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[Qemu-devel] [Bug 1289898] Re: qemu-system-ppc64 easily cause file corru

From: wzis
Subject: [Qemu-devel] [Bug 1289898] Re: qemu-system-ppc64 easily cause file corruption
Date: Sun, 05 Jul 2015 00:08:54 -0000

After got qemu 2.3.0, I tested on CentOS6.6, the qemu-system-ppc64 also
causes filesystem corruption for the big endian RHEL5.9 for power. So
this should confirm the qemu for ppc has bug from at least 1.7 onward.

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  qemu-system-ppc64 easily cause file corruption

Status in QEMU:

Bug description:
  the qemu-system-ppc64 is used to run RHEL5.9 for IBM Power on RHEL 5.3.
  Previously I was using QEMU 1.5.x for several months with no problem. But 
after the RHEL 5.3 host damaged, and rebuilt, now I tried both QEMU 1.6.2 and 
QEMU 1.7.0, found both can easily cause file corruptions. Symptoms:

  * using scp to transfer a tar.bz file from the RHEL 5.3 host to the RHEL 5.9 
PPC VM, found the size is correct, but the content is corrupted from the middle 
of the 90+ MB file.  re-transfer again, got a correct file. But after untar, 
found some extracted files corrupted.
  The extracted file corruption happened several times, and also the filesystem 
in the VM had corrupted several times, had to restore the boot image to recover.

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