Date: Wed, 31 Aug 2005 20:56:04 +0200
From: Pavel Machek <pavel@suse.cz>
To: Christoph Pleger <Christoph.Pleger@uni-dortmund.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Swap areas lose their signatures after reboot
Message-ID: <20050831185604.GF703@openzaurus.ucw.cz>
References: <20050830142615.12910b57.Christoph.Pleger@uni-dortmund.de>
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Hi!

> We have a machine with much RAM and 4 SCSI disks. We want to have 8 GB
> of Swap space. So I partitioned the hard disks with one swap partition
> of 2GB on every disk. But only the swap partition of the first disk can
> be used after a reboot; the other three swap partitions lose their swap
> signature.
> 
> When I call "swapon -a" manually, it says "Invalid argument" for these
> three partitions. After executing "mkswap" on them, "swapon -a" works
> fine. But I have to call "mkswap" after every reboot.
> 
> What happens with the swap signatures during reboot?

swsusp plays with them... Are you using swsusp?
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