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From: Olivier Bornet <>
To: Alan Cox <>,
	Linux Kernel Mailing List <>
Subject: Re: problem with a cobalt RaQ550 system and DMA (Serverworks OSB4 in impossible state)
Date: Thu, 24 Apr 2003 10:00:23 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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Hi all,

I reply to myself, after having test this solution.

> At this time, I have compiled and installed a 2.4.20-ac2 + some cobalt
> patches. Is the bug also fixed in 2.4.20-ac2, or must I rebuild the
> 2.4.20 with the check commented out ?

The 2.4.20-ac2 patched kernel help a little : the system don't crash
anymore. But the disk is marked as defective, and is removed from the
raid1 metadevice.

One other problem with the -ac2 is the speed for the rebuild : it seems
to be 2 times slower than with the Ducan patch. (about 2 hours instead
of 1 hour).

So, my solution is to use the patch from Ducan. I hope it (or a
derivative form of it) will be included in the next kernel releases.

Good day, and thanks all for the help.

Olivier Bornet                 |      français :
Swiss Ice Hockey Results       |      english  :                |      deutsch  :         |      italiano :
Get my PGP-key at or at

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  reply	other threads:[~2003-04-24  7:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-23 21:27 problem with a cobalt RaQ550 system and DMA (Serverworks OSB4 in impossible state) Olivier Bornet
2003-04-23 22:21 ` Alan Cox
2003-04-23 23:29   ` Olivier Bornet
2003-04-24  8:00     ` Olivier Bornet [this message]
2003-04-24 21:51       ` problem with Serverworks CSB5 IDE Duncan Laurie
2003-04-24 23:52         ` Duncan Laurie
2003-04-25 11:00         ` Alan Cox
2003-04-25 16:39           ` Duncan Laurie
2003-04-25 15:42             ` Alan Cox
2003-04-25 18:52               ` Duncan Laurie
2003-04-25 18:02                 ` Alan Cox
2003-04-28 13:03                 ` Alan Cox
2003-04-24  0:02 ` problem with a cobalt RaQ550 system and DMA (Serverworks OSB4 in impossible state) Duncan Laurie
2003-04-24  7:55   ` Olivier Bornet

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