Re: [2/6] 2.6.21-rc2: known regressions

Ingo Molnar
2007-03-08T23:30:55Z

* Ingo Molnar <mingo@elte.hu> wrote:

> > Here's another suspend/resume artifact: one of my boxes wouldnt
> > resume, it hangs at:
> >
> > [ 1.456633] pci 0000:00:18.2: resuming
> > [ 1.456641] pci 0000:00:18.3: resuming
> > [ 1.456648] 8139too 0000:05:07.0: resuming
> > [ 1.456667] radeonfb 0000:01:00.0: resuming
> >
> > the box is pingable but otherwise no console and it's hung as well. [I
> > got the log above via netconsole]
>
> unfortunately there's no way to get any backtrace out of the system at
> this point - the timer interrupts are not active yet here, so i cannot
> use the softlockup_tick patch to sample the lockup. Since it's
> pingable i'll try to hack a dump_stack() into icmp_reply() ;-)

didnt succeed at that - no netconsole output during the hang. But the
RADEON_FB .config options definitely make the difference. The video card
in question is:

01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)]
01:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]

Ingo