d/0xb0 Feb 3 20:50:15 home kernel: [] ? budget_ci_init+0x0/0xa [budget_ci] Feb 3 20:50:15 home kernel: [] ? do_one_initcall+0x2e/0x190 Feb 3 20:50:15 home kernel: [] ? sys_init_module+0x8b/0x1c0 Feb 3 20:50:15 home kernel: [] ? sysenter_do_call+0x12/0x26 Feb 3 20:50:15 home kernel: BUG: unable to handle kernel paging request at fffffff7 Feb 3 20:50:15 home kernel: IP: [] ir_register_class+0x6b/0xd0 [ir_core] Feb 3 20:50:15 home kernel: *pdpt = 000000000054c001 *pde = 000000000054f067 *pte = 0000000000000000 Feb 3 20:50:15 home kernel: Oops: 0000 [#1] SMP Feb 3 20:50:15 home kernel: last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:04:00.0/i2c-adapter/i2c-2/i2c-2/dev Feb 3 20:50:15 home kernel: Modules linked in: budget_ci(+) budget_core ttpci_eeprom saa7146 stv0299 dvb_core lnbp21 rfcomm sco bridge stp bnep l2cap iptable_filter ip_tables x_tables appletalk psnap llc autofs4 nfsd lockd sunrpc exportfs mac80211 cfg80211 btusb bluetooth forcedeth tun snd_pcm_oss snd_mixer_oss usb_storage ohci_hcd it87 hwmon_vid i2c_dev wm8775 tuner_simple tuner_types tda9887 tuner cx88_alsa snd_hda_codec_realtek cx88xx usblp v4l2_common videodev v4l1_compat ir_common i2c_algo_bit snd_hda_intel snd_hda_codec tveeprom nvidia(P) videobuf_dma_sg videobuf_core btcx_risc ir_core snd_pcm snd_timer snd snd_page_alloc ehci_hcd i2c_i801 uhci_hcd i2c_core [last unloaded: dvb_core] Feb 3 20:50:15 home kernel: Feb 3 20:50:15 home kernel: Pid: 27084, comm: modprobe Tainted: P W (2.6.30.10 #17) EP41-UD3L Feb 3 20:50:15 home kernel: EIP: 0060:[] EFLAGS: 00010292 CPU: 0 Feb 3 20:50:15 home kernel: EIP is at ir_register_class+0x6b/0xd0 [ir_core] Feb 3 20:50:15 home kernel: EAX: ffffffef EBX: ffffffef ECX: c200c588 EDX: 00000001 Feb 3 20:50:15 home kernel: ESI: 00000001 EDI: e76bf600 EBP: f6d66800 ESP: c5d29d74 Feb 3 20:50:15 home kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Feb 3 20:50:15 home kernel: Process modprobe (pid: 27084, ti=c5d28000 task=d4f61f80 task.ti=c5d28000) Feb 3 20:50:15 home kernel: Stack: Feb 3 20:50:15 home kernel: f6e084c0 00000000 00000000 e76bf600 f8933ce6 00000001 00000000 f9c2ade0 Feb 3 20:50:15 home kernel: f6d66800 f9c2dfb8 f8933275 c5d29de8 00000004 00000000 ffffffff f6d66818 Feb 3 20:50:15 home kernel: 00000000 e76bf600 00000027 f9c2de80 f9c2ade0 f4663b00 f6d66800 f6daa000 Feb 3 20:50:15 home kernel: Call Trace: Feb 3 20:50:15 home kernel: [] ? ir_input_register+0x1b5/0x290 [ir_core] Feb 3 20:50:15 home kernel: [] ? budget_ci_attach+0x1b2/0xcf0 [budget_ci] Feb 3 20:50:15 home kernel: [] ? saa7146_init_one+0x811/0x8e0 [saa7146] Feb 3 20:50:15 home kernel: [] ? iput+0x1d/0x50 Feb 3 20:50:15 home kernel: [] ? sysfs_addrm_finish+0x3a/0x200 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? dma_generic_alloc_coherent+0x0/0x110 Feb 3 20:50:15 home kernel: [] ? sysfs_do_create_link+0x92/0x110 Feb 3 20:50:15 home kernel: [] ? local_pci_probe+0xb/0x10 Feb 3 20:50:15 home kernel: [] ? pci_device_probe+0x69/0x90 Feb 3 20:50:15 home kernel: [] ? driver_probe_device+0x7d/0x180 Feb 3 20:50:15 home kernel: [] ? pci_match_device+0x16/0xc0 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x79/0x80 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? bus_for_each_dev+0x49/0x70 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_attach+0x16/0x20 Feb 3 20:50:15 home kernel: [] ? __driver_attach+0x0/0x80 Feb 3 20:50:15 home kernel: [] ? bus_add_driver+0xaf/0x220 Feb 3 20:50:15 home kernel: [] ? pci_device_remove+0x0/0x40 Feb 3 20:50:15 home kernel: [] ? driver_register+0x67/0x150 Feb 3 20:50:15 home kernel: [] ? __pci_register_driver+0x3d/0xb0 Feb 3 20:50:15 home kernel: [] ? budget_ci_init+0x0/0xa [budget_ci] Feb 3 20:50:15 home kernel: [] ? do_one_initcall+0x2e/0x190 Feb 3 20:50:15 home kernel: [] ? sys_init_module+0x8b/0x1c0 Feb 3 20:50:15 home kernel: [] ? sysenter_do_call+0x12/0x26 Feb 3 20:50:15 home kernel: Code: 3c 93 f8 89 7c 24 0c 8b 85 04 07 00 00 c7 44 24 04 00 00 00 00 89 44 24 08 a1 fc 4a 93 f8 89 04 24 e8 fa 67 95 c7 89 47 28 89 c3 <8b> 40 08 83 c3 08 89 44 24 04 c7 04 24 ee 3c 93 f8 e8 24 b0 a9 Feb 3 20:50:15 home kernel: EIP: [] ir_register_class+0x6b/0xd0 [ir_core] SS:ESP 0068:c5d29d74 Feb 3 20:50:15 home kernel: CR2: 00000000fffffff7 Feb 3 20:50:15 home kernel: ---[ end trace efc2c91158d3f544 ]--- Feb 3 20:50:15 home kernel: cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.7 loaded