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Groups > linux.kernel > #1734096 > unrolled thread

Re: [linux-next][DLPAR CPU][Oops] Bad kernel stack pointer

Started byRob Herring <robh@kernel.org>
First post2017-09-18 14:50 +0200
Last post2017-09-19 15:40 +0200
Articles 2 — 2 participants

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  Re: [linux-next][DLPAR CPU][Oops] Bad kernel stack pointer Rob Herring <robh@kernel.org> - 2017-09-18 14:50 +0200
    Re: [linux-next][DLPAR CPU][Oops] Bad kernel stack pointer Abdul Haleem <abdhalee@linux.vnet.ibm.com> - 2017-09-19 15:40 +0200

#1734096 — Re: [linux-next][DLPAR CPU][Oops] Bad kernel stack pointer

FromRob Herring <robh@kernel.org>
Date2017-09-18 14:50 +0200
SubjectRe: [linux-next][DLPAR CPU][Oops] Bad kernel stack pointer
Message-ID<ur3ES-6mo-13@gated-at.bofh.it>
On Mon, Sep 18, 2017 at 5:08 AM, Abdul Haleem
<abdhalee@linux.vnet.ibm.com> wrote:
> Hi,
>
> Dynamic CPU remove operation resulted in Kernel Panic on today's
> next-20170915 kernel.
>
> Machine Type: Power 7 PowerVM LPAR
> Kernel : 4.13.0-next-20170915

I assume this is not something new to 9/15 -next nor only in -next
because you also reported that 4.13.0 broke. Can you provide some
details on what version worked? 4.12?

Rob

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#1734904

FromAbdul Haleem <abdhalee@linux.vnet.ibm.com>
Date2017-09-19 15:40 +0200
Message-ID<urqUN-62D-1@gated-at.bofh.it>
In reply to#1734096
On Mon, 2017-09-18 at 07:44 -0500, Rob Herring wrote:
> On Mon, Sep 18, 2017 at 5:08 AM, Abdul Haleem
> <abdhalee@linux.vnet.ibm.com> wrote:
> > Hi,
> >
> > Dynamic CPU remove operation resulted in Kernel Panic on today's
> > next-20170915 kernel.
> >
> > Machine Type: Power 7 PowerVM LPAR
> > Kernel : 4.13.0-next-20170915
> 
> I assume this is not something new to 9/15 -next nor only in -next
> because you also reported that 4.13.0 broke. Can you provide some
> details on what version worked? 4.12?

[linux-next][DLPAR CPU][Oops] Bad kernel stack pointer
[mainline][DLPAR][Oops] OF: ERROR: Bad of_node_put() on /cpus

The above issues are not reproducible with 4.12.0 (mainline), it is
broken with 4.13.0 and next.

-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre

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