[mainline][ppc][bnx2x] watchdog: CPU 80 self-detected hard LOCKUP @ opal_interrupt+0x28/0x70 when module load/unload

Abdul Haleem abdhalee at linux.vnet.ibm.com
Fri Nov 16 16:01:51 AEDT 2018


On Fri, 2018-11-16 at 15:44 +1100, Michael Ellerman wrote:
> Abdul Haleem <abdhalee at linux.vnet.ibm.com> writes:
> > On Thu, 2018-11-15 at 16:40 +0530, Abdul Haleem wrote:
> >> On Mon, 2018-09-24 at 15:49 +0530, Abdul Haleem wrote:
> >> > On Mon, 2018-09-24 at 19:35 +1000, Oliver wrote:
> >> > > On Mon, Sep 24, 2018 at 6:56 PM, Abdul Haleem
> >> > > <abdhalee at linux.vnet.ibm.com> wrote:
> >> > > > Greeting's
> >> > > >
> >> > > > bnx2x module load/unload test results in continuous hard LOCKUP trace on
> >> > > > my powerpc bare-metal running mainline 4.19.0-rc4 kernel
>                                                 ^^^^^^^^^^
> >> 
> >> Warnings also show up on 4.20.0-rc2-next-20181114
> >
> > We have a patch fix available https://patchwork.ozlabs.org/patch/998054/
> >
> > It fixed the problem.
> 
> But the bug it fixes wasn't present in 4.19.0-rc4, which is the version
> you originally reported against. Or is that version string not accurate?

Yes, version string wrong. the bug was first seen on linux-next
4.19.0-rc3-next-20180913 and on mainline version 4.19.0-rc8

-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre





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