Date: Mon, 08 Jan 2007 00:04:59 +0100 From: Remko Lodder <remko@FreeBSD.org> To: Lars Engels <lars.engels@0x20.net> Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/107608: Raid Problem beim Zugriff auf Raid Message-ID: <45A17C9B.20307@FreeBSD.org> In-Reply-To: <200701072300.l07N0eGr056613@freefall.freebsd.org> References: <200701072300.l07N0eGr056613@freefall.freebsd.org>
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Lars Engels wrote:
> The following reply was made to PR kern/107608; it has been noted by GNATS.
>
> From: Lars Engels <lars.engels@0x20.net>
> To: bug-followup@FreeBSD.org, kleister@1a-infosysteme.de
> Cc:
> Subject: Re: kern/107608: Raid Problem beim Zugriff auf Raid
> Date: Sun, 7 Jan 2007 22:52:14 +0100
>
> --Pbi2MkfjSbXbI4MN
> Content-Type: text/plain; charset=iso-8859-15
> Content-Disposition: inline
>
> Remko asked me to translate the pr from german to (bad) english.
>
> ------------------------------------------------------------------
>
> Hello, following problem:
>
> The server runs under heavy load without any problem for about a week.
> Then, when the swap is accessed, the whole system freezes with this
> error message:
>
> swap_pager: indefinite wait buffer: bufobj: 0, blkno:2, size: 4096
> swap_pager: indefinite wait buffer: bufobj: 0, blkno:18, size: 4096
> swap_pager: indefinite wait buffer: bufobj: 0, blkno:5, size: 4096
>
> The System hangs and needs to be resetted.
>
> I already googled the problem and found other people having the same
> problem but related to RAID cards.
> The RAID doesn't get destroyed then.
>
> tw_cli /c0 show all
> /c0 Driver Version = 3.60.02.012
> /c0 Model = 9500S-8
> /c0 Memory Installed = 112MB
> /c0 Firmware Version = FE9X 2.08.00.006
> /c0 Bios Version = BE9X 2.03.01.052
> /c0 Monitor Version = BL9X 2.02.00.001
> /c0 Serial Number = L19404A5400107
> /c0 PCB Version = Rev 019
> /c0 PCHIP Version = 1.50
> /c0 ACHIP Version = 3.20
> /c0 Number of Ports = 8
> /c0 Number of Units = 3
> /c0 Number of Drives = 8
> /c0 Total Optimal Units = 3
> /c0 Not Optimal Units = 0
> /c0 JBOD Export Policy = off
> /c0 Disk Spinup Policy = 1
> /c0 Spinup Stagger Time Policy (sec) = 2
> /c0 Auto-Carving Policy = off
> /c0 Auto-Carving Size = 2048 GB
> /c0 Cache on Degrade Policy = Cache Off
>
> Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
> ------------------------------------------------------------------------------
> u0 RAID-10 OK - - 64K 130.365 ON OFF
> u1 RAID-5 OK - - 64K 465.641 ON OFF
> u2 SPARE OK - - - 232.877 - OFF
>
> Port Status Unit Size Blocks Serial
> ---------------------------------------------------------------
> p0 OK u0 69.25 GB 145226112 WD-WMAKE1901350
> p1 OK u0 69.25 GB 145226112 WD-WMAKE1901550
> p2 OK u0 69.25 GB 145226112 WD-WMAKE1902083
> p3 OK u0 69.25 GB 145226112 WD-WMAKE1901530
> p4 OK u1 232.88 GB 488397168 WD-WMANY1038026
> p5 OK u1 232.88 GB 488397168 WD-WCANK2644746
> p6 OK u1 232.88 GB 488397168 WD-WCANK3893478
> p7 OK u2 232.88 GB 488397168 WD-WCAL76951640
>
>
>
> Remark: The problem didn't occut in FreeBSD 5.5.
>
> How-To-Repeat:
> Only with RAID card. I also have the same problem on other RAID
> machines.
> I rule out hardware issues.
>
> Fix:
> Deactivate swap, which isn't that nice...
>
> --Pbi2MkfjSbXbI4MN
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> --Pbi2MkfjSbXbI4MN--
Thanks Lars for the translation!!
--
Kind regards,
Remko Lodder ** remko@elvandar.org
FreeBSD ** remko@FreeBSD.org
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