Messages in this thread | | | Date | Sun, 30 Mar 2008 16:15:50 -0400 | From | Mark Lord <> | Subject | Re: [Bug 10345] USB HID problems after resume |
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Pavel Machek wrote: > On Sun 2008-03-30 13:46:25, Mark Lord wrote: >> Pavel Machek wrote: >>> On Sat 2008-03-29 13:15:40, Mark Lord wrote: >>> .. >>>> Just happened again. The machine resumed from RAM with no functioning USB. >>>> Still running the exact same 2.6.25-rc7 kernel as before, with the RTC conflict fixed. >>>> >>>> WTF? >>>> 3GB of RAM? Try iommu=soft. >> .. >> >> What does that option do (it is not in Documentation/kernel-parameters.txt), >> and why do you suspect it may make a difference here? > > See x86_64/boot-options.txt . Yes, that should be fixed. > > I had strange problems, and it looks like iommu does not have proper > suspend/resume support. > 3GB machines hit that. Do you have one? ..
This is a 32-bit system / kernel, so I'm guessing that this option is not applicable.
Right? (it does have 3GB of RAM, though).
Cheers
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