From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Adrian Reber <adrian@lisas.de>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: starting with 2.6.26-rc1 cell_defconfig fails on QS22
Date: Mon, 23 Jun 2008 20:00:55 +1000 [thread overview]
Message-ID: <1214215255.8011.257.camel@pasglop> (raw)
In-Reply-To: <20080623094539.GA16685@lisas.de>
On Mon, 2008-06-23 at 11:45 +0200, Adrian Reber wrote:
> I have a custom config to build a kernel which runs on JS21/QS21/QS22.
> Starting with 2.6.26-rc1 that fails on JS21 (with SLOF). Bisecting lead
> me to the following commit:
>
> commit 366234f657879aeb7a1e2ca582f2f24f3fae9269
> Author: Kumar Gala <galak@kernel.crashing.org>
> Date: Wed Apr 16 05:52:28 2008 +1000
>
> [POWERPC] Update linker script to properly set physical addresses
>
> I then tried it with cell_defconfig and it fails with almost the same
> error on QS22. I have not restared the bisecting on QS22 because the
> error is so similar:
>
> zImage starting: loaded at 0x00400000 (sp: 0x0e16aea0)
> Allocating 0x6790c8 bytes for kernel ...
> OF version = 'IBM,SLOF,HEAD'
> gunzipping (0x01400000 <- 0x00407000:0x0062ce4a)...done 0x60405a bytes
>
> Linux/PowerPC load:
> Finalizing device tree... using OF tree (promptr=0e1004c4)
>
>
> ( 700 ) Program Exception [ e1004c4 ]
The program check exception happens at 0xe1004c4 ? That looks like the
OF entry point (promptr)... could it be possible that it got corrupted
somewhat ? The only thing I see above there would be the stack but
I fail to see how it would use that much...
> R0 .. R7 R8 .. R15 R16 .. R23 R24 .. R31
> 00000000014073b0 000000000e974200 0000000000000000 0000000000000000
> 000000000e16aea0 0000000000638c04 0000000000000000 0000000000000000
> 00000000019e2b98 000000000e974200 0000000000000000 0000000001400000
> 0000000000000000 b000000000003000 0000000000000000 0000000000638804
> 0000000000000000 2000000000000000 0000000000000000 000000000e96f3c0
> 000000000e1004c4 0000000000000000 0000000000000000 000000000e1004c4
> 000000000e96f3c0 0000000000000000 0000000000000000 0000000000000000
> 0000000000638804 0000000000000000 000000000eac5d70 0000000000000000
>
> CR / XER LR / CTR SRR0 / SRR1 DAR / DSISR
> 80000022 00000000014073e8 000000000189e99c 0000000000000000
> 0000000020000000 0000000001400000 9000000000083000 00000000
>
> I have tried it with gcc-3.4.2, gcc-4.1.1 and gcc-4.2.4.
>
> Somehow I expect that I am doing something wrong, because nobody else
> has reported something like this yet.
>
> It looks like 2.6.25 was the last version which worked on SLOF based
> systems.
>
> Adrian
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev
next prev parent reply other threads:[~2008-06-23 10:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 9:45 starting with 2.6.26-rc1 cell_defconfig fails on QS22 Adrian Reber
2008-06-23 10:00 ` Benjamin Herrenschmidt [this message]
2008-06-24 1:40 ` Segher Boessenkool
2008-06-23 23:45 ` Jeremy Kerr
2008-06-24 12:29 ` Adrian Reber
2008-06-25 15:59 ` Segher Boessenkool
2008-06-26 7:21 ` Adrian Reber
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