Date: Tue, 20 Mar 2007 12:57:34 -0700 (PDT) From: youshi10@u.washington.edu To: freebsd-questions@freebsd.org Subject: Re: FreeBSD boot loader halts Message-ID: <Pine.LNX.4.43.0703201257340.28797@hymn09.u.washington.edu> In-Reply-To: <8efc42630703201010k30641211ud829e8400a9b5bb7@mail.gmail.com>
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On Tue, 20 Mar 2007, Simon Chang wrote: >> My FBSD 6.2 freezes at random after printing Default: F1 I haven't >> noticed this issue in the past with older versions of FreeBSD. >> Since this is a random issue, it's very hard to pin point the culprit >> by process of elimination (disabling APCI, etc...) After several >> ctrl+alt+delete reboots, the system does boot. Once booted I can >> run makeworld for a week without any issues. Perhaps a disk issue? >> I'm booting off a MegaRAID controller. Though I cannot crash >> the system using intensive IO after it boots. After it boots, it seems >> to be rock solid, so I'm lost here. >> >> Can boot loader be put into verbose mode and have it output >> debugging info? > > I don't know if there is a "debug" mode for the boot loader, but if > the problem is happening at random then I would want to investigate > hardware failures/malfunctions. At any rate, no fully operational > machine should need "several ctrl+alt+delete reboots" for it to start > working. > > Perhaps the problem happens when the BIOS is attempting to probe drive > controllers? Have you tried to stress-test the system by doing a > "make buildworld"? > > SC This particular issue happened to me with the FreeBSD bootloader and grub on an ancient Pentium Pro machine I was using recently. I was able to correct the problem by using GAG (gag.sf.net) instead of the other bootloaders. -Garrett
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