On Mon, Dec 05, 2011 at 04:48:16PM -0600, Nate Custer wrote: > Hello, > > I am struggling with repeatable full hardware locks when running 8-12 KVM vms. At some point before the hard lock I get a inconsistent lock state warning. An example of this can be found here: > > http://pastebin.com/8wKhgE2C > > After that the server continues to run for a while and then starts its death spiral. When it reaches that point it fails to log anything further to the disk, but by attaching a console I have been able to get a stack trace documenting the final implosion: > > http://pastebin.com/PbcN76bd > > All of the cores end up hung and the server stops responding to all input, including SysRq commands. > > I have seen this behavior on two machines (dual E5606 running Fedora 16) both passed cpuburnin testing and memtest86 scans without error. > > I have reproduced the crash and stack traces from a Fedora debugging kernel - 3.1.2-1 and with a vanilla 3.1.4 kernel. Busted hardware, apparently. Can you reproduce these issues with the same workload on different hardware? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
