[Pm-utils] second suspend/resume cycle hangs on resume
Brian J. Murrell
brian at interlinx.bc.ca
Mon Dec 15 18:58:05 PST 2008
On Tue, 16 Dec 2008 10:39:10 +1100, Nigel Cunningham wrote:
> Hi Brian.
Hi,
> Sorry for putting you wrong there - now that I've read the menuconfig
> page about the i915 module, I know that it's the DRM module for X.
Yeah. I came to that conclusion as well.
> Without X running, it _should_ be unloadable.
And in fact when booting with init=/bin/bash, it isn't even loaded at
all, but that doesn't help unfortunately.
> The only remaining thing I can think of is to ask you to send us your
> dmesg, preferably including the output from the first cycle. If you were
> to turn on Verbose Power Management debugging messages as well (if
> they're not already on - in the Power management and ACPI options menu
> in the kernel config) and make the kernel log buffer nice and big so no
> output is lost (General setup -> Kernel log buffer size), that would be
> great.
OK. Rebuilding now. I configured a kernel log buffer size of 524288
(shift 19) so that should be good and big.
When done, I will boot into single user mode again and do a suspend/
resume and save the dmesg output and attach it here (or post it somewhere
and point to it here). Of course, I can't send the dmesg from the second
cycle as it's dead after the second cycle resume.
If only this (what's turning out to be a POS) laptop (that's going back
to the store if this does not resolve fairly soon) had a serial port I
could get a serial console and capture that.
b.
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