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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 15:10:37 -0000 |
OK I see what's happening. Because I forgot about the -m option, qemu
allocates 128 MB of RAM. It's obviously wrapping around in memory and
overwriting all the low memory.
If you add (eg) -m 1024 it works.
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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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