From: Axel Belinfante <Axel.Belinfante@cs.utwente.nl>
To: 9fans@cse.psu.edu, "Russ Cox" <rsc@plan9.bell-labs.com>
Subject: Re: [9fans] dossrv: I/O error: dev 3 sector ..., read: 0, should be 4608
Date: Tue, 18 Jul 2000 17:18:47 +0200 [thread overview]
Message-ID: <200007181518.RAA00977@copernicus.cs.utwente.nl> (raw)
In-Reply-To: Your message of "Mon, 17 Jul 2000 17:03:35 -0400." <200007172103.RAA17759@smtp4.fas.harvard.edu>
> The first thing to do is see if the sector
> numbers make any sense. First,
> multiply them by 512 and see if they're
> still 31-bit numbers. If not, you need
> to change devio.c thusly:
>
> g% diff /n/dump/2000/0601/sys/src/cmd/dossrv/devio.c devio.c
> 38c38
> < seek(xf->dev, xf->offset+addr*Sectorsize, 0);
> ---
> > seek(xf->dev, xf->offset+(vlong)addr*Sectorsize, 0);
> 57c57
> < seek(xf->dev, xf->offset+addr*Sectorsize, 0);
> ---
> > seek(xf->dev, xf->offset+(vlong)addr*Sectorsize, 0);
> g%
Without first checking the sector numbers (sorry! :-) I immediately
applied this change, with good success: it now seems to work ok.
Thanks!
Axel.
next prev parent reply other threads:[~2000-07-18 15:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-17 21:03 Russ Cox
2000-07-18 15:18 ` Axel Belinfante [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-07-17 17:26 Axel Belinfante
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