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SubjectRe: more 3ware issues

I am working on them with a project here, and they have a lot of issues.
Most of these issues just require some hard work. I am seeing problems
on 2.2.19 on all machines if you cram 4 of these 8 IDE disk adapters
into a single bus. There are some hardware issues with the cards that seem
to show up on all systems I test on with this many adapters.

Jeff


On Sat, May 12, 2001 at 09:54:28PM -0700, Larry McVoy wrote:
> I have a few more data points on the 3ware 6410 card in case anyone else
> is looking at this. As I said before, this is a nicely designed card,
> I like it, kudos to the 3ware folks.
>
> Combinations which work for me:
>
> ASUS A7V and K7V motherboards, K7@1Ghz, 3c905, 1GB - 1.5GB ram. Works
> like a champ under 2.2.19, not so great under 2.2.15 (Mandrake 7.1) nor
> under 2.4.4.
>
> Combination which does not work under 2.2.15, 2.2.19, or 2.4.4:
>
> Abit KT7 motherboard, K7@1Ghz, 3c905, 1GB. I strongly suspect the Abit
> motherboard being the cause of the problem. What I see is as soon as
> I start a disk scrubber on all 4 drives, is stuff like
>
> 3w-xxxx: tw_post_command_packet(): Unexpected bits.
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x572076c0).
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x57206a60).
> 3w-xxxx: tw_post_command_packet(): Unexpected bits.
> 3w-xxxx: tw_interrupt(): Bad response, status = 0xc7, flags = 0x1b, unit = 0x0.
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x572079a0).
> 3w-xxxx: tw_interrupt(): Unexpected bits.
> 3w-xxxx: tw_interrupt(): Bad response, status = 0xc7, flags = 0x1b, unit = 0x0.
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x572079c0).
> 3w-xxxx: tw_interrupt(): Unexpected bits.
> 3w-xxxx: tw_scsi_eh_abort(): Abort failed for unknown Scsi_Cmnd 0xfbf4ac00, resetting card 0.
> 3w-xxxx: tw_scsi_eh_reset(): Reset succeeded for card 0.
> 3w-xxxx: tw_post_command_packet(): Unexpected bits.
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x57226a60).
> 3w-xxxx: tw_post_command_packet(): Unexpected bits.
> 3w-xxxx: tw_check_bits(): Found unexpected bits (0x57226a60).
> 3w-xxxx: tw_post_command_packet(): Unexpected bits.
> 3w-xxxx: tw_scsi_eh_abort(): Abort failed for unknown Scsi_Cmnd 0xfbf49e00, resetting card 0.
>
>
> Those are cut and pasted from several different OS versions, so they don't
> all go together. The bottom line was that with the Abit the system was
> just completely unstable and unusable. When the problems occurred, it
> would stall all I/O for quite a while (a minute or more) and then reset
> the card, unwedge, and repeat.
>
> Again, I don't want people to take this as a slam on the 3ware cards, I
> like them a lot, in fact after getting the first one to work last week
> I ordered more of them, which resulted in the Abit problems. I don't
> think it's the card at all. Everyone I know who has them likes them.
> It's just that some combinations work and some don't (yet) so it's
> useful information for people to know which is which.
>
> If Adam or anyone wants to try and debug this, I'll happliy put the machine
> with the Abit and a card up on the net, you can ssh in and do whatever
> you want to it, let me know.
>
> --lm
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