Original-Nachricht
Datum: Thu, 15 Nov 2007 08:54:32 +1100
Von: Paul Mackerras [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: [EMAIL PROTECTED], linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
No it's not just for ppc64. We
On Wed, 2007-11-14 at 10:39 +0100, Gerhard Pircher wrote:
Yeah, the northbridge hates the M bit! Thus the AmigaOne platform code
masks out the CPU_FTR_NEED_COHERENT flag and disables the L2 cache
prefetch engines (I don't care about the performance loss).
I couldn't find any other code that
Original-Nachricht
Datum: Wed, 14 Nov 2007 10:37:52 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
Add printk's to things :-) It's a UP kernel
Original-Nachricht
Datum: Wed, 14 Nov 2007 21:04:57 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
On Wed, 2007-11-14 at 10:39 +0100, Gerhard
Gerhard Pircher writes:
Yeah, the northbridge hates the M bit! Thus the AmigaOne platform code
Wow.
masks out the CPU_FTR_NEED_COHERENT flag and disables the L2 cache
prefetch engines (I don't care about the performance loss).
I couldn't find any other code that sets the M bit, except for
Original-Nachricht
Datum: Sun, 11 Nov 2007 14:55:40 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
On Sat, 2007-11-10 at 18:11 +0100
On Tue, 2007-11-13 at 22:23 +0100, Gerhard Pircher wrote:
There are ways, sure, which probably involve adding prink's all over
the
place to figure it out... could be some DMA issue for example, could
be
pretty much anything. Have you tried booting an initrd with no disk
access ?
I
Original-Nachricht
Datum: Wed, 14 Nov 2007 08:43:38 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
Well, at least the above tells is it's
On Tue, 2007-11-13 at 23:06 +0100, Gerhard Pircher wrote:
Well, I only disabled power saving with powersave=off. Are there any
other
ways to disable idle? What do you mean with instrumenting locks or
irq enable/disable?
Add printk's to things :-) It's a UP kernel so there should be no
Original-Nachricht
Datum: Fri, 09 Nov 2007 18:50:29 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
I tried to use /bin/sh as init program
On Sat, 2007-11-10 at 18:11 +0100, Gerhard Pircher wrote:
Original-Nachricht
Datum: Fri, 09 Nov 2007 18:50:29 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after
On Thu, 2007-11-08 at 22:47 +0100, Gerhard Pircher wrote:
Hi,
I tested my patches for the AmigaOne platform with the lastest 2.6.24-rc2
kernel snapshot. The kernel runs through all initcalls, but locks up
completely after calling INIT (/sbin/init) by kernel_execve(). Thus I
couldn't
Hi,
I tested my patches for the AmigaOne platform with the lastest 2.6.24-rc2
kernel snapshot. The kernel runs through all initcalls, but locks up
completely after calling INIT (/sbin/init) by kernel_execve(). Thus I
couldn't capture any kernel oops or panic output. Also the magic sysrq
key
Original-Nachricht
Datum: Fri, 09 Nov 2007 10:20:17 +1100
Von: Benjamin Herrenschmidt [EMAIL PROTECTED]
An: Gerhard Pircher [EMAIL PROTECTED]
CC: linuxppc-dev@ozlabs.org
Betreff: Re: Kernel locks up after calling kernel_execve()
On Thu, 2007-11-08 at 22:47 +0100
I tried to use /bin/sh as init program and was able to enter a command,
but then the machine locked up, too.
Could that be a problem with a CPU sleeping/idle code?
That's possibly an issue, try disabling power save if any for that CPU
type. If it worked and broke, you may have to bisect tho.
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