From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sunil Mushran Date: Thu, 15 Sep 2011 17:53:39 -0700 Subject: [Ocfs2-devel] [PATCH] Wakeup down-convert thread just after clearing OCFS2_LOCK_UPCONVERT_FINISHING -v3 In-Reply-To: <20110916004200.GA3433@laptop.jp.oracle.com> References: <201109150327.p8F3REQA017979@acsmt356.oracle.com> <4E7232B0.9080004@oracle.com> <4E723412.9060001@oracle.com> <20110916004200.GA3433@laptop.jp.oracle.com> Message-ID: <4E729E13.5070800@oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com On 09/15/2011 05:42 PM, Wengang Wang wrote: > Hi Sunil, > > On 11-09-15 10:21, Sunil Mushran wrote: >> http://people.redhat.com/~teigland/make_panic >> >> This test has been useful in exposing dlmglue issues. >> >> On 09/15/2011 10:15 AM, Sunil Mushran wrote: >>> I am fine with the kick in recover from dlm error. Not so in cluster lock. >>> We have to be very very sure before meddling with that function. It is >>> a state machine with many hidden gotchas. >>> >>> So is this patch for a bug encountered or just code audit. Also, what kind >>> testing has been done. > Yes, a bug(hang) encountered. After testing and analysis, I found the root cause. > And it's NOT the dlm error case. The hang was fixed by the original patch. > I will email you about the orabug and testcase(pretty easy to reproduce). Which original patch? > I will try http://people.redhat.com/~teigland/make_panic to see if it > can find something.