Re: centos 7.6 kernel panic caused by osd

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Same kernel :)


On Fri, Jan 11, 2019, 12:49 Brad Hubbard <bhubbard@xxxxxxxxxx> wrote:
Haha, in the email thread he says CentOS but the bug is opened against RHEL :P

Is it worth recommending a fix in skb_can_coalesce() upstream so other
modules don't hit this?

On Fri, Jan 11, 2019 at 7:39 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>
> On Fri, Jan 11, 2019 at 1:38 AM Brad Hubbard <bhubbard@xxxxxxxxxx> wrote:
> >
> > On Fri, Jan 11, 2019 at 9:57 AM Jason Dillaman <jdillama@xxxxxxxxxx> wrote:
> > >
> > > I think Ilya recently looked into a bug that can occur when
> > > CONFIG_HARDENED_USERCOPY is enabled and the IO's TCP message goes
> > > through the loopback interface (i.e. co-located OSDs and krbd).
> > > Assuming that you have the same setup, you might be hitting the same
> > > bug.
> >
> > Thanks for that Jason, I wasn't aware of that bug. I'm interested to
> > see the details.
>
> Here is Rom's BZ, it has some details:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1665248
>
> Thanks,
>
>                 Ilya



--
Cheers,
Brad
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