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Re: [Qemu-devel] SPARC iommu mapping

From: Blue Swirl
Subject: Re: [Qemu-devel] SPARC iommu mapping
Date: Mon, 17 Apr 2006 10:49:22 +0200

Then I tried to track down this problem with gdb and strace. But
unfortunately, both are segfaulting, too. This makes debugging somewhat
harder... Now, I'll try to analyze the core files of the crashing programs to
get an idea what's going wrong. Or do you have any idea? What's the
difference between bash compared to other shells?

I don't know, I noticed the same problem earlier. I think it's something related to fork or clone.

> There is some problem with CDROM access, the files on CD look corrupt,
> whereas the same image used as hdb works perfectly.

Strange. I started qemu with "-cdrom /dev/cdrom" and could see all contents
without a problem. What exactly did you try?

This command fails when installing kernel and modules:
qemu-system-sparc -kernel vmlinux-2.6.11+tcx -cdrom debian-30r4-sparc-binary-1.iso -hda hd -initrd debian-30r4-sparc.initrd -nographic -append 'cdrom ramdisk_size=16384 devfs=mount rw root=/dev/rd/0'

"There was a problem installing the Drivers from /instmnt/dists/woody/main/disks-sparc/current/sun4cdm/drivers.tgz"
and some errors in background.

Replace -cdrom with -hdb and the installer has no problems until installing libc6.

OK, have a look at the attached patch.

Much better, though a few spaces are still missing.

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