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DateTue, 16 Mar 2004 14:32:47 +0530
FromManeesh Soni <>
SubjectRe: 2.6.4-bk3 and usb key: OOPS at removal
There is a fix by James Bottomley in 2.6.4-bk4, which might fix your problem.
http://marc.theaimsgroup.com/?l=bk-commits-head&m=107928795812635&w=2

Please try the latest kernel.

Thanks
Maneesh

On Mon, Mar 15, 2004 at 09:57:19PM +0000, Colin Leroy wrote:
> Hi,
> Using 2.6.4-bk3 (the patch found at kernel.org), on an iBook G4 (ohci/ehci), i get oopses when disconnecting an usb key:
> 
> P: C008C130 LR: C008D32C SP: C0D9FD70 REGS: c0d9fcc0 TRAP: 0301    Not tainted
> MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
> DAR: 00000008, DSISR: 40000000
> TASK = c0c46000[5] 'khubd' Last syscall: 120
> GPR00: C008D32C C0D9FD70 C0C46000 00000000 C0249294 E748F1C0 C0334350 C0350000
> GPR08: 0000000C C02BB82C C02B7580 E6E32650 42008028
> Call trace:
>  [c008d32c] sysfs_remove_link+0x14/0x24
>  [c010a4e0] class_device_dev_unlink+0x38/0x3c
>  [c010aa00] class_device_del+0xd0/0x12c
>  [c010aa74] class_device_unregister+0x18/0x34
>  [c015c2e4] scsi_remove_device+0x54/0xb0
>  [c015b70c] scsi_forget_host+0x40/0x7c
>  [c0154c70] scsi_remove_host+0x2c/0x6c
>  [ea3b9614] storage_disconnect+0x50/0x6c [usb_storage]
>  [c0198adc] usb_unbind_interface+0x88/0x8c
>  [c0109a40] device_release_driver+0x84/0x88
>  [c0109be0] bus_remove_device+0x74/0xd0
>  [c01085a8] device_del+0xac/0x104
>  [c019f538] usb_disable_device+0x9c/0xd8
>  [c01997a8] usb_disconnect+0x9c/0x134
>  [c019bbbc] hub_port_connect_change+0x28c/0x290
> 
> hth,
> -- 
> Colin
> -
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-- 
Maneesh Soni
Linux Technology Center, 
IBM Software Lab, Bangalore, India
email: maneesh@in.ibm.com
Phone: 91-80-25044999 Fax: 91-80-25268553
T/L : 9243696
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