Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [REGRESSION 2.6.34] Suspend fails in pm_test=processor on Dell laptop | Date | Wed, 21 Apr 2010 06:51:19 +0200 |
| |
On Tuesday 20 April 2010, Rafael J. Wysocki wrote: > On Sunday 18 April 2010, Ben Gamari wrote: > > Hey all, > > > > It seems that something in the 2.6.34 merge cycle has broken suspend to RAM on > > my Dell Latitude D830. While suspend has been rock solid for several release > > cycles, as of 2.6.34-rc4 it locks up on suspend. All of the pm_test options up > > to processor work fine, precluding a driver issue. > > Hmm, does the "processors" work?
Sorry, the subject says it doesn't.
> > Unfortunately, I've been unable to get any useful output from the serial > > console during suspend. I'll try bisecting and report back when I have more > > details. Let me know what else I can do to help. > > I can't reproduce this, so it looks hardware or BIOS-related. Or it's an > obscure x86 bug.
Does switching CPU1 on/off by echoing 0/1 to
/sys/devices/system/cpu/cpu1/online
work?
Rafael
| |