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SubjectMachine resumes straight after suspend to RAM (or disk)
From
Hi,

I thought I'd enable suspend and resume on my desktop machine so I
could save myself some time in the morning when I restart the machine.
The machine is fairly standard Intel Core Duo based system (lspci
attached). However when I execute pm-suspend (or Gentoo's own
hibernate-script) the system does suspend but resumes immediately. To
add insult to injury the ethernet doesn't come back properly and needs
a reboot to reset it.

I've played about a little with the ACPI debug stuff but it's easy to
overflow the dmesg buffer. The relevant section around the
suspend/resume looks like:

[ 1025.178019] Disabling non-boot CPUs ...
[ 1025.182071] kvm: disabling virtualization on CPU1
[ 1025.227729] CPU 1 is now offline
[ 1025.227731] SMP alternatives: switching to UP code
[ 1025.232627] CPU0 attaching NULL sched-domain.
[ 1025.232630] CPU1 attaching NULL sched-domain.
[ 1025.232634] CPU0 attaching NULL sched-domain.
[ 1025.232771] CPU1 is down
[ 1025.233264] acpi_suspend_enter acpi_state=3
[ 1025.233276] evgpeblk-0144 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Entry
[ 1025.233286] evgpeblk-0178 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233290] evgpeblk-0144 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Entry
[ 1025.233299] evgpeblk-0178 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233303] evgpeblk-0144 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Entry
[ 1025.233311] evgpeblk-0178 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233315] evgpeblk-0144 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Entry
[ 1025.233319] evgpeblk-0178 [ffff8800b70d8000] [05] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233319] evxfevnt-0074 [ffff8800b70d8000] [05] enable
: ----Entry
[ 1025.233319] evxfevnt-0086 [ffff8800b70d8000] [05] enable
: System is already in ACPI mode
[ 1025.233319] evxfevnt-0101 [ffff8800b70d8000] [05] enable
: ----Exit- AE_OK
[ 1025.233319] evxfevnt-0397 [ffff8800b70d8000] [05] clear_event
: ----Entry
[ 1025.233319] evxfevnt-0413 [ffff8800b70d8000] [05] clear_event
: ----Exit- AE_OK
[ 1025.233319] evxfevnt-0831 [ffff8800b70d8000] [05] disable_all_gpes
: ----Entry
[ 1025.233319] evgpeblk-0144 [ffff8800b70d8000] [07] ev_walk_gpe_list
: ----Entry
[ 1025.233319] evgpeblk-0178 [ffff8800b70d8000] [07] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233319] evgpeblk-0144 [ffff8800b70d8000] [07] ev_walk_gpe_list
: ----Entry
[ 1025.233319] evgpeblk-0178 [ffff8800b70d8000] [07] ev_walk_gpe_list
: ----Exit- AE_OK
[ 1025.233319] evxfevnt-0841 [ffff8800b70d8000] [05] disable_all_gpes
: ----Exit- AE_OK
[ 1025.233319] Back to C!
[ 1025.233319] CPU0: Thermal LVT vector (0xfa) already installed
[ 1025.233319] Enabling non-boot CPUs ...
[ 1025.233319] SMP alternatives: switching to SMP code
[ 1025.237548] Booting processor 1 APIC 0x1 ip 0x6000
[ 1025.232536] Initializing CPU#1
[ 1025.232536] Calibrating delay using timer specific routine..
4245.78 BogoMIPS (lpj=8491564)

Unfortunately the ACPI stuff is all Greek to me. If anyone wants
additional debug information then please let me know.

So any ideas?

--
Alex, homepage: http://www.bennee.com/~alex/
http://www.half-llama.co.uk
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