http://bugzilla.kernel.org/show_bug.cgi?id=11963
Summary: Thinkpad W500 does not resume after second S3 suspend
Product: ACPI
Version: 2.5
KernelVersion: 2.6.28-rc3-git
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
This laptop fails to resume from a second suspend-to-RAM, although resuming
from the first suspend works just fine.
Adding acpi_sleep=s3_beep generates beeps during the first resume, but no beeps
during the second resume attempt. On second resume attempt, the disk light
flickers briefly, but the suspend LED (crescent shape) stays solid-on, and the
laptop exhibits no other signs of activity.
I tried to enable PM tracing (echo 1 > /sys/power/pm_trace), but since the
kernel doesn't even beep the second time around, I don't get any "hash match"
dmesg entries on reboot.
This happens in a kernel built from recent git
(75fa67706cce5272bcfc51ed646f2da21f3bdb6e). I disabled SMP, USB, and ATA/SATA
in the kernel config (there appears to be an unrelated bug where AHCI cannot
talk to the disk even after the first suspend).
What other information would be useful in this case?
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