Messages in this thread | | | Date | Fri, 21 Mar 2008 22:17:43 +0100 (CET) | From | Mikulas Patocka <> | Subject | Re: APM crashes when IO is going on |
| |
> > I found another problem --- present in 2.6.23.1, 2.6.25rc3, 2.6.25rc6 > > > > --- when I run three threads concurrently reading raw disk partition and > > suspend, I get 100% reproducible failure. (with one thread running it > > usually succeeds, sometimes fail) > > Are they userland threads or kernel threads?
Useland threads. Just dd if=/dev/hda of=/dev/null
> > Either the on-going I/O will jam BIOS and I need to remove power to > > continue. > > > > Or the machine suspends, wakes up and reports "hda: lost interrupt" > > (2.6.23.1 was able to recover from this condition, 2.6.25rc3,6 does not > > recover and it is not able to send any more disk IOs). > > > > How is suspending disk IO supposed to work? > > That depends on the driver, if I understand your question correctly.
The driver is normal IDE.
> > And why it doesn't? > > Hard to tell. You didn't provide much information ... > > Thanks, > Rafael
Mikulas
| |