[Bug 604252] Re: system freeze before entering suspend

[Kai Jauch]

It definitely does a vt switch. /var/log/Xorg.0.log when
suspending/resuming:

[ 51444.800] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 51447.983] (II) Open ACPI successful (/var/run/acpid.socket)
[ 51447.983] (II) AIGLX: Resuming AIGLX clients after VT switch

The thing is: why is it vt switching? It actually shouldn't do that.

>From /var/log/pm-suspend.log:
-----
[...]
Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend:
Kernel modesetting video driver detected, not using quirks.

/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/99video suspend suspend:
kernel.acpi_video_flags = 0

/usr/lib/pm-utils/sleep.d/99video suspend suspend: success.
Sat Sep  4 11:45:56 CEST 2010: performing suspend
Sat Sep  4 11:46:05 CEST 2010: Awake.
Sat Sep  4 11:46:05 CEST 2010: Running hooks for resume
Running hook /usr/lib/pm-utils/sleep.d/99video resume suspend:

/usr/lib/pm-utils/sleep.d/99video resume suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend:

/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend: success
[...]
-----

/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler says:
[...]
        elif using_kms; then
            # Using kernel modesetting?  No quirks, and do not change vts.
            remove_parameters $possible_video_quirks
            add_parameters --quirk-no-chvt
            echo "Kernel modesetting video driver detected, not using quirks."
[...]

-- 
system freeze before entering suspend
https://bugs.launchpad.net/bugs/604252
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