Re: [BUG] kernel bug encountered at drivers/net/xen-netback/netback.c:430!

[Paul Durrant <Paul.Durrant@citrix.com>]

> -----Original Message-----
> From: 'Christoph Moench-Tegeder' [mailto:cmt@burggraben.net]
> Sent: 07 January 2018 22:19
> To: Paul Durrant <Paul.Durrant@citrix.com>
> Cc: 'Michael Collins' <mike@ark-net.org>; 'Juergen Gross'
> <jgross@suse.com>; Wei Liu <wei.liu2@citrix.com>; 'Alex Braunegg'
> <alex.braunegg@gmail.com>; xen-devel@lists.xenproject.org
> Subject: Re: [Xen-devel] [BUG] kernel bug encountered at drivers/net/xen-
> netback/netback.c:430!
> 
> ## Paul Durrant (Paul.Durrant@citrix.com):
> 
> > > I could try a new kernel (KPTI, yay!) with that "mildly suspicious" commit
> > > cc8737a5fe9051b7fa052b08c57ddb9f539c389a reverted on the weekend
> and
> > > report back (just to rule that out - like you, I don't really believe
> > > that this is the cause).
> > > For the record, I'm still running 4.13.16 on the Dom0 (that's the last
> > > working Dom0 kernel).
> >
> > Thanks. Well, that's the only netback commit that's in master but not in
> > 4.13.16 so it would be useful to conclusively rule that out as a cause.
> 
> Funny thing: with that commit reverted, I'm running 4.14.12 on my Dom0.
> That's holding much longer than any 4.4 kernel on that host before.
> That's interesing, as the crashing code looks more correct (at least
> for me and some compiler...), and the change is rather small.
> 

Yes, that is very strange. Thanks for the info.

Cheers,

  Paul

> Regards,
> Christoph
> 
> --
> Spare Space
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