Re: [linux-usb-devel] linux-2.5.8-pre1/drivers/usb/uhci.o locks up hard

Greg KH (greg@kroah.com)
Thu, 4 Apr 2002 09:31:03 -0800


On Thu, Apr 04, 2002 at 06:10:36AM -0800, Adam J. Richter wrote:
> I have not analyzed this problem fully and it's not particularly
> urgent, but I thought I ought to report it just to make it part of
> the knowledge base.
>
> linux-2.5.8-pre1/drivers/usb/uhci.o locks up hard after printing
> "hub.c: 2 ports detected" on both my Sony Picturebook PCG-C1VN (Transmeta)
> and a Pentium 3 desktop machine with a VIA chipset. Oddly, uhci.o seems
> to be fine on my older Kapok 1100m Pentium 2 notebook. I believe uhci.o
> gave me null pointer dereferences or something similar on my Picturebook
> under 2.5.7 also.

Are you running with CONFIG_DEBUG_SLAB enabled and CONFIG_SMP?
I have the same problem running with this configuration, and the uhci.c
driver author knows about it and is working on tracking down the
problem.

thanks,

greg k-h
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