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SubjectRe: My Kernel bug is celebrating 2 years. Can you help me fix it?


Am 04.03.2014 22:26, schrieb Peter Senna Tschudin:
> I have reported a bug more than two years ago and it is still
> affecting me. The bug report gives some information:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=787299
>
> I have tried basic debug instructions from:
> https://www.kernel.org/doc/Documentation/power/basic-pm-debugging.txt
>
> And everything works as expected when:
> # echo freeze > /sys/power/state
> # echo disk > /sys/power/state
>
> I have asked for help for fixing it:
> https://lkml.org/lkml/2013/11/1/186
>
> But I don't have a serial port. How can I debug this issue without a
> "real" serial port? Or what else can I try?
You need to create a kernel with networksupport,
setup "netconsole" you need a second computer to receive the issues.


>How can I explore the hint
> about the problem only happening with VT-d enabled in BIOS? How can I
> explore the hint about the problem not happening if the option
> nox2apic is passed to the Kernel?

never heard about that until now, obviously there is a bug in several
acpi's that can be triggered. If your systems works with nox2apic
as bootparameter you should be happy since a workaround is available.
Information about it is used can be find here:
http://lxr.free-electrons.com/ident?a=microblaze;i=nox2apic

re,
wh


> Thank you,
>
> Peter
>
> P.S Yes, it works on Windows.
>


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