Hi, I was told to forward my error report to this address.
I am keen to test again if someone has a good suggestion / updated 
driver etc... (Give me a couple of days in that case...)


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Hi,

I'm having serious disk-issues when using the on-board nvidia controller 
for my HDDs (My motherboard is a Gigabyte GA-N650SLI-DS4 with nvidia 
chipset, cpu is intel Core2Quad)

excerpt from "lspci":
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller 
(rev a1)
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller 
(rev a1)

I have a normal IDE/P-ATA-disk attached to the "IDE"-controller and that 
works fine (/dev/hda)

However, any number of disks (I have tried 2 and 4) connected to the 
SATA-controller(s), will eventually fail. - See attached log (excerpt / 
anything relevant from /var/log/messages)

At first, disks were REALLY unstable, but then I disabled S.M.A.R.T. 
(both in BIOS and Linux), and I updated from the CentOS5 (equivalent of 
RHEL5) kernel (2.6.18) to the latest (at that time) official kernel form 
kernel.org:

 > uname -a
Linux mirakel 2.6.22.5-custom_jir #2 SMP Thu Aug 30 22:06:21 CEST 2007 
i686 i686 i386 GNU/Linux

Now it will normally take a day or two before SATA crashes, so things 
are better, but still rather useless.

First error when sata_nv get into problems is always:
"exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen"
(as shown in the attached log-file.) - when this happens to one device, 
it'll almost instantly happen to the other disk attached to that 
controller as well. A couple of minutes (or so) later, the disk(s) 
connected to the other controller will start acting up as well (in the 
same manner). - I/O freezes, and nothing helps except a reboot...

As I run a rather large (software / md) RAID-5 disk array on this server 
(I'm doing a bit of video editing), every crash means a time-consuming 
rebuild of the disk-array...

I have given up on the sata_nv / nvidia-controllers for the time being.
I now resort to some old PCI-connected sata-controllers which work fine 
(but slow, as they are outdated and "overloaded").

So, if anyone has a good solution / suggestion / improved driver (over 
the one supplied with the official 2.6.22.5-kernel) I am eager to give 
it a go and see if the situation can be resolved.

I appreciate any sensible suggestions.

BR
Jon Ivar

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