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SubjectRe: USBDEVFS_RESET deadlocks USB bus.
On Fri, Jun 04, 2004 at 04:02:11PM -0400, Zephaniah E. Hull wrote:
>
> lt-pilot-xfer D 00000000 0 11415 2709 (NOTLB)
> d2ad3eb0 00000086 c022391a 00000000 3231203a 000a2e35 00000001 d2ad3ea7
> d4edd000 d7fc8a00 c8449790 00000000 abb31900 000f447a c4bae4b8 c977d824
> 00000246 d2ad2000 d2ad3eec c0336735 c977d82c c4bae310 00000001 c4bae310
> Call Trace:
> [<c0336735>] __down+0x85/0x120
> [<c033692f>] __down_failed+0xb/0x14
> [<c026af27>] .text.lock.hub+0x69/0x82
> [<c0272b7f>] usbdev_ioctl+0x19f/0x710
> [<c015a45d>] file_ioctl+0x5d/0x170
> [<c015a686>] sys_ioctl+0x116/0x250
> [<c0103f8f>] syscall_call+0x7/0xb
>
> This is on 2.6.7-rc2-mm1.

Ah, can you not try the -mm1 kernel? This problem should not be in the
mainline kernel. There was a locking issue in the last bk-usb patch
that made it into the -mm1 kernel that was fixed yesterday.

thanks,

greg k-h
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