Re: [Qemu-devel] problems with freeBSD

[Aurelien Jarno <aurelien@aurel32.net>]

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On Thu, Mar 07, 2013 at 01:16:54PM +0100, Laszlo Ersek wrote:
> On 03/07/13 09:43, Aurelien Jarno wrote:
> 
> > I did a git bisect to find the commit fixing the issue. Then, as I was
> > not believing the result, I tried the following sequence a dozen of
> > times (for some unknown reasons the FreeBSD install CD doesn't exhibit
> > the issue, so I used the Debian GNU/kFreeBSD installer):
> > 
> > | mkdir qemu-freebsd-bug
> > | cd qemu-freebsd-bug
> > |
> > | wget http://ftp.debian.org/debian/dists/squeeze/main/installer-kfreebsd-amd64/current/images/netboot/mini.iso 
> > |
> > | git clone git://git.qemu.org/qemu.git
> > | cd qemu
> > | git checkout -b stable-1.4 v1.4.0
> > | ./configure --target-list=x86_64-softmmu
> > | make
> > | cd ..
> > |
> > | git clone git://git.seabios.org/seabios.git
> > | cd seabios
> > | git checkout -b 1.7.2-stable origin/1.7.2-stable
> > | git reset --hard 4219149ad2b783abfa61e80e9e9f6910db0c76c9
> > | make
> > | cp out/bios.bin ../qemu/pc-bios
> > | cd..
> > |
> > | # debian-installer boots correctly 
> > | ./qemu/x86_64-softmmu/qemu-system-x86_64 -enable-kvm -cdrom mini.iso
> > |
> > | cd seabios
> > | git reset --hard d75c22fcb6521dad11428b65789d92f89675c600 
> > | git clean -fdx
> > | make
> > | cp out/bios.bin ../qemu/pc-bios
> > | cd ..
> > |
> > | # debian-installer fails to boot
> > | ./qemu/x86_64-softmmu/qemu-system-x86_64 -enable-kvm -cdrom mini.iso 
> > 
> > 
> > Maybe I am doing something wrong or there is a bug in my toolchain
> > (Debian Sid). It would be nice if someone could try to reproduce that on
> > another distro/system.
> > 
> 
> Can you save the out/ directory from both builds and "diff -ur" them
> (maybe just the *.lds files)?

Please find it attached.

> I'm noticing that pathnames are embedded in some ELF section names (I
> hope this sentence makes sense), and when you build at d75c22fc, those
> pathnames contain dot-dot (".."), ie. two section name separators next
> to each other. Maybe that's not good; no idea.
> 

It's clearly the case, but I also don't know if it is a good solution or
not. What is sure is that it also changes the address of the text
section in bios.bin.elf.

-- 
Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

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