I wrote: > I have an issue with suspend to RAM and I/O load on a disk. Symptoms > are that the disk does not respond to requests when woken up, producing > only I/O errors on all tested kernels (newest 2.6.35-rc4 (Ubuntu > mainline PPA build)): > <snip> > This can be triggered most reliably with multiple "direct" writes to > disk, I create the load with the attached script. If the issue is > triggered, suspend (through pm-suspend) takes very long. Attached now... > IMHO the interesting log output during suspend is: > [ 1674.700125] ata1.00: qc timeout (cmd 0xec) Almighty google suggested to try "pci=nomsi", which seems to have cured the issue for me for now. Is that plausible? I'll keep this under observation. Thanks, Stephan
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