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[Qemu-devel] [Bug 1094564] Re: images used as scsi disks not readable (q

From: Joss Reeves
Subject: [Qemu-devel] [Bug 1094564] Re: images used as scsi disks not readable (qemu-system-arm, macos 10.8)
Date: Tue, 14 May 2013 00:20:04 -0000

I just compiled 1.5.0-rc1 on my Linux host with the same configure/compiler 
flags and duplicated the error (see screenshot). The configure flags are:
./configure --disable-guest-agent --disable-bsd-user --enable-sdl 
--target-list="arm-linux-user armeb-linux-user arm-softmmu"

As before, it goes into an infinite loop of reseting the scsi controller
for each (emulated) channel. Note that the Ubuntu provided qemu-system-
arm works perfectly. They are using 1.4.0 with a rather large number of
patches ( I did a `dpkg source qemu` to examine the Ubuntu build setup).

Looking through the Ubuntu patches, this one looks like a likely fix: 
dpkg-source: info: applying 

Please find a zip of my raspberrypi image (hda) and the kernel that I built 
from https://github.com/raspberrypi/linux.git
at https://www.dropbox.com/sh/mbz8jh4fcjvdj4m/Gh3bKFyJyC

I included the boot command in a txt file in the tarball.


** Attachment added: "More Endless resets"

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  images used as scsi disks not readable (qemu-system-arm, macos 10.8)

Status in The MacPorts Project:
Status in QEMU:

Bug description:
  Using a arm1176 kernel and the raspbian image (10-28 or 12-16) as my
  disk, I get as far as mounting root and then get SCSI errors with
  1.3.0 and the current origin/master. git bisect says the issue is

  commit f563a5d7a820424756f358e747238f03e866838a
  Merge: a273652 aee0bf7
  Author: Paolo Bonzini <address@hidden>
  Date:   Wed Oct 31 10:42:51 2012 +0100

      Merge remote-tracking branch 'origin/master' into threadpool
      Signed-off-by: Paolo Bonzini <address@hidden>

  I am using:
  qemu-system-arm -no-reboot -M versatilepb -cpu arm1176 -m 256 -hda 
2012-12-16-wheezy-raspbian.img -kernel kernel-qemu -append "root=/dev/sda2 
rootfstype=ext4 elevator=deadline rootwait panic=1" -serial stdio -usbdevice 
tablet -net nic -net user,hostfwd=tcp::40022-:22

  Configured on MacOS 10.8.2 with current Xcode and MacPorts installed, thus:
  CPATH=/opt/local/include CFLAGS="-pipe -O2 -arch x86_64" 
CPPFLAGS="-I/opt/local/include" CXXFLAGS="-pipe -O2 -arch x86_64" 
CXX="/usr/bin/clang++" LDFLAGS="-L/opt/local/lib -arch x86_64" 
OBJC=/usr/bin/clang FCFLAGS="-pipe -O2 -m64" INSTALL="/usr/bin/install -c" 
OBJCFLAGS="-pipe -O2 -arch x86_64" CC="/usr/bin/clang"  ./configure 
--prefix=/opt/local --cpu=x86_64 --cc=/usr/bin/clang --objcc=/usr/bin/clang 
--host-cc=/usr/bin/clang --python=/opt/local/bin/python2.7 

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