Date: Fri, 12 Jan 2001 20:09:20 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: Alfred Perlstein <bright@wintelcom.net> Cc: current@FreeBSD.org, Jordan Hubbard <jkh@winston.osd.bsdi.com> Subject: Re: Anybody else seeing a broken /dev/lpt with SMP on -current? Message-ID: <XFMail.010112200920.jhb@FreeBSD.org> In-Reply-To: <20010112190554.E7240@fw.wintelcom.net>
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On 13-Jan-01 Alfred Perlstein wrote: > * John Baldwin <jhb@FreeBSD.ORG> [010112 18:56] wrote: >> >> On 13-Jan-01 Jordan Hubbard wrote: >> > I've actually been seeing this for about 2 months now but only just >> > now got motivated enough to enable crashdumps and get some information >> > on what happens whenver I try to use the printer attached to my (sadly :) >> > -current SMP box: >> > >> >> All the other traces show the kerenl having returned to an address that is >> beyongd the end of the kernel (which causes the page fault) meaning that the >> stack is fubar'd, so the trace isn't meaningful anyways. :( Knowing how and >> why the lpd interrupt handler trashes the stack is the useful info, and with >> teh stack already trashed, I don't know of an easy way to figure that out. >> Suggestions welcome. > > printf(9) > >:) Maybe if I had a printer lying around. :) I can send jkh some patches to dump out stuff, but I was looking more for suggestions on making sense of the crashdump, not just brute-forcing it. :-P > -Alfred -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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