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SubjectRe: Linux 2.4.19-pre9, still USB freeze
Stephan von Krawczynski wrote:
> On Wed, 29 May 2002 15:55:52 +0200
> Peter Wächtler <> wrote:
>>Stephan von Krawczynski wrote:
>>>as noted for pre8, pre9 freezes still, when connecting a sandisk SDDR-05 to
>>>USB(only device attached), and trying to mount some compact-flash. Or, as
>>>an alternative test, even with no compact flash inserted, when starting up
>>>xcdroast. Both completely freezes the machine.
>>>pre6 was ok.
>>Is that on a SMP machine?
> Yes, this is SMP (Asus CUV4X-D, via chipset), dual PIII.
>>I think usb-storage is not completely SMP safe.
>>I had occasional lockups on SMP - since I connected the readers to UP
>>I had no single lockup. At work I do write a lot of compactflashes.
> Interestingly everything works well with pre6, whereas pre8 and pre9 _always_
> freeze.

I let my SMP box run overnight. WHEN there was a crash when writing CF
(perhaps every 2 weeks or so), THEN I got sometimes BIG problems with
writing even after a reboot - locked up again immediatly.
IIRC my workaround was to remove the modules and load them again
before using them. Yes, sounds weird.
I tried to analyse the problem but gave up. I used usb-uhci on 2.4.9
to 2.4.18-SuSE

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