From mboxrd@z Thu Jan 1 00:00:00 1970 From: Coly Li Date: Fri, 04 Sep 2009 00:24:08 +0800 Subject: [Ocfs2-devel] dlm stress test hangs OCFS2 In-Reply-To: <4A9EEB26.2080204@oracle.com> References: <4A8B0083.8030400@suse.de> <4A8B6C29.30802@oracle.com> <4A9EA759.5090906@suse.de> <4A9EEB26.2080204@oracle.com> Message-ID: <4A9FEDA8.3080108@suse.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com Sunil Mushran Wrote: > So the thread is removing the lockres from the list (thus making > the count 0), and then calling ocfs2_process_blocked_lock() which > is adding that lockres back in the list (thus 1). > > Trace ocfs2_process_blocked_lock() to see as to why it is putting it > back on the list. >> 2) when the blocking happens, the number sequence of >> osb->blocked_lock_count is >> always like this, >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 0 >> ocfs2_downconvert_thread_do_work:3725: osb->blocked_lock_count: 1 >> (all are 0-1-0-1-0-1-... in a regular sequence) >> I also observed even when no file is created or unlinked, I did nothing. From dmesg output, the above information still infinite running, on both nodes. -- Coly Li SuSE Labs