From: Domenico Andreoli <cavokz@gmail.com>
To: Helge Deller <deller@gmx.de>
Cc: John David Anglin <dave.anglin@bell.net>,
linux-parisc <linux-parisc@vger.kernel.org>,
Dave Land <xmechanic@landcomp.net>
Subject: Re: HP J5600/J6750 64bit SMP CPU#1 stuck problems [was: Does there exists any 32bit-only PARISC SMP machines?]
Date: Tue, 29 Oct 2013 14:31:07 +0100 [thread overview]
Message-ID: <20131029133107.GA32231@glitch> (raw)
In-Reply-To: <526C3CFF.2070005@gmx.de>
On Sun, Oct 27, 2013 at 12:06:55AM +0200, Helge Deller wrote:
> On 10/21/2013 10:39 PM, Helge Deller wrote:
> >>> On 09/04/2013 04:28 PM, Domenico Andreoli wrote:
> >>>>>>> J5600 is SMP capable in both 32bit and 64bit mode.
> >>>>>>> mine doesn't boot 64bit SMP since 2.6.22. I've never been able to trace
> >>>>>>> it down but can confirm it happens also on more recent kernels.
> >>>>> I confirm that smp parisc64 v3.11 doesn't bring up both the cpus on my
> >>>>> system but at least it boots one, something that didn't happen in some
> >>>>> darker moments since 2.6.22.
> >>>>>
> >>>>> similar "SMP: CPU:1 is stuck." happens also with debian v3.10-parisc64-smp kernel.
> >>>> BTW, this is the most detailed investigation I'm aware of:
> >>>> https://lkml.org/lkml/2008/4/20/251
>
> I think we finally found the reason and a fix for the "CPU:1 is stuck" problem :-)
aaaand yes!
> See the patch I've just sent to the mailing list:
> [PATCH] parisc: Do not crash 64bit SMP kernels on machines with >= 4GB RAM
> https://patchwork.kernel.org/patch/3099061/
mine has (and always had) exactly 4GB
> It would be nice if those people who had problems could verify if this fixes it.
> At least on the J6750 from Dave Land I was now able to successfully boot the 64bit SMP kernel.
this fixes the issue for me
> If you might be too lazy to build yourself a kernel, just try my 3.10.17-based installer image:
> http://ftp.parisc-linux.org/debian-ports/unstable-boot-image/lifimage
I've built a shiny v3.12-rc7 parisc64.
Can't belive I'll get rid of those old 2.6.22 images and symlinks after all these years...
Many thanks.
Regards,
Domenico
next prev parent reply other threads:[~2013-10-29 13:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-29 18:51 Does there exists any 32bit-only PARISC SMP machines? Helge Deller
2013-08-30 2:42 ` James Bottomley
2013-09-03 15:56 ` Domenico Andreoli
2013-09-04 8:13 ` Aw: " Helge Deller
2013-09-04 14:07 ` Domenico Andreoli
2013-09-04 14:28 ` Domenico Andreoli
2013-09-04 15:41 ` John David Anglin
2013-09-05 16:24 ` John David Anglin
2013-10-21 20:07 ` HP J5600/J6750 64bit SMP CPU#1 stuck problems [was: Does there exists any 32bit-only PARISC SMP machines?] Helge Deller
2013-10-21 20:37 ` John David Anglin
2013-10-21 20:39 ` Helge Deller
2013-10-26 22:06 ` Helge Deller
2013-10-29 13:31 ` Domenico Andreoli [this message]
2013-09-04 8:44 ` Does there exists any 32bit-only PARISC SMP machines? Thomas Bogendoerfer
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