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Message-ID: <20150618162559.GA1780@localhost.localdomain> Date: Thu, 18 Jun 2015 12:25:59 -0400 From: Eric Whitney <enwlinux@...il.com> To: Theodore Ts'o <tytso@....edu> Cc: linux-ext4@...r.kernel.org, fstests@...r.kernel.org Subject: Re: Test generic/299 stalling forever * Theodore Ts'o <tytso@....edu>: > I've been trying to figure out why generic/299 has occasionally been > stalling forever. After taking a closer look, it appears the problem > is that the fio process is stalling in userspace. Looking at the ps > listing, the fio process hasn't run in over six hours, and using > attaching strace to the fio process, it's stalled in a FUTUEX_WAIT. > > Has anyone else seen this? I'm using fio 2.2.6, and I have a feeling > that I started seeing this when I started using a newer version of > fio. So I'm going to try roll back to an older version of fio and see > if that causes the problem to go away. > I've not seen that, but have only been running 4.1-rc* kernels recently. I can say that I ran 1000 trials of generic/299 on nojournal using a vanilla 4.1-rc6 kernel on a Pandaboard successfully with fio 2.2.6. No failures, and completed in ~61 hours for an average test duration of ~3.7 minutes, which agrees well with what I see when sampling the logged output for individual test times. Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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