Date: Fri, 2 Aug 2002 17:35:37 +0200 (CEST) From: Soeren Schmidt <sos@freebsd.dk> To: Martin Blapp <mb@imp.ch> Cc: sos@freebsd.org, stable@freebsd.org Subject: Re: After upgrade: panic with ad0 device Message-ID: <200208021535.g72FZcKC041719@freebsd.dk> In-Reply-To: <20020802171854.I58571-100000@levais.imp.ch>
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It seems Martin Blapp wrote: > We get repeatable panics on a old machine, where a ATA > disk seems to have problems. > > It works fine on 4.4 (beside some timeout messages), > panics reproducable at startup every time at the same > place. > > With 4.4 we got: > > ad0: READ command timeout tag=0 serv=0 - resetting > ata0: resetting devices .. done > ad0: READ command timeout tag=0 serv=0 - resetting > ata0: resetting devices .. done > ad0: READ command timeout tag=0 serv=0 - resetting > ata0: resetting devices .. done > ad0: READ command timeout tag=0 serv=0 - resetting > ad0: trying fallback to PIO mode > ata0: resetting devices .. done > > Everything worked. Now, after a upgrade to 4.6 STABLE > we get a panic after "ad0: trying fallback to PIO mode". dmesg ? !?! > Set the device in BIOS to PIO mode doesn't help too. That changes nothing at all.. Maybe you could disable DMA from the loader, does it work then ? -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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