Messages in this thread | | | Date | Sun, 30 Mar 2008 17:04:25 -0400 | From | Mark Lord <> | Subject | Re: 2.6.25-rc7: Ugh. |
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Pavel Machek wrote: > 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... ..
Booted with mem=2GB, and USB hung again on the first suspend/resume cycle.
-ml
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