Andrew, A fix for this deadlock problem has been checked into the stable branch (and will soon be checked into trunk as well). A patch is attached.
Thanks, Elaine On Tue, Sep 11, 2012 at 11:56 PM, Andrew Savchenko <[email protected]>wrote: > Hello, Elaine > > On Tue, 11 Sep 2012 11:59:55 -0400 Elaine Quarles wrote: > > A fix for this problem has been checked into the stable branch. Attached > is > > a patch. This affects any system based on a 2.6.38 or later kernel. > > I tried the latest stable branch (rev. 9483) with the 3.2.28 > vanilla kernel. Result is bad, very bad... On some I/O operations, but > not on all (e.g. this happens after a series of fast directory > changes) kernel instantly hangs. There is no kernel panic, no error > messages on console (iLO) or netconsole, nothing in the logs. System > just dies until it is rebooted by a hardware watchdog. > > I'll try to recompile OrangeFS in debug mode to obtain some useful > data. My PVFS2 configuration was not changed otherwise compared to my > previous reports. > > Best regards, > Andrew Savchenko >
revalidate_kernel_deadlock.patch
Description: Binary data
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