From: Ralf Baechle <ralf@linux-mips.org>
To: Kumba <kumba@gentoo.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Florian Lohoff <flo@rfc822.org>,
linux-mips@linux-mips.org, debian-mips@lists.debian.org
Subject: Re: Tester with IP27/IP30 needed
Date: Tue, 22 Jan 2008 15:49:58 +0000 [thread overview]
Message-ID: <20080122154958.GA29108@linux-mips.org> (raw)
In-Reply-To: <479609A6.2020204@gentoo.org>
On Tue, Jan 22, 2008 at 10:20:06AM -0500, Kumba wrote:
> No effect on Octane R14000A, as far as lockups. Spikes the CPU usage in 'ps
> aux', but that's about it.
So far it seems R12000 and R14000 are unaffected.
> If I can get my plucky IP32 R10K to boot again soon, I may try it there for
> kicks and giggles. Maybe we're also seeing a side effect of the R10K's spec
> exec knocking the non-cache-coherent machines out?
>
> Also, tried building the code with the R10K cache barrier on to see if anything
> else changes? Generally reserved for kernel stuff, but Peter once speculated
> userland might have a use for it.
It's a cache instruction so priviledged which means userspace can't execute
it. It's also entirely unclear if a cache barrier instruction would make a
difference at all.
Ralf
next prev parent reply other threads:[~2008-01-22 15:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 11:24 Tester with IP27/IP30 needed Thomas Bogendoerfer
2008-01-15 11:27 ` Florian Lohoff
2008-01-17 0:40 ` Thomas Bogendoerfer
2008-01-17 8:27 ` Florian Lohoff
2008-01-17 10:00 ` Thomas Bogendoerfer
2008-01-17 15:10 ` Ralf Baechle
2008-01-19 19:12 ` Thomas Bogendoerfer
2008-01-17 11:59 ` Ralf Baechle
2008-01-22 15:20 ` Kumba
2008-01-22 15:49 ` Ralf Baechle [this message]
2008-01-26 3:12 ` Kumba
2008-01-26 14:39 ` Thomas Bogendoerfer
2008-02-02 22:08 ` Kumba
2008-02-03 2:16 ` Ralf Baechle
2008-02-03 6:27 ` Florian Lohoff
2008-02-05 7:11 ` Kumba
2008-02-05 12:22 ` Thiemo Seufer
2008-02-06 3:25 ` Kumba
2008-02-06 8:56 ` Florian Lohoff
2008-02-06 14:22 ` Ralf Baechle
2008-02-08 17:23 ` Florian Lohoff
2008-02-08 19:05 ` Thiemo Seufer
2008-02-08 19:29 ` Ralf Baechle
2008-02-07 5:30 ` Kumba
2008-02-05 15:23 ` Ralf Baechle
2008-01-23 8:47 ` peter fuerst
2008-01-15 13:11 ` Ralf Baechle
2008-01-15 13:53 ` Ralf Baechle
2008-01-15 18:18 ` Ralf Baechle
2008-01-16 16:03 ` Ralf Baechle
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080122154958.GA29108@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=debian-mips@lists.debian.org \
--cc=flo@rfc822.org \
--cc=kumba@gentoo.org \
--cc=linux-mips@linux-mips.org \
--cc=tsbogend@alpha.franken.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.