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From: Jan Stancek <jstancek@redhat.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Denis Kirjanov <kda@linux-powerpc.org>, linuxppc-dev@lists.ozlabs.org
Subject: Re: ehea crash on boot
Date: Tue, 11 Oct 2016 03:45:56 -0400 (EDT)	[thread overview]
Message-ID: <835114866.189537.1476171956945.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <87insz5tfs.fsf@concordia.ellerman.id.au>





----- Original Message -----
> From: "Michael Ellerman" <mpe@ellerman.id.au>
> To: "Jan Stancek" <jstancek@redhat.com>, "Denis Kirjanov" <kda@linux-powerpc.org>
> Cc: linuxppc-dev@lists.ozlabs.org
> Sent: Tuesday, 11 October, 2016 7:46:31 AM
> Subject: Re: ehea crash on boot
> 
> Jan Stancek <jstancek@redhat.com> writes:
> 
> > Hi Denis / all,
> >
> > Do you know if there is a patch or lead for this problem? I seem
> > to be hitting same Oops with P730 lpar when running 4.8 (see below),
> > but 4.7.7 looks OK.
> 
> Does this fix it?

Yes, it does. dmesg looks clean and network is up.

Regards,
Jan

> 
> cheers
> 
> 
> diff --git a/arch/powerpc/mm/hash_utils_64.c
> b/arch/powerpc/mm/hash_utils_64.c
> index 4cebc31e53de..4e83d872872d 100644
> --- a/arch/powerpc/mm/hash_utils_64.c
> +++ b/arch/powerpc/mm/hash_utils_64.c
> @@ -526,7 +526,7 @@ static bool might_have_hea(void)
>  	 */
>  #ifdef CONFIG_IBMEBUS
>  	return !cpu_has_feature(CPU_FTR_ARCH_207S) &&
> -		!firmware_has_feature(FW_FEATURE_SPLPAR);
> +		firmware_has_feature(FW_FEATURE_SPLPAR);
>  #else
>  	return false;
>  #endif
> 

      reply	other threads:[~2016-10-11  7:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-23 12:50 ehea crash on boot Denis Kirjanov
2016-09-26  7:39 ` Mathieu Malaterre
2016-09-26 10:59   ` Denis Kirjanov
2016-10-10 11:51 ` Jan Stancek
2016-10-11  5:46   ` Michael Ellerman
2016-10-11  7:45     ` Jan Stancek [this message]

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