Joao Barros wrote:
On 11/20/07, Thierry Herbelot <[EMAIL PROTECTED]> wrote:
Le Tuesday 20 November 2007, Ari Suutari a écrit :

I have Promise TX2 (PDC20575). It didn't work with 7.0 betas
before, but with this patch things run as well as they did
on 6.x.

     Ari S.
Hello,

Has anyone an idea why the Promise controllers seemed to work correctly under
6.x, then have issues with 7.0 ? (more precisely : was the existing bug not
triggered by the 6.x kernel ?)

The problems as in the Promise HW, so it bound to happen on 6.x as well. Note that it just leads to data corruption not nessesarily hangs/lockups.

Apparently not all Promise controllers are/were affected. I've been
running CURRENT since Pawel committed ZFS with an onboard Promise:

atapci0: <Promise PDC20319 SATA150 controller> port
0xb000-0xb03f,0xb400-0xb40f,0xb800-0xb87f mem
0xfc024000-0xfc024fff,0xfc000000-0xfc01ffff irq 23 at device 4.0 on
pci4
ar0: 305245MB <Promise Fasttrak RAID0 (stripe 64 KB)> status: READY
ar1: 305245MB <Promise Fasttrak RAID0 (stripe 64 KB)> status: READY
No, only the newer "Gen2" chips, the older should be safe.
[EMAIL PROTECTED]:4:4:0:     class=0x010400 card=0x80f51043 chip=0x3319105a
rev=0x02 hdr=0x00
    vendor     = 'Promise Technology Inc'
    device     = 'PDC20319(??) FastTrak SATA150 TX4 Controller'
    class      = mass storage
    subclass   = RAID

The only problem I have and I'm filling a pr for that, is when booting
from CD with the controller enabled, the BTX loader just reboots.
Thats at least not an ATA problem :)

-Søren


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