Date: Sat, 22 Jun 2002 10:25:23 +0200 (CEST) From: Soeren Schmidt <sos@freebsd.dk> To: Dmitry Morozovsky <marck@rinet.ru> Cc: stable@freebsd.org Subject: Re: More comments about ATA tagging with 4-stable Message-ID: <200206220825.g5M8PN0Y052635@freebsd.dk> In-Reply-To: <20020621210356.F56241-100000@woozle.rinet.ru>
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It seems Dmitry Morozovsky wrote: > Colleagues, > > one of our machines does *not* work properly with ATA tags even after last > splx commit to ata-all.c. The only difference I've found with it is that > it has three IBM disks and one of them does not support tagging: > > Jun 20 18:44:40 jubjub /kernel: ad0: 19574MB <IBM-DPTA-372050> [39770/16/63] at ata0-master tagged UDMA33 > Jun 20 18:44:40 jubjub /kernel: ad2: 9641MB <IBM-DTTA-371010> [19590/16/63] at ata1-master UDMA33 > Jun 20 18:44:40 jubjub /kernel: ad3: 58644MB <IBM-DTLA-307060> [119150/16/63] at ata1-slave tagged UDMA33 > > so, as you can see, there is tagged-capable disk at ata0 and two, one > capable and one non-capable at ata1. Hmm, I'll try to reproduce this here, however I do have a patch that allows to use tags on the DTTA as well, that could maybe throw some light on this... > Troubles I have look familiar: > > Jun 20 18:44:40 jubjub /kernel: ad3: READ command timeout tag=0 serv=0 - resetting > Jun 20 18:44:40 jubjub /kernel: ad3: invalidating queued requests > Jun 20 18:44:40 jubjub /kernel: ata1: resetting devices .. ad3: invalidating queued requests > Jun 20 18:44:40 jubjub /kernel: done > Jun 20 18:44:40 jubjub /kernel: ad3: no request for tag=0 > Jun 20 18:44:40 jubjub /kernel: ad3: invalidating queued requests > Jun 20 18:44:40 jubjub /kernel: ad3: READ command timeout tag=0 serv=0 - resetting > > However, this machine locks up instead of just dropping to PIO (and cause > it's production machine, I had not much time for experiments) Doh! not good... > I can provide more details if you are interested, Soeren. OK, I'm not going to have much time over the next week or two, as I'm on vacation and the family calls for attention :) but I'll look into it as soon as time permits.. > Anyway, thank you again for you work at ata driver. Your're welcome :) -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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