RE: [ACPI] 2.6.14.3 suspend/resume with SMP (HT)

[Li, S. <sha...@in...>]

Hi,
>
>am a little stuck with suspend/resume on my ubuntu breezy system with a
>vanilla 2.6.14.3 kernel built according to
>http://www.columbia.edu/~ariel/acpi/acpi_howto.html
>
>Can't get it to suspend cleanly in normal runlevels, but when I boot to
>single user mode without vesafb, fbcon etc. and if I stop next to
>everything (NetworkManager, pcmcia, alsa etc.) and then unload all
sorts
>of modules I can get the system to suspend ... though it seems to hang
>with a line "Shutdown: hda" till I hit Enter.
>
>Now, when I resume, I get:
>
>Thawing cpus ...
>Booting processor 1/1 eip 3000
>Initializing CPU#1
>Stuck ??
>Inquiring remote API #1...
>... APIC #1 ID: failed
>... APIC #1 VERSION: failed
>... APIC #1 SPIV: failed
>Error taking cpu 1 up: -22
>Kernel panic - not synching: Not enough cpus
>
>While I tend to agree that I could use some more CPUs I don't panic
about
>it ;)
>
>Anyway, from what I see on this list the code that actually gives this
>output seems to be in some of the required patches mentioned here. Is
it
>safe to assume that 2.6.14.3 includes the patches needed for
>suspend/resume on a P4 with SMP/HT/PREEMPT in the kernel?
I think it's yes.
Could you please try the CPU offline and online in the system?
just do
offline:
echo 0 > /sys/devices/system/cpu/cpu1/online
online:
echo 1 > /sys/devices/system/cpu/cpu1/online
please check if the CPU1 is correctly online after that.

Thanks,
Shaohua