Date: Wed, 30 Nov 2005 15:24:08 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: Doug White <dwhite@gumbysoft.com> Cc: Nils Berzins <nils.berzins@gmail.com>, stable@freebsd.org Subject: Re: Trouble with amd64 Message-ID: <20051130232408.GA21393@odin.ac.hmc.edu> In-Reply-To: <20051130135930.O18370@carver.gumbysoft.com> References: <ab3a7e080511221938u2c02e645gc5b39fab7eb12bc3@mail.gmail.com> <20051130135930.O18370@carver.gumbysoft.com>
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--vtzGhvizbBRQ85DL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 30, 2005 at 02:05:55PM -0800, Doug White wrote: > On Wed, 23 Nov 2005, Nils Berzins wrote: >=20 > > Hi ! > > > > Few days ago I downloaded release 6.0 ISOs, in hope that I will finally= be > > able to run FreeBSD on my home computer. Unfortunately, booting from CD= dies > > with: > > > > > panic: sym: VTOBUS FAILED ! > > > > Is there something I can do to get around this error, or do I just wait= for > > more less stable 7.0 :-( >=20 > According to the code this panic occurs when there is a problem with the > DMA memory management. Typically we see this when the driver is not 64-bit > clean, but I'd find that hard to believe with amd64 since the same driver > runs on sparc64 fine (and must since many Sun machines have embedded sym > controllers). >=20 > Unfortunately it doesn't help that the sym driver has its own bizarre DMA > management. It uses busdma but its kinda bolted on over the old > memory-block management. Not going to make it any easier to debug. sym(4) devices don't work on amd64. I sent one to scottl a while ago, but the release has kept him busy. If someone else want's to take a shot at it, you can get LSI-Logic sym(4) cards for $40 or less if you get a minimal white box OEM card. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --vtzGhvizbBRQ85DL Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFDjjSYXY6L6fI4GtQRAn8lAJ9rjr51gv6ngv3oBSZb2LvgjMtNYACfXkbU VrmmZ2d2YyYdRd1t1GnOHX8= =LZh9 -----END PGP SIGNATURE----- --vtzGhvizbBRQ85DL--
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