Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths
From: Oleg Nesterov
Date: Mon Oct 03 2016 - 12:45:55 EST
On 10/03, Dave Chinner wrote:
> On Fri, Sep 30, 2016 at 07:14:34PM +0200, Oleg Nesterov wrote:
> > On 09/27, Oleg Nesterov wrote:
> > >
> > >
> > > It seems that generic/001 just hangs on my laptop. With or without this change.
> > > Or perhaps I didn't wait enough...
> > /usr/bin/awk spins in user-mode forever, according to strace it doesn't do
> > any syscalls. I didn't even try to investigate.
> Are you using gawk, or some other version of awk? gawk doesn't have
> any problems
gawk, awk is symlink. And somehow this depends on userspace environment,
it doesn't hang on the full-blown Fedora 23.
> > Jan, I gave up.
> > Whatever I did xfstests-dev/check reports a lot of failures, kernel bugs,
> > and finally either crashes the kernel or hangs.
> Did you run the auto group like I suggested? That's the set of tests
> that should complete successfully with minimal failures and without
> crashing the machine.
OK, I'll reserve a testing machine again.