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[Qemu-devel] [Bug 1186984] Re: large -initrd crashes qemu


From: Richard Jones
Subject: [Qemu-devel] [Bug 1186984] Re: large -initrd crashes qemu
Date: Mon, 03 Jun 2013 13:22:07 -0000

I'm using qemu from git (f10acc8b38d65a66ffa0588a036489d7fa6a593e).

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https://bugs.launchpad.net/bugs/1186984

Title:
  large -initrd crashes qemu

Status in QEMU:
  New

Bug description:
  We don't use large -initrd in libguestfs any more, but I noticed that
  a large -initrd file now crashes qemu spectacularly:

  $ ls -lh /tmp/kernel /tmp/initrd 
  -rw-r--r--. 1 rjones rjones 273M Jun  3 14:02 /tmp/initrd
  lrwxrwxrwx. 1 rjones rjones   35 Jun  3 14:02 /tmp/kernel -> 
/boot/vmlinuz-3.9.4-200.fc18.x86_64

  $ ./x86_64-softmmu/qemu-system-x86_64 -L pc-bios \
      -kernel /tmp/kernel -initrd /tmp/initrd -hda /tmp/test1.img -serial stdio 
\
      -append console=ttyS0

  qemu crashes with one of several errors:

  PFLASH: Possible BUG - Write block confirm

  qemu: fatal: Trying to execute code outside RAM or ROM at
  0x00000000000b96cd

  If -enable-kvm is used:

  KVM: injection failed, MSI lost (Operation not permitted)

  In all cases the SDL display fills up with coloured blocks before the
  crash (see the attached screenshot).

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