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usb audio null pointer

DISCUSSION Kevin Brosius 2 participants 2 messages Nov 8, 2002 – Nov 11, 2002

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I've tried the latest usb changes from the bk tree, and continue to see the attached null pointer problem when trying to install the 'audio' module.

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Kevin
Nov  7 23:52:13 sea kernel: drivers/usb/core/hcd-pci.c: ohci-hcd @ 00:07.4, PCI device 1022:7414
Nov  7 23:52:13 sea kernel: drivers/usb/core/hcd-pci.c: irq 11, pci mem c00dc000
Nov  7 23:52:13 sea kernel: drivers/usb/core/hcd.c: new USB bus registered, assigned bus number 1
Nov  7 23:52:13 sea kernel: drivers/usb/core/hub.c: USB hub found at 0
Nov  7 23:52:13 sea kernel: drivers/usb/core/hub.c: 4 ports detected
Nov  7 23:52:21 sea kernel: drivers/usb/core/hub.c: new USB device 00:07.4-1, assigned address 2
Nov  7 23:52:35 sea kernel: Unable to handle kernel NULL pointer dereference at virtual address 000001f6
Nov  7 23:52:35 sea kernel:  printing eip:
Nov  7 23:52:35 sea kernel: e0a3611e
Nov  7 23:52:35 sea kernel: *pde = 0d6f5001
Nov  7 23:52:35 sea kernel: Oops: 0000
Nov  7 23:52:35 sea kernel: audio soundcore ohci-hcd nfsd exportfs ipv6 ehci-hcd usbcore 3c59x aic7xxx reiserfs DAC960  
Nov  7 23:52:35 sea kernel: CPU:    0
Nov  7 23:52:35 sea kernel: EIP:    0060:[<e0a3611e>]    Not tainted
Nov  7 23:52:35 sea kernel: EFLAGS: 00010202
Nov  7 23:52:35 sea kernel: EIP is at usb_audio_parsecontrol+0x45e/0x5d0 [audio]
Nov  7 23:52:35 sea kernel: eax: 000001f4   ebx: 00000002   ecx: cda7a208   edx: d7a7c560
Nov  7 23:52:35 sea kernel: esi: d444b812   edi: d055c720   ebp: 00000001   esp: cd6f9dbc
Nov  7 23:52:35 sea kernel: ds: 0068   es: 0068   ss: 0068
Nov  7 23:52:35 sea kernel: Process modprobe (pid: 927, threadinfo=cd6f8000 task=cda807c0)
Nov  7 23:52:35 sea kernel: Stack: e0a39460 cda7a104 ffffffff 00000001 00000000 ffffffff d055c734 d055c72c 
Nov  7 23:52:35 sea kernel:        00000000 00000001 d444b800 cda7a208 d055c3e0 031ac3e0 02000000 00000200 
Nov  7 23:52:35 sea kernel:        d444b800 00000004 e09ba524 d0513800 80000280 00000001 00000080 00000200 
Nov  7 23:52:35 sea kernel: Call Trace:
Nov  7 23:52:35 sea kernel:  [<e0a39460>] usb_audio_driver+0x0/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e09ba524>] usb_get_descriptor+0x94/0xb0 [usbcore]
Nov  7 23:52:35 sea kernel:  [<e0a363c1>] usb_audio_probe+0x131/0x1b0 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a394e8>] usb_audio_driver+0x88/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39460>] usb_audio_driver+0x0/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39420>] usb_audio_ids+0x0/0x28 [audio]
Nov  7 23:52:35 sea kernel:  [<e09b4140>] usb_device_probe+0xb0/0xf0 [usbcore]
Nov  7 23:52:35 sea kernel:  [<e0a39420>] usb_audio_ids+0x0/0x28 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<c01dbe55>] bus_match+0x45/0x70
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e09c97d4>] usb_bus_type+0x114/0x140 [usbcore]
Nov  7 23:52:35 sea kernel:  [<c01dbf8d>] driver_attach+0x6d/0x90
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e09c96c4>] usb_bus_type+0x4/0x140 [usbcore]
Nov  7 23:52:35 sea kernel:  [<e09c96c0>] usb_bus_type+0x0/0x140 [usbcore]
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39490>] usb_audio_driver+0x30/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<c01dc2bd>] bus_add_driver+0x6d/0x90
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a3859a>] .rodata.str1.1+0x5d/0x77 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a394a0>] usb_audio_driver+0x40/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<c01dca58>] driver_register+0x98/0xb0
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39460>] usb_audio_driver+0x0/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<e09b4306>] usb_register+0x86/0xd0 [usbcore]
Nov  7 23:52:35 sea kernel:  [<e0a39478>] usb_audio_driver+0x18/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<c01ce82c>] copy_from_user+0x4c/0x50
Nov  7 23:52:35 sea kernel:  [<e0a365af>] usb_audio_init+0xf/0x20 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a39460>] usb_audio_driver+0x0/0x9c [audio]
Nov  7 23:52:35 sea kernel:  [<c012304f>] sys_init_module+0x4ef/0x640
Nov  7 23:52:35 sea kernel:  [<e0a2e060>] dmabuf_release+0x0/0x60 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a38760>] .kmodtab+0x0/0x18 [audio]
Nov  7 23:52:35 sea kernel:  [<e0a2e060>] dmabuf_release+0x0/0x60 [audio]
Nov  7 23:52:35 sea kernel:  [<c010b373>] syscall_call+0x7/0xb
Nov  7 23:52:35 sea kernel: 
Nov  7 23:52:35 sea kernel: Code: 80 78 02 00 79 39 83 7c 24 24 1f 0f 87 ef fc ff ff 8b 44 24 
#1 lore raw
Quoted 3 lines · Kevin Brosius

I've tried the latest usb changes from the bk tree, and continue to see the attached null pointer problem when trying to install the 'audio' module.

Can you mail me a lsusb descriptor dump and cc
[email protected]

Thanks
Tom