Date: Thu, 23 Oct 2003 03:35:08 -0000 From: Eugene Grosbein <eugen@kuzbass.ru> To: Doug White <dwhite@gumbysoft.com> Cc: sos@FreeBSD.org Subject: Re: kern/57174: 4.9-PRERELEASE panic: ata_dmasetup: Message-ID: <3F974C4F.A0F28EA0@kuzbass.ru> References: <200310210745.h9L7j9ed013183@atlantis.dp.ua> <3F95E895.9E936CEC@kuzbass.ru> <20031022153313.U71676@carver.gumbysoft.com>
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Doug White wrote: > > So Tagged Queueing may be guilty (again). > > Why do you have ATA tagging turned on in the first place? It's known to > not work with 99% of the hardware out there; only a couple of models of > IBM drives having working tagging. I use it because: 1. Man 4 ata says it will work with my HDD. 2. It really worked after ata(4) bug was fixed shortly after 4.5-RELEASE. Yes, it did not work with 4.5-PRERELEASE due to ata(4) famous bug. Now it work fine even with presence of massive I/O activity when this activity does not continue for very long time (half an hour and more) uninterruptedly. It panices reproducibly and crashdumps are pretty same. Eugene Grosbein
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