The following issue has been SUBMITTED. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2312> ====================================================================== Reported By: jaime Assigned To: karsten ====================================================================== Project: ALSA - driver Issue ID: 2312 Category: USB - usb-usx2y Reproducibility: always Severity: crash Priority: normal Status: assigned Distribution: Debian Sid Kernel Version: 2.6.17 ====================================================================== Date Submitted: 07-29-2006 12:21 CEST Last Modified: 07-29-2006 12:21 CEST ====================================================================== Summary: Kernel oops using Tascm us-122 in RawUSB mode Description: jackd -d alsa -d hw:1,2 -S -P -n 2 -p 128 -r 44100 (run as root) gives kernel oops: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000030 printing eip: d09c154f *pde = 00000000 Oops: 0000 [#1] Modules linked in: ipv6 button ac battery dm_mod loop mousedev tsdev snd_usb_usx2y snd_usb_lib shpchp snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_rawmidi snd_seq_device snd_pcm snd_timer snd_hwdep snd pci_hotplug psmouse analog i2c_sis96x soundcore parport_pc parport serio_raw pcspkr floppy i2c_core gameport 8250_pnp snd_page_alloc evdev sis_agp agpgart rtc ext3 jbd ide_cd cdrom ide_disk sis5513 generic ide_core ohci_hcd ehci_hcd usbcore sis900 mii thermal processor fan CPU: 0 EIP: 0060:[<d09c154f>] Not tainted VLI EFLAGS: 00010286 (2.6.17-1-486 #1) EIP is at usX2Y_usbpcm_urbs_start+0xf/0x3f5 [snd_usb_usx2y] eax: 00000000 ebx: b162dde4 ecx: cffef300 edx: cf63a2a0 esi: cf7f7ea0 edi: 00000000 ebp: cf63a2a0 esp: ce885db4 ds: 007b es: 007b ss: 0068 Process jackd (pid: 3645, threadinfo=ce884000 task=cfca2a50) Stack: cf63a2a0 cbdf0960 00000000 00000022 d09c1337 0000ac44 b162dde4 ceced0c0 00000000 cfca2a50 b0122a8c ce885de0 ce885de0 b162dde4 cf7f7ea0 00000000 cf63a2a0 d09c19fb ce708c00 b162de88 cac62000 cf42e460 00000000 d09ac0e4 Call Trace: <d09c1337> usX2Y_rate_set+0x1bf/0x1f6 [snd_usb_usx2y] <b0122a8c> autoremove_wake_function+0x0/0x2d <d09c19fb> snd_usX2Y_usbpcm_prepare+0xc6/0x14b [snd_usb_usx2y] <d099c6d5> snd_pcm_do_prepare+0x9/0x19 [snd_pcm] <d099c324> snd_pcm_action_single+0x1d/0x40 [snd_pcm] <d099c3bb> snd_pcm_action_nonatomic+0x30/0x47 [snd_pcm] <d099eb70> snd_pcm_common_ioctl1+0x4cb/0xc54 [snd_pcm] <b01e956a> n_tty_receive_buf+0xbe8/0xc34 <d099d69d> snd_pcm_hw_constraints_complete+0xe8/0x157 [snd_pcm] <d099d6db> snd_pcm_hw_constraints_complete+0x126/0x157 [snd_pcm] <d099fe8b> snd_pcm_hw_constraint_minmax+0x24/0x28 [snd_pcm] <d099d704> snd_pcm_hw_constraints_complete+0x14f/0x157 [snd_pcm] <d099d890> snd_pcm_open+0x119/0x1bf [snd_pcm] <b011262a> default_wake_function+0x0/0xc <b01a5fba> prio_tree_insert+0x12c/0x1ec <b0136cf8> vma_prio_tree_insert+0x17/0x2a <d099f9b2> snd_pcm_playback_ioctl+0x0/0x1b [snd_pcm] <d099f955> snd_pcm_playback_ioctl1+0x32d/0x343 [snd_pcm] <b013b9f3> do_mmap_pgoff+0x4b9/0x5e6 <d099f9b2> snd_pcm_playback_ioctl +0x0/0x1b [snd_pcm] <b015312e> do_ioctl+0x16/0x42 <b015333d> vfs_ioctl+0x1e3/0x1f1 <b0153395> sys_ioctl+0x4a/0x61 <b0102977> syscall_call+0x7/0xb Code: 00 8d 83 d8 00 00 00 6a 00 b9 01 00 00 00 ba 03 00 00 00 e8 97 09 75 df 59 5b 5e c3 55 57 56 53 83 ec 34 89 04 24 89 c2 8b 40 04 <8b> 40 30 89 44 24 08 8b 0a 89 4c 24 0c 48 75 20 8b 81 c0 00 00 EIP: [<d09c154f>] usX2Y_usbpcm_urbs_start+0xf/0x3f5 [snd_usb_usx2y] SS:ESP 0068:ce885db4 Please note that I'm just using standard debian-repository kernels for the time being, so they're _not_ patched for rt-preempt. I didn't think that this would cause this oops, but I could be very wrong. BTW, the version of jack is 0.101.1, and I've already set nrpacks to 1. ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 07-29-06 12:21 jaime New Issue 07-29-06 12:21 jaime Distribution => Debian Sid 07-29-06 12:21 jaime Kernel Version => 2.6.17 ====================================================================== ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel