From: Ralf Baechle <ralf@linux-mips.org>
To: Miod Vallat <miod@online.fr>
Cc: linux-mips@linux-mips.org
Subject: Re: arch/mips/sgi-ip22/Platform:29: *** gcc doesn't support needed option -mr10k-cache-barrier=store. Stop.
Date: Thu, 10 Apr 2014 14:46:12 +0200 [thread overview]
Message-ID: <20140410124612.GX17197@linux-mips.org> (raw)
In-Reply-To: <loom.20140410T140715-346@post.gmane.org>
On Thu, Apr 10, 2014 at 12:10:41PM +0000, Miod Vallat wrote:
> > Odd, I thought R10K systems were locked to booting 64-bit kernels only. At
> > least the Octane was when it was bootable. Not sure about IP27.
>
> The Octane needs a 64-bit ARCS and kernel only because none of its
> physical memory is addressable with KSEG0/KSEG1.
>
> > >> IP26 (R8000) is not supported in Linux. I think OpenBSD got it
> working, though.
>
> For some very limited value of working (it boots single-user but does not
> last long due to page table corruption).
The R8000 is infamous for its buggyness. In a silent night in Mountain View
you can still hear SGI IRIX developers' curses echoing from distant
mountains ...
Ralf
next prev parent reply other threads:[~2014-04-10 12:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <534138d9.RISUZQYUMS8U8s42%fengguang.wu@intel.com>
2014-04-09 5:19 ` arch/mips/sgi-ip22/Platform:29: *** gcc doesn't support needed option -mr10k-cache-barrier=store. Stop Fengguang Wu
2014-04-09 8:24 ` Florian Lohoff
2014-04-09 13:32 ` Thomas Bogendoerfer
2014-04-09 23:13 ` Fengguang Wu
2014-04-09 23:44 ` Joshua Kinard
2014-04-10 0:38 ` Ralf Baechle
2014-04-10 3:02 ` Joshua Kinard
2014-04-10 6:59 ` Ralf Baechle
2014-04-13 20:23 ` Joshua Kinard
2014-04-10 12:10 ` Miod Vallat
2014-04-10 12:46 ` Ralf Baechle [this message]
2014-04-10 13:21 ` Thomas Bogendoerfer
2014-04-11 1:59 peter fuerst
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