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From: walter harms <wharms@bfs.de>
To: kernelnewbies@lists.kernelnewbies.org
Subject: Re: My Kernel bug is celebrating 2 years. Can you help me fix it?
Date: Wed, 05 Mar 2014 08:27:54 +0000	[thread overview]
Message-ID: <5316E00A.3030704@bfs.de> (raw)
In-Reply-To: <CA+MoWDrTNtAHKsiBHz=W4=eJRO=m9EK_HZ7zLxb=4fg5riUQeg@mail.gmail.com>



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?idx7299
> 
> 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.
> 

WARNING: multiple messages have this Message-ID (diff)
From: wharms@bfs.de (walter harms)
To: kernelnewbies@lists.kernelnewbies.org
Subject: My Kernel bug is celebrating 2 years. Can you help me fix it?
Date: Wed, 05 Mar 2014 09:27:54 +0100	[thread overview]
Message-ID: <5316E00A.3030704@bfs.de> (raw)
In-Reply-To: <CA+MoWDrTNtAHKsiBHz=W4=eJRO=m9EK_HZ7zLxb=4fg5riUQeg@mail.gmail.com>



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.
> 

WARNING: multiple messages have this Message-ID (diff)
From: walter harms <wharms@bfs.de>
To: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: "kernelnewbies@kernelnewbies.org"
	<kernelnewbies@kernelnewbies.org>,
	kernel-janitors@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: My Kernel bug is celebrating 2 years. Can you help me fix it?
Date: Wed, 05 Mar 2014 09:27:54 +0100	[thread overview]
Message-ID: <5316E00A.3030704@bfs.de> (raw)
In-Reply-To: <CA+MoWDrTNtAHKsiBHz=W4=eJRO=m9EK_HZ7zLxb=4fg5riUQeg@mail.gmail.com>



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.
> 

  reply	other threads:[~2014-03-05  8:27 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-04 21:26 My Kernel bug is celebrating 2 years. Can you help me fix it? Peter Senna Tschudin
2014-03-04 21:26 ` Peter Senna Tschudin
2014-03-04 21:26 ` Peter Senna Tschudin
2014-03-05  8:27 ` walter harms [this message]
2014-03-05  8:27   ` walter harms
2014-03-05  8:27   ` walter harms
2014-03-05 11:54   ` Peter Senna Tschudin
2014-03-05 22:32 ` Thomas Petazzoni
2014-03-06 18:27 ` Bjorn Helgaas
2014-03-06 18:27   ` Bjorn Helgaas
2014-03-06 18:27   ` Bjorn Helgaas
2014-03-06 19:08   ` Peter Hurley
2014-03-06 19:08     ` Peter Hurley
2014-03-06 19:08     ` Peter Hurley
2014-03-07 15:01     ` Peter Senna Tschudin
2014-03-07 15:01       ` Peter Senna Tschudin
2014-03-07 15:01       ` Peter Senna Tschudin
2014-03-07 15:44       ` Peter Hurley
2014-03-07 15:44         ` Peter Hurley
2014-03-07 15:44         ` Peter Hurley

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