http://bugzilla.kernel.org/show_bug.cgi?id=6251
Summary: entering/exiting suspend-to-ram produces annoying beeps
on a ThinkPad X20
Kernel Version: 2.6.16-rc6
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur: 2.6.15
Distribution: Debian
Hardware Environment: IBM ThinkPad X20 (PIII/600, 440BX, 320MB)
Software Environment: hibernate script 1.12 used for suspending
Problem Description:
In all 2.6 kernels that I've used up to 2.6.15, suspend-to-ram works fine and
without hassles. In 2.6.16-rc6 however, when the computer enters and exits
suspend-to-ram it produces a series of annoying beeps, which also have the
effect of slowing down the whole process. Otherwise everything seems to work
equally well. The beep sequence is the same as the one produced by `echo 1 >
/proc/acpi/ibm/beep`. IIRC, the beep sequence is also produced when I suspend to
disk (using suspend2, mind you), where I've instructed the hibernate script to
enter S4 rathen than S5 (not that it appears to make much difference other than
the suspend led blinking on poweron).
I'm attaching the dmesg output that shows the kernel messages when this happens,
and also a dmesg output from 2.6.15-suspend2 (sorry, no vanilla, but I can
provide one if necessary; but suspend2 seems to be orthogonal to all this
anyway), where everything works fine.
If I had to guess, I'd say that the ACPI implementation has increased checks for
errors it was previously ignoring; in my case, those AE_TIME errors. Also, this
*might* be related to bug #6075.
Steps to reproduce:
Enter / exit suspend-to-ram mode on the mentioned computer.
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