On Wed, 28 Jan 2004, Martin Bogomolni wrote:
> Alan,
>
> I am seeing USB hangs with in both ECHI+OCHI and just with OHCI enabled as
> well on an IBM w/ Intel 82801EB chipset, on a system with kernel 2.4.24
> patched with Alan C.'s one liner and Oliver's patch as well.
>
> The system is performing a sector-based image of the primary drive on the
> first IDE controller, to the USB disk .. ~15Gb of data in total is being
> transferred. The lockup occurs relatively rapidly, usually before 1GiB of
> data is copied over.
>
> The system is running without swap, and is in a low memory condition when the
> hangup occurs (about 2MiB of free RAM).
>
> I'd be happy to provide any information (logs, et. al.) you may need. I have
> recompiled the kernel with USB debugging on.
Have you tried adding
max_sectors: 128,
into the definition of usb_stor_host_template?
If that doesn't help, do post the debugging log you get when you configure
usb-storage debugging on.
Alan Stern
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