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Date: Sun, 30 Nov 2008 16:35:58 +0100
From: Ulf Lilleengen <lulf@stud.ntnu.no>
To: Hilko Meyer <hilko.meyer@gmx.de>
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Cc: adnan@hochpass.uni-hannover.de, freebsd-geom@freebsd.org
Subject: Re: System freeze with gvinum
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On Sat, Nov 29, 2008 at 11:47:59PM +0100, Hilko Meyer wrote:
> Hi,
> 
> I've tried to set up a raid-5 over three disks with gvinum today with this
> gvinum.conf:
> 
> drive sata1 device /dev/ad4
> drive sata2 device /dev/ad5
> drive sata3 device /dev/ad6
> 
> volume homes_raid5
>   plex org raid5 512k
>     sd length 238465m drive sata1
>     sd length 238465m drive sata2
>     sd length 238465m drive sata3
> volume dump_raid5
>   plex org raid5 512k
>     sd length 238465m drive sata1
>     sd length 238465m drive sata2
>     sd length 238465m drive sata3
> 
> Every time I tried to run newfs on one of the volumes it stucked and the
> complete system freezed, so I cannot provide a coredump. The system runs 
> 6.4-RELEASE that was compiled today. What can I do to debug this problem?
> 
Hmm, do you have any console output before the freeze? Such as g_* messages?
This might be a gvinum bug, but can also be a problem with the sata driver.

> 
> Involved hardware:
> atapci0: <nVidia nForce MCP65 UDMA133 controller>
> ad4: 476940MB <Seagate ST3500320NS SN05> at ata2-master UDMA33
> ad5: 476940MB <Seagate ST3500320NS SN05> at ata2-slave UDMA33
> ad6: 476940MB <Seagate ST3500320NS SN05> at ata3-master UDMA33
> 
> BTW: That are SATA-disks. Why they are reported as UDMA33?
Seems weird. Maybe there are some bios settings turning of AHCI-mode?

-- 
Ulf Lilleengen