ThinkPad X1, display messed up after resume

[Kostik Belousov]

On Tue, Nov 08, 2011 at 08:51:32AM +0000, Sergey A. Osokin wrote:
> Hi,
> 
> I have a problem with Lenovo ThinkPad X1 1291-2LG and ACPI, the display
> did not powered up after resume.  The laptop accessible over the network,
> also keyboard works fine after resume.
> 
> Laptop with latest version of BIOS, 1.27.
> I'm running FreeBSD 9.0-RC1, most drivers compiled as modules.
> I'm using latest patch from kib@ (i.e. http://wiki.freebsd.org/Intel_GPU) and
The driver does not support suspend/resume, the code is simply missed.
I think it should take 3-4 hours of your time to import and debug Linux
i915_suspend.c.

> one-string patch for /sys/dev/acpi_support/acpi_ibm.c (add "LEN0068" to
> ibm_ids[]).
> 
> According to handbook, I'd like to post debugging information.
> 
> o) boot -v (with ACPI enabled) - http://people.freebsd.org/~osa/x1/dmesg.boot.txt
> o) pciconf -lv - http://people.freebsd.org/~osa/x1/pciconf.lv.txt
> o) sysctl hw.acpi - http://people.freebsd.org/~osa/x1/hw.acpi.txt
> o) acpidump -dt - http://people.freebsd.org/~osa/x1/osa-ThinkPadX1.asl
> 
> Also, I tried to set hw.acpi.reset_video to 1 (default value is 0) and
> hw.acpi.sleep_delay to longer value (default is 1), but both tricks
> does not help me.
> 
> -- 
> Sergey A. Osokin
> osa at FreeBSD.ORG
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