Hi. On Wed, 2007-04-18 at 18:56 -0400, Bob Picco wrote: > Ingo Molnar wrote: [Wed Apr 18 2007, 06:02:28PM EDT] > > > > * Christian Hesse <[email protected]> wrote: > > > > > > although probably your suspend2 problem is still not fixed, it's > > > > worth a try nevertheless. Which suspend2 patch did you apply, and > > > > was it against -rc6 or -rc7? > > > > > > You are right again. ;-) > > > > > > Linux 2.6.21-rc7 > > > Suspend2 2.2.9.11 (applies cleanly to -rc7) > > > CFS v3 (without any additional patches) > > > > > > And it still hangs on suspend. > > > > what's the easiest way for me to try suspend2? Apply the patch, reboot > > into the kernel, then execute what command to suspend? (there's a > > confusing mismash of initiators of all the suspend variants. Can i drive > > this by echoing to /sys/power/state?) > > > > Ingo > I had hoped to collect more data with CFS V2. It crashes in > scale_nice_down for s2ram when attempting to disable_nonboot_cpus. > So part of traceback looks like (typed by hand with obvious omissions): > > scale_nice_down > update_stats_wait_end - not shown in traceback because inlined > pick_next_task_fair > migration_call > task_rq_lock > notifier_call_chain > _cpu_down > disable_nonboot_cpus > ... > > This is standard -rc7 with V2 CFS applied. It could be a completely > unrelated issue. I'll attempt to debug further tomorrow. That - and Christian's other reply with the jpg - look to me more like this is an interaction between CFS and cpu hotplugging than Suspend2 itself. Can you also reproduce this with swsusp? Regards, Nigel
Attachment:
signature.asc
Description: This is a digitally signed message part
- References:
- [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]
- From: Ingo Molnar <[email protected]>
- Re: CFS and suspend2: hang in atomic copy
- From: Christian Hesse <[email protected]>
- Re: CFS and suspend2: hang in atomic copy
- From: Ingo Molnar <[email protected]>
- Re: CFS and suspend2: hang in atomic copy
- From: Christian Hesse <[email protected]>
- Re: CFS and suspend2: hang in atomic copy
- From: Ingo Molnar <[email protected]>
- Re: CFS and suspend2: hang in atomic copy
- From: "Bob Picco" <[email protected]>
- [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]
- Prev by Date: PCI: Unable to handle 64-bit address space for
- Next by Date: Re: 2.6.21-rc6-mm1 ATA HPT37x regression
- Previous by thread: Re: CFS and suspend2: hang in atomic copy
- Next by thread: Re: CFS and suspend2: hang in atomic copy
- Index(es):
 |