From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: Date: Tue, 5 Feb 2008 08:54:27 +0000 From: "Lorenzo Fernando Bivens de la Fuente" To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu> Subject: Re: [9fans] VIA VT8237 SATA/RAID i/o errors, dma doesnt work In-Reply-To: <47A81BCD.9040109@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <47A81BCD.9040109@gmx.de> Topicbox-Message-UUID: 46787af4-ead3-11e9-9d60-3106f5b1d025 I have a via pc2500 mobo with that same chipset, afaik... I bought it very cheap thinking that it would be a great plan 9 machine but I was not able to install it because the ide/sata controller did not seem to be recognized by plan 9. I was using two sata disks at that moment. Perhaps I should try again. I'll tell you how it goes... On Tue, Feb 5, 2008 at 8:18 AM, Kernel Panic wrote: > Hello, > > I purchased an C7 based machine with VIA VT8237 SATA/RAID: > > http://www2.digitalo.de/deeplink.jsp;jsessionid=0FEFF78E7DE9EC893CD54A5B75AA7B60?PROD=948733&EXT=SHOPPING > > Have 2 SATA disks attached. They are detected like normal IDE devices. > The Installation of Plan9 worked fine. Created partitions and #k mirror > and setup > venti. I wanted to copy the arenas of my old fileserver to it and then > later format > fossil with the last score, but the machine fails before > finishing/reading the first > arena. :-( > > First, i found that DMA was disabled for both drives, so i forced it on > with: > echo dma on >/dev/sdC0/ctl > echo dma on >/dev/sdD0/ctl > > ...then i get i/o errors in venti and plan9 paniced. so this was not > such a good idea i guess... > reformated all venti partitions and tried again several times with > different bios options > (without DMA, tried both bios SATA IDE and SATA RAID mode): > > - after hours of disk activity, sdD0 failed... i tried to read > /dev/sdD0/data and got i/o error instantly and > after reboot worked again. > > - after hours of disk activity, i see i/o-error that it cant read > /dev/sdD0/9hal.vtbloom > (venti bloomfilter partition 64MB). and then crashed with poolpanic. > > http://plan9.bell-labs.com/wiki/plan9/Supported_PC_hardware/index.html > shows that this > controller should work but it doesnt for me currently. > > pci -v shows the as same ids as in the sdata.c driver. > > Is anybody using that sata controller? (with multiple SATA disks?) Do i > miss here something? > Are here any special BIOS options i need to get this working? > > cinap > >