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SubjectRe: 2.6.25-rc7: Ugh.
Hi!

>> It is with great reluctance when I attempt moving my main "desktop"
>> over to a new kernel version -- because the USB subsystem seems to
>> break every single time.
>>
>> So today I tried 2.6.25-rc7 on it for the first time.
>> Not good.
>>
>> It boots, but just a simple suspend/resume (RAM) was enough to kill it.
>> It comes back on resume, with an X desktop again,
>> but with no USB functionality -- no mouse.
>>
>> The keyboard still works, so I dropped to a console and tried:
>>
>> rmmod usbhid
>> insmod usbhid
>>
>> And the console hung at 100% CPU on the insmod.
>> Back to 2.6.24.3 again, for now -- I've got work to do.
>>
>> The specs of this machine have been posted with great regularity
>> in the past, every new kernel revision it seems. So here we go again:
>>
>> Dell Inspiron 9400 notebook, Intel Core2Duo T7400, 2GB SDRAM.
> ..
>
> Correction there: 3GB of RAM, not 2.

3GB of RAM can be a problem. Try iommu=soft. .. but in such case
rmmod/insmod of usbhid would not help...

If rmmod/insmod usbhid helps, and system is fully working after that,
then it is probably usb problem....

Is your problem fixed after latest RTC findings? If not, try to debug
insmod/rmmod of usb, first. If that does not work, it is unlikely
suspend/resume will.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
pomozte zachranit klanovicky les: http://www.ujezdskystrom.info/


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