Re: Regression in IPMI on 4.15.6

[Corey Minyard]

On 02/28/2018 01:07 PM, Corey Minyard wrote:
> On 02/28/2018 08:17 AM, Corey Minyard wrote:
> > On 02/28/2018 07:53 AM, Corey Minyard wrote:
> > > On 02/27/2018 05:55 PM, Laura Abbott wrote:
> > > > Hi,
> > > >
> > > > Fedora got a bug report of a crash in IPMI on 4.15.6
> > > > https://bugzilla.redhat.com/show_bug.cgi?id=1549316
> > > > Unfortunately, it's only a screenshot but it's fairly
> > > > clear. It looks like a panic in the error handling path
> > > > in platform_device_unregister. Any ideas?
> >
> > You may also run into another issue. You can pull the
> > individual patch at
> >
> > https://github.com/cminyard/linux-ipmi.git 
> > c8a1972e77dbe321ce5ce0247056e727234cbaec
>
> Actually, it needed a few more tweaks. Can you do change
> 426fa6179dae677134dfb37b21d057819418515b
> instead? It's "ipmi: Fix some error cleanup issues"
>
> I can send you patches, if you like. If you could test and get back
> to me, that would be great.

Laura, have you had a chance to test this? I'd like to get it in soon,
if possible.

Thanks,

-corey

> BTW, the IPMI setup in your system is incorrect. SMBIOS says it's at a
> memory address, but it's at an I/O address. And the address given
> doesn't appear to be a valid address, the value read doesn't appear
> to be a valid value.
>
> -corey
>
> > for that fix.
> >
> > -corey
> >
> > > Yeah, this is fixed by 174134ac7602 "ipmi_si: Fix error
> > > handling of platform device" in mainstream.
> > >
> > > I guess I need to request a backport of this.
> > >
> > > Thanks for reporting.
> > >
> > > -corey
> > >
> > >
> > > > Thanks,
> > > > Laura