Date: Mon, 19 Jan 2004 15:08:09 +0200 From: Matti Saarinen <mjs@cc.tut.fi> To: Don Lewis <truckman@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: 5.2R: panic (syncer) on IBM x345 (SMP and Vinum) Message-ID: <qzun08kozly.fsf@butler.cc.tut.fi> In-Reply-To: <200401191139.i0JBdD7E055679@gw.catspoiler.org> (Don Lewis's message of "Mon, 19 Jan 2004 03:39:13 -0800 (PST)") References: <200401191139.i0JBdD7E055679@gw.catspoiler.org>
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Don Lewis <truckman@freebsd.org> writes:
>> (da0:ahd0:0:0:0): Retrying Command
>> (da0:ahd0:0:0:0): Queue Full
>> (da0:ahd0:0:0:0): tagged openings now 128
>> (da0:ahd0:0:0:0): Retrying Command
>
> Try using the camcontrol modepage command to turn off write caching
> on each of the drives (set the WCE bit to 0).
I hope I've understood the output of the camcontrol command correctly.
The WCE bit is already set zero for all the devices connected to ahd0.
# camcontrol modepage da0 -l
0x01 Read-Write Error Recovery Page
0x02 Disconnect-Reconnect Page
0x03 Format Device Page
0x04 Rigid Disk Drive Geometry Page
0x07 Verify Error Recovery Page
0x08 Caching Page
0x0a Control Mode Page
0x0c Notch and Partition Page
0x19
0x1c
0x21
0x00 Vendor-Specific
0x34
# for i in {0..6}
do
echo -n "da$i: " && ( camcontrol modepage da$i -m 0x08 | grep WCE )
done
da0: WCE: 0
da1: WCE: 0
da2: WCE: 0
da3: WCE: 0
da4: WCE: 0
da5: WCE: 0
da6: WCE: 0
--
- Matti -
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