Re: ffsb job does not exit on xfs 4.14-rc1+

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On Thu, Oct 12, 2017 at 08:10:10AM +1100, Dave Chinner wrote:
> On Wed, Oct 11, 2017 at 09:54:15PM +0800, Xiong Zhou wrote:
> > On Mon, Sep 25, 2017 at 10:49:03AM +0200, Carlos Maiolino wrote:
> > > On Mon, Sep 25, 2017 at 01:40:06AM +0000, Xiong Zhou wrote:
> > > > Hi,
> > > > 
> > > > ffsb test won't exit like this on Linus tree 4.14-rc1+.
> > > > Latest commit cd4175b11685

Hi all,

This is a false alarm because I've messed up the kernel config.
After making .config right, test does not hang.

My fault. Very Sorry for the noise.

> > > 
> > > Can you provide more information? Do you have any kernel log from this issue?
> > > dmesg, Oopses, traces, etc.
> > > Storage configuration might also be required here.
> > 
> > Turns out this only repreduces on nvdimm devices, xfs without dax
> > mount option. More logs are attached.
> 
> It's a hang, so what's the output of sysrq-w once it's hung?
> 
> > > have you also tried to reproduce it with another filesystem? If so, is the same
> > > problem reproducible with another filesystem or only with XFS?
> > 
> > Only xfs. Test on ext4 ends shortly.
> > 
> > > 
> > > P.S. please avoid sending it to all lists (mainly LKML).
> > 
> > Why?  I thought LKML was better archived.
> 
> The lists are all archived, but that's irrelevant. The list you
> should report problems to is based on the scope of the problem, not
> whether the lists are archived or not.
> 
> Because the scope of the problem at this point is XFS, it's
> inappropriate to report it to lists that are for general kernel or
> VFS issues. There's enough noise on those lists without everyone
> bombarding them with subsystem specific issues - that's why we have
> subsystem specific lists in the first place.
> 
> If it turns out to be a problem in some other subsystem, we'll add
> cc's to other subsystem or general lists as appropriate.

Fair enough. Thanks very much for your time!

Xiong

> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@xxxxxxxxxxxxx
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