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Date:      Tue, 8 Nov 2011 11:11:39 +0200
From:      Kostik Belousov <kostikbel@gmail.com>
To:        "Sergey A. Osokin" <osa@freebsd.org>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: ThinkPad X1, display messed up after resume
Message-ID:  <20111108091139.GE50300@deviant.kiev.zoral.com.ua>
In-Reply-To: <20111108085132.GA64998@FreeBSD.org>
References:  <20111108085132.GA64998@FreeBSD.org>

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On Tue, Nov 08, 2011 at 08:51:32AM +0000, Sergey A. Osokin wrote:
> Hi,
>=20
> 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.
>=20
> 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[]).
>=20
> According to handbook, I'd like to post debugging information.
>=20
> 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
>=20
> 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.
>=20
> --=20
> Sergey A. Osokin
> osa@FreeBSD.ORG
> _______________________________________________
> freebsd-acpi@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-acpi
> To unsubscribe, send any mail to "freebsd-acpi-unsubscribe@freebsd.org"

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