On Thursday 11 June 2009, Johannes Stezenbach wrote:
> Hi,
>
> on my work machine susend-to-disk is broken in 2.6.30. Last
> known working kernel was 2.6.29.1. I'm running a 32bit kernel.
> CPU is an AMD Athlon(tm) Dual Core Processor 4850e.
> Board is a Gigabyte GA-MA78GM-S2H rev 1.1.
>
> - usually it stops on suspend after the message
> "Suspending console(s) (use no_console_suspend to debug)"
>
> - I booted with no_console_suspend using serial console
> as recommended in Documentation/power/basic-pm-debugging.txt.
>
> No joy, apparently the serial driver is disabled during suspend
> and no interesting output on serial console...
>
> - no_console_suspend on VESA fb console worked better, last msg is
> "Disabling non-boot CPUs ..."
>
> - I stripped down my config, and after serveral retries
> it _sometimes_ gets past the "Disabling non-boot CPUs ...".
> Then the last lines are (penciled from screen):
>
> Enabling non-boot CPUs ...
> SMP alternatives: switching to SMP code
> Booting processor 1 APIC 0x1 ip 0x6000
> Initializing CPU#1
> Stuck ??
> Error taking CPU#1 up: -5
>
> I also got past this point once, but then it hung at the
> same spot on resume.
>
> - I tried echo 0 > /sys/devices/system/cpu/cpu1/online
>
> CPU 1 is now offline
> SMP alternatives: switching to UP code
> CPU0 attaching NULL sched-domain.
> CPU1 attaching NULL sched-domain.
> CPU0 attaching NULL sched-domain.
> PM: Removing info for No Bus:msr1
> PM: Removing info for No Bus:cpu1
>
> - and echo 1 > /sys/devices/system/cpu/cpu1/online
>
> PM: Adding info for No Bus:msr1
> PM: Adding info for No Bus:cpu1
> SMP alternatives: switching to SMP code
> Booting processor 1 APIC 0x1 ip 0x6000
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 5022.45 BogoMIPS (lpj=10044915)
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 512K (64 bytes/line)
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#1.
> CPU1: AMD Athlon(tm) Dual Core Processor 4850e stepping 02
> CPU0 attaching NULL sched-domain.
> Switched to high resolution mode on CPU 1
> CPU0 attaching sched-domain:
> domain 0: span 0-1 level CPU
> groups: 0 1
> CPU1 attaching sched-domain:
> domain 0: span 0-1 level CPU
> groups: 1 0
> Warning: Processor Platform Limit event detected, but not handled.
> Consider compiling CPUfreq support into your kernel.
>
>
> Kernel config, dmesg and lspci below. Is there anyting I could
> try besides git bisect?
Perhaps. Please check if the kernel where the following commit is the head:
commit 2ed8d2b3a81bdbb0418301628ccdb008ac9f40b7
Author: Rafael J. Wysocki <rjw@xxxxxxx>
Date: Mon Mar 16 22:34:06 2009 +0100
PM: Rework handling of interrupts during suspend-resume
is also broken.
Best,
Rafael
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