Date: Sat, 10 Jan 2004 18:06:34 +0100
From: martin f krafft <madduck@madduck.net>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: stability problems with 2.4.24/Software RAID/ext3
Message-ID: <20040110170634.GA31201@piper.madduck.net>
Mail-Followup-To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
	linux-kernel@vger.kernel.org
References: <20040108151225.GA11740@piper.madduck.net> <1073671862.24706.13.camel@tux.rsn.bth.se> <20040109185348.GA24499@piper.madduck.net> <Pine.LNX.4.58L.0401101005470.3641@logos.cnet>
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also sprach Marcelo Tosatti <marcelo.tosatti@cyclades.com> [2004.01.10.1306=
 +0100]:
> Did you ever try to disable the DMA as suggested?

I am sorry, Marcelo, that it took me so long.

In fact, I tried disabling the DMA and I could *not* get it to crash
without DMA. It did also not crash with DMA on for the onboard (VIA)
controller and off for the Promise. But when I turned DMA back on
for the Promise, it crashed again.

Martin Josefsson has suggested that the Promise controller may be
defective, and it certainly looks like that. I am now trying
a different Promise controller (20376 rather than the 20369, but
same driver), but it also crashes.

Thus, it looks like it's a problem with the driver, doesn't it? Or
either of the two disks. I will run badblocks over them on
a known-to-be-good controller when I get a chance.

If it's a problem with the driver, then I would be happy to help,
but I know nothing about these layers of the computer. I would,
however, give the controller away to someone eager to debug the
driver (provided the university will let me)!

Cheers,

--=20
martin;              (greetings from the heart of the sun.)
  \____ echo mailto: !#^."<*>"|tr "<*> mailto:" net@madduck
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a qui sait comprendre, peu de mots suffisent.
                                                 -- intelligenti pauca

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