linux-kernel - SwSusp to disk doesn't work

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Date:	Sun, 11 Mar 2007 19:08:25 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	linux-kernel@...r.kernel.org
Subject: SwSusp to disk doesn't work - Try 2

Suspend to disk doesn't work on my laptop.

The suspend seems to hang while enabling the non-boot cpus again.

with platform = "test" and state = "disk" i get this:
"
[cut]
acpi device:02: freeze
video video:00: freeze
acpi device:01: freeze
acpi PNP0C02:00: freeze
pci_root PNP0A08:00: freeze
button PNP0C0E:00: freeze
button PNP0C0C:00: freeze
acpi APP0002:00: freeze
button PNP0C0D:00: freeze
ac ACPI0003:00: freeze
acpi device:00: freeze
processor ACPI0007:01: freeze
processor ACPI0007:00: freeze
button button_power:00: freeze
acpi acpi_system:00: freeze
Disabling non-boot CPUs ...
CPU 1 is now offline
SMP alternatives: switching to UP code
PM: Removing info for No Bus:cpu1
PM: Removing info for No Bus:msr1
CPU1 is down
swsusp debug: Waiting for 5 seconds.
Enabling non-boot CPUs ...

----> Here the process hangs. But a fortunate coincidence showed me that 
an acpi event continues the process (pressing the power off button a few 
times... (2x - 4x)  ).

SMP alternatives: switching to SMP code
Booting processor 1/1 eip 3000
CPU 1 irqstacks, hard=c0389000 soft=c0387000
Initializing CPU#1
Calibrating delay using timer specific routine.. 3663.73 BogoMIPS 
(lpj=6103576)
CPU: After generic identify, caps: bfe9fbff 00100000 00000000 00000000 
0000c1a9 00000000 00000000
monitor/mwait feature present.
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 2048K
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 1
CPU: After all inits, caps: bfe9fbff 00100000 00000000 00002940 0000c1a9 
00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#1.
CPU1: Intel Genuine Intel(R) CPU           T2400  @ 1.83GHz stepping 08
PM: Adding info for No Bus:cpu1
PM: Adding info for No Bus:msr1
CPU1 is up
acpi acpi_system:00: resuming
button button_power:00: resuming
processor ACPI0007:00: resuming
processor ACPI0007:01: resuming
acpi device:00: resuming
ac ACPI0003:00: resuming
button PNP0C0D:00: resuming
acpi APP0002:00: resuming
button PNP0C0C:00: resuming
button PNP0C0E:00: resuming
pci_root PNP0A08:00: resuming
"

Any ideas?

The same is true for disk = "platform".

With kind regards
thomas

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