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Re: [PATCH] Fix hppa kernel crash at boot in block/blk-merge.c

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On Thu, 2016-03-10 at 18:23 +0100, Helge Deller wrote:
> Since kernel 4.3 we have a problem on hppa that it crashes at bootup
> during the SCSI drive detection.
> There are multiple threads about this issue and this link is maybe a good start:
> https://patchwork.kernel.org/patch/8402441/.
> 
> Now, after quite some time, we could identify what's going wrong.
> The attached patch avoids this crash by switching to compiling with
> "-O1" instead of "-O2" for a function in block/blk-merge.c (for hppa only).
> 
> This patch is meant to be a temporary patch for the debian kernel, until we 
> have been able to fix the real problem (in gcc and/or kernel code).
> 
> Would it be possible to add this patch to the debian kernel tree for
> stable and experimental kernels in the meantime, so that we get bootable
> kernels on hppa again?

Yes, but is this still needed when using gcc 5 (now used for all
architectures)?

Ben.

-- 
Ben Hutchings
It is easier to change the specification to fit the program than vice versa.

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[PATCH] Fix hppa kernel crash at boot in block/blk-merge.c Helge Deller <deller@gmx.de> - 2016-03-10 18:30 +0100
  Re: [PATCH] Fix hppa kernel crash at boot in block/blk-merge.c Ben Hutchings <ben@decadent.org.uk> - 2016-04-14 00:50 +0200
    Re: [PATCH] Fix hppa kernel crash at boot in block/blk-merge.c Helge Deller <deller@gmx.de> - 2016-04-14 08:50 +0200

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