Re: [gentoo-server] pdc 20267 and 2.6.x = corruption

[Matt Hallmark]

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Well I was having that problem w/ an older ATA100 only promise card in
2.4 too.  I thought it due to irq conflicts w/ the other Highpoint
372/374 onboard ide ports, the mobo ports and the scsi hba all moving
data at the same time.  This was back in 2.4.20-22ac days.

My problems were limited to trucking data across hba's.  A copy from
disk to disk on the same controller would succeed, or even a single copy
across controllers would be slow, w/ regular pauses for whatever reason,
but stable.  When I ran more than one copy I'd get freezing, dma
timeouts, controller reseets, dma turned off etc.  You obviously know
that drill. :)

FYI, my 20269 is in the same mobo as the earlier card, an Abit w/ i845PE
chipset.

Matt

Chris Smart wrote:
| Thanks Matt,
|
| You would be using the "new" promise driver then, as it starts at
| chipset 20268 and upwards.
|
| Perhaps it's just the "old" driver that is borked? or perhaps it's my
| new seagate hdd (which I doubt because 2.4 kernel works a treat).
|
| I can't find anyone else with this problem though.. so maybe I'm just
| crazy.
|
| I can copy files for a while or start a kernel compile then "bang" - the
| kernel can't talk to the drive.
|
| Cheers
| -c
|
| Matt Hallmark wrote:
|
| Well, I'm running:
| Linux hax 2.6.3-gentoo-r2 #3 Wed May 5 02:22:32 PDT 2004 i686 Intel(R)
| Pentium(R) 4 CPU 2.40GHz GenuineIntel GNU/Linux
|
| WIth a Promise:
| 20269:0000:02:04.0 Unknown mass storage controller: Promise Technology,
| Inc. 20269 (rev 02)
|
| I've got 2 Maxtor 7200rpm 120's as primary on each Promise channel with
| these results:
|
| 2mb cache:
| hax root # hdparm -tT /dev/hdf
|
| /dev/hdf:
| ~ Timing buffer-cache reads:   1412 MB in  2.00 seconds = 705.40 MB/sec
| ~ Timing buffered disk reads:  142 MB in  3.02 seconds =  47.01 MB/sec
|
| 8mb cache:
| hax root # hdparm -tT /dev/hdg
|
| /dev/hdg:
| ~ Timing buffer-cache reads:   1372 MB in  2.00 seconds = 686.10 MB/sec
| ~ Timing buffered disk reads:  168 MB in  3.03 seconds =  55.53 MB/sec
|
| I've also got 4 other ide disks on the mobo controllers and a u160 hba
| and single 15K boot drive.
|
| No ide tweaks were made, this system is less than a week old atm.
|
| Matt Hallmark
|
| Chris Smart wrote:
| | sorry.. I meant "..with promise ultra100 controller (namely 20267
| | chipset) and *2.6.x* kernels?"
| |
| | that's 2.6, not 2.5.. thanks
| |
| | Chris Smart wrote:
| |
| |> Howdy,
| |> Anyone had any problems (or know of any fixes) with promise ultra100
| |> controller (namely 20267 chipset) and 2.5.x kernels?
| |>
| |> 2.4.x seems rock stable, and fast (55mb/sec)
| |>
| |> 2.6.x is slow (30mb/sec) and causes hdd corruptions (using "old"
| |> promise driver for up to 20267).
| |>
| |> I've searched online but can't find any answers, so I turn to my
| |> trusty friends on the gentoo-server list.
| |>
| |> Cheers,
| |>
| |> Chris
| |
| |
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