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Re: [RFC PATCH 21/23] powerpc64 is not necessarily BigEndian anymore! :)
From: |
Andrei Borzenkov |
Subject: |
Re: [RFC PATCH 21/23] powerpc64 is not necessarily BigEndian anymore! :) |
Date: |
Sun, 28 Sep 2014 10:33:38 +0400 |
В Sat, 27 Sep 2014 09:42:04 +0400
Andrei Borzenkov <address@hidden> пишет:
> В Fri, 04 Apr 2014 20:24:58 +0200
> Dinar Valeev <address@hidden> пишет:
>
> > On Fri, 2014-04-04 at 22:17 +0400, Andrey Borzenkov wrote:
> > > В Fri, 4 Apr 2014 10:47:35 -0700
> > > Ram Pai <address@hidden> пишет:
> > >
> > > > On Fri, Apr 04, 2014 at 06:28:51AM +0400, Andrey Borzenkov wrote:
> > > > > В Thu, 3 Apr 2014 13:32:22 -0700
> > > > > Ram Pai <address@hidden> пишет:
> > > > >
> > > > > >
> > > > > > They generate a 32bit BE grub binary on a LE system? No. I dont
> > > > > > think
> > > > > > so. Because the cross-compile tool chain is not enabled do so.
> > > > > >
> > > > >
> > > > > address@hidden:/tmp/binaries> file usr/bin/grub2-mkimage
> > > > > usr/bin/grub2-mkimage: ELF 64-bit LSB executable, 64-bit PowerPC or
> > > > > cisco 7500, version 1 (SYSV), dynamically linked (uses shared libs),
> > > > > for GNU/Linux 3.0.0,
> > > > > BuildID[sha1]=4a9b7759e1c41a2b2de9f4d33bc179186bf04f8f, stripped
> > > > > address@hidden:/tmp/binaries> file
> > > > > usr/lib/grub2/powerpc-ieee1275/kernel.exec
> > > > > usr/lib/grub2/powerpc-ieee1275/kernel.exec: ELF 32-bit MSB
> > > > > executable, PowerPC or cisco 4500, version 1 (SYSV), statically
> > > > > linked, not stripped
> > > > > address@hidden:/tmp/binaries>
> > > >
> > > > I know Dinar had attempted and abondoned the work, because it did not
> > > > work for him.
> > > >
> > > > As of now that thing is not there anymore...if you look at
> > > > openSUSE:Factory:PowerPC/grub2
> > >
> > > What do you mean? openSUSE:Factory:PowerPC/grub2 does not exist because
> > > openSUSE:Factory:PowerPC links to openSUSE:Factory and pulls everything
> > > not explicitly defined from there. And openSUSE:Factory itself gets
> > > updates from Base:System.
> > >
> > > Cc'ing to clear confusion :)
> >
> > Right, my mistake. I recall a message message with 64bit LE patches. But
> > seems that came from somewhere else.
> >
> > Long story short. With 32Bit BE stage one I had several issues like
> > accessing btrfs and booting from media. I gave up on my hack, and now
> > use proposed patches (64Bit LE).
> >
> > I'll submit it to Base:System.
> >
>
> It does not look like it has anything to do with these patches. I
> cannot access btrfs on PPC BE as well - using packages from Factory ppc
> and ppc64. It sounds like there is missing endian conversion somewhere
> in btrfs code and using LE platform simply masks it off.
>
> I can access all other filesystems I tried which makes me believe it is
> btrfs issue.
And this was even fixed in GIT at the same time this discussion was
active :) I added patch to our RPM.