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From: Andreas Schwab <schwab@linux-m68k.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH] powerpc/64s: power4 nap fixup in C
References: <20210312012044.3660743-1-npiggin@gmail.com>
 <87y2e6fu7v.fsf__9754.75274478725$1616992871$gmane$org@mpe.ellerman.id.au>
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X-Yow: Hmmm...  a PINHEAD, during an EARTHQUAKE, encounters an ALL-MIDGET
 FIDDLE ORCHESTRA...  ha..  ha..
Date: Mon, 29 Mar 2021 18:23:18 +0200
In-Reply-To: <87v99aj7tr.fsf__47134.2879392736$1617031867$gmane$org@igel.home>
 (Andreas Schwab's message of "Mon, 29 Mar 2021 17:30:40 +0200")
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Cc: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
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On Mär 29 2021, Andreas Schwab wrote:

> On Mär 29 2021, Michael Ellerman wrote:
>
>> Nicholas Piggin <npiggin@gmail.com> writes:
>>> There is no need for this to be in asm, use the new intrrupt entry wrapper.
>>>
>>> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
>>> ---
>>> Hopefully this works on a real G5 now, but I couldn't reproduce the
>>> problem with QEMU.
>>
>> It still prevents my G5 from booting.
>
> I see differing failures.  What's common is that there is a pause of
> about 60 seconds before the crash occurs.  It looks like the crash
> occurs in power4_idle_nap+0x30/0x34.  Unfortuately, the BootX console is
> too small to see enough.

I was now able to see the messages on the VGA console, and the problem
is actually that the cpus are starting to stall.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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