With 2.5.46, recent bk tree usb patches to 2.5.46, 2.5.45 and maybe 2.5.44 (I forget if this broke in 2.5.44 or .45, it worked a couple versions ago) I see the following oops'es.
System is Athlon MP mobo, ohci hub. On trying to install ohci and audio with modprobe, I see the attached audio_oops during the 'modprobe audio' with modprobe segfaulting. On rebooting, loading only the ohci-ucd and trying to cat /proc/bus/usb/devices I receive the cat_oops messages. On 2.4.19 (SuSE kernel), the cat (with only the hub online) returns: sea:/home/cobra # cat /proc/bus/usb/devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 4 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 0.00 S: Product=USB OHCI Root Hub S: SerialNumber=c00dc000 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms sea:/home/cobra # -- Kevin
Nov 9 07:09:17 sea kernel: drivers/usb/core/hcd-pci.c: ohci-hcd @ 00:07.4, PCI device 1022:7414 Nov 9 07:09:17 sea kernel: drivers/usb/core/hcd-pci.c: irq 11, pci mem c00dc000 Nov 9 07:09:17 sea kernel: drivers/usb/core/hcd.c: new USB bus registered, assigned bus number 1 Nov 9 07:09:17 sea kernel: drivers/usb/core/hub.c: USB hub found at 0 Nov 9 07:09:17 sea kernel: drivers/usb/core/hub.c: 4 ports detected Nov 9 07:09:20 sea kernel: drivers/usb/core/hub.c: new USB device 00:07.4-1, assigned address 2 Nov 9 07:09:34 sea su: (to root) cobra on /dev/pts/2 Nov 9 07:09:34 sea su: pam_unix2: session started for user root, service su Nov 9 07:09:50 sea su: (to root) cobra on /dev/pts/3 Nov 9 07:09:50 sea su: pam_unix2: session started for user root, service su Nov 9 07:10:26 sea kernel: Unable to handle kernel paging request at virtual address 000119a6 Nov 9 07:10:26 sea kernel: printing eip: Nov 9 07:10:26 sea kernel: e0a3611e Nov 9 07:10:26 sea kernel: *pde = 0daa5001 Nov 9 07:10:26 sea kernel: Oops: 0000 Nov 9 07:10:26 sea kernel: audio soundcore ohci-hcd nfsd exportfs ipv6 ehci-hcd usbcore 3c59x aic7xxx reiserfs DAC960 Nov 9 07:10:26 sea kernel: CPU: 1 Nov 9 07:10:26 sea kernel: EIP: 0060:[<e0a3611e>] Not tainted Nov 9 07:10:26 sea kernel: EFLAGS: 00010202 Nov 9 07:10:26 sea kernel: EIP is at usb_audio_parsecontrol+0x45e/0x5d0 [audio] Nov 9 07:10:26 sea kernel: eax: 000119a4 ebx: 00000002 ecx: ce48c208 edx: d6bc81a0 Nov 9 07:10:26 sea kernel: esi: d0673012 edi: d2e18a20 ebp: 00000001 esp: cda77dbc Nov 9 07:10:26 sea kernel: ds: 0068 es: 0068 ss: 0068 Nov 9 07:10:26 sea kernel: Process modprobe (pid: 925, threadinfo=cda76000 task=cfa3d840) Nov 9 07:10:26 sea kernel: Stack: e0a39460 ce48c104 ffffffff 00000001 00000000 ffffffff d2e18a34 d2e18a2c Nov 9 07:10:26 sea kernel: 00000001 00000000 d0673000 ce48c208 d738c740 031ac701 02000000 00000200 Nov 9 07:10:26 sea kernel: d0673000 00000004 e09ba524 d6dca800 80000280 00000006 00000080 00000200 Nov 9 07:10:26 sea kernel: Call Trace: Nov 9 07:10:26 sea kernel: [<e0a39460>] usb_audio_driver+0x0/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e09ba524>] usb_get_descriptor+0x94/0xb0 [usbcore] Nov 9 07:10:26 sea kernel: [<e0a363c1>] usb_audio_probe+0x131/0x1b0 [audio] Nov 9 07:10:26 sea kernel: [<e0a394e8>] usb_audio_driver+0x88/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39460>] usb_audio_driver+0x0/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39420>] usb_audio_ids+0x0/0x28 [audio] Nov 9 07:10:26 sea kernel: [<e09b4140>] usb_device_probe+0xb0/0xf0 [usbcore] Nov 9 07:10:26 sea kernel: [<e0a39420>] usb_audio_ids+0x0/0x28 [audio] Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<c01dbe55>] bus_match+0x45/0x70 Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e09c97d4>] usb_bus_type+0x114/0x140 [usbcore] Nov 9 07:10:26 sea kernel: [<c01dbf8d>] driver_attach+0x6d/0x90 Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e09c96c4>] usb_bus_type+0x4/0x140 [usbcore] Nov 9 07:10:26 sea kernel: [<e09c96c0>] usb_bus_type+0x0/0x140 [usbcore] Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39490>] usb_audio_driver+0x30/0x9c [audio] Nov 9 07:10:26 sea kernel: [<c01dc2bd>] bus_add_driver+0x6d/0x90 Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a3859a>] .rodata.str1.1+0x5d/0x77 [audio] Nov 9 07:10:26 sea kernel: [<e0a394a0>] usb_audio_driver+0x40/0x9c [audio] Nov 9 07:10:26 sea kernel: [<c01dca58>] driver_register+0x98/0xb0 Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e0a39460>] usb_audio_driver+0x0/0x9c [audio] Nov 9 07:10:26 sea kernel: [<e09b4306>] usb_register+0x86/0xd0 [usbcore] Nov 9 07:10:26 sea kernel: [<e0a39478>] usb_audio_driver+0x18/0x9c [audio] Nov 9 07:10:26 sea kernel: [<c01ce82c>] copy_from_user+0x4c/0x50 Nov 9 07:10:26 sea kernel: [<e0a365af>] usb_audio_init+0xf/0x20 [audio] Nov 9 07:10:26 sea kernel: [<e0a39460>] usb_audio_driver+0x0/0x9c [audio] Nov 9 07:10:26 sea kernel: [<c012304f>] sys_init_module+0x4ef/0x640 Nov 9 07:10:26 sea kernel: [<e0a2e060>] dmabuf_release+0x0/0x60 [audio] Nov 9 07:10:26 sea kernel: [<e0a38760>] .kmodtab+0x0/0x18 [audio] Nov 9 07:10:26 sea kernel: [<e0a2e060>] dmabuf_release+0x0/0x60 [audio] Nov 9 07:10:26 sea kernel: [<c010b373>] syscall_call+0x7/0xb Nov 9 07:10:26 sea kernel: Nov 9 07:10:26 sea kernel: Code: 80 78 02 00 79 39 83 7c 24 24 1f 0f 87 ef fc ff ff 8b 44 24
Nov 9 07:18:38 sea kernel: drivers/usb/core/hcd-pci.c: ohci-hcd @ 00:07.4, PCI device 1022:7414 Nov 9 07:18:38 sea kernel: drivers/usb/core/hcd-pci.c: irq 11, pci mem c00dc000 Nov 9 07:18:38 sea kernel: drivers/usb/core/hcd.c: new USB bus registered, assigned bus number 1 Nov 9 07:18:38 sea kernel: drivers/usb/core/hub.c: USB hub found at 0 Nov 9 07:18:38 sea kernel: drivers/usb/core/hub.c: 4 ports detected Nov 9 07:18:39 sea kernel: drivers/usb/core/hub.c: new USB device 00:07.4-1, assigned address 2 Nov 9 07:18:47 sea kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000002 Nov 9 07:18:47 sea kernel: printing eip: Nov 9 07:18:47 sea kernel: e09c0c31 Nov 9 07:18:47 sea kernel: *pde = 11715001 Nov 9 07:18:47 sea kernel: Oops: 0000 Nov 9 07:18:47 sea kernel: ohci-hcd nfsd exportfs ipv6 ehci-hcd usbcore 3c59x aic7xxx reiserfs DAC960 Nov 9 07:18:47 sea kernel: CPU: 1 Nov 9 07:18:47 sea kernel: EIP: 0060:[<e09c0c31>] Not tainted Nov 9 07:18:47 sea kernel: EFLAGS: 00010287 Nov 9 07:18:47 sea kernel: EIP is at usb_dump_endpoint_descriptor+0x21/0x1d0 [usbcore] Nov 9 07:18:47 sea kernel: eax: 00000000 ebx: 00000014 ecx: ce0db1e0 edx: ce08c000 Nov 9 07:18:47 sea kernel: esi: ce0722f5 edi: 00000000 ebp: 00000002 esp: ce08ddd0 Nov 9 07:18:47 sea kernel: ds: 0068 es: 0068 ss: 0068 Nov 9 07:18:47 sea kernel: Process cat (pid: 886, threadinfo=ce08c000 task=ce0db1e0) Nov 9 07:18:47 sea kernel: Stack: 31f8dd50 e09c51c9 ce08de18 c01c9aaf ce0722b0 e09c5180 ce08ddf8 e09c0e9d Nov 9 07:18:47 sea kernel: ce0722b0 e09c5180 00000002 00000001 00000001 00000001 00000001 00000002 Nov 9 07:18:47 sea kernel: 00000000 00000014 ce0722f5 ce0e4618 00000001 e09c0f1b 00000002 ce0722f5 Nov 9 07:18:47 sea kernel: Call Trace: Nov 9 07:18:47 sea kernel: [<e09c51c9>] .rodata.str1.32+0x2b29/0x2b73 [usbcore] Nov 9 07:18:47 sea kernel: [<c01c9aaf>] sprintf+0x1f/0x30 Nov 9 07:18:47 sea kernel: [<e09c5180>] .rodata.str1.32+0x2ae0/0x2b73 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c0e9d>] usb_dump_interface_descriptor+0xbd/0xd0 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c5180>] .rodata.str1.32+0x2ae0/0x2b73 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c0f1b>] usb_dump_interface+0x6b/0x80 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c1041>] usb_dump_config+0xa1/0xf0 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c1367>] usb_dump_desc+0xb7/0xd0 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c14a7>] usb_device_dump+0x127/0x320 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c2653>] .rodata.str1.1+0x7db/0x828 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c15d0>] usb_device_dump+0x250/0x320 [usbcore] Nov 9 07:18:47 sea kernel: [<e09c1782>] usb_device_read+0xe2/0x130 [usbcore] Nov 9 07:18:47 sea kernel: [<c0153b7c>] vfs_read+0xdc/0x150 Nov 9 07:18:47 sea kernel: [<c015417e>] sys_read+0x3e/0x60 Nov 9 07:18:47 sea kernel: [<c010b373>] syscall_call+0x7/0xb Nov 9 07:18:47 sea kernel: Nov 9 07:18:47 sea kernel: Code: 0f b6 47 02 c6 44 24 43 49 88 44 24 37 24 80 0f b6 d0 85 d2
