Re: IDE *data corruption* VIA VT8367

[Alan Cox]

> These combinations give errors: (hda hdc hde hdg), (hdc hde hdg)
> 
> These combinations run flawless: (hda hdc hde), (hde hdg), (hda hdc
> hdg). I did not test more combinations because every test takes some
> hours.
> 
> Attaching hdg as a slave drive to the first promise port (which gives
> me hdf instead and the second promise port emtpy) makes the array run
> fine, but performance drops to a figure comparable to a single drive.
> 
> There are no error logs whatsoever (except for the dt output). Without
> RAID-array and without heavy IDE access, the machine runs stable.
> 
> Kernels tested: 2.4.18, 2.4.19pre8
> 
> Has anybody seen this before? Any info would be appreciated. I would
> be happy to provide more information.

I have multiple similar reports, and in all cases where people tried, switching
to a non via chipset cured it - it might be co-incidence but I have enough
reports I suspect its some kind of hardware incompatibility/limit with
the VIA and multiple promise ide controllers