Date: Thu, 23 Oct 2008 16:08:09 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Jeremy Chadwick <koitsu@freebsd.org>, Milan Obuch <freebsd-stable@dino.sk> Subject: Re: 6.4 RC1 locks up solid on first reboot Message-ID: <200810231608.10110.jhb@freebsd.org> In-Reply-To: <20081023062449.GA78633@icarus.home.lan> References: <A5A9A4D4-CD16-45FA-A2AC-62C4B5AE976D@netconsonance.com> <200810230627.46478.freebsd-stable@dino.sk> <20081023062449.GA78633@icarus.home.lan>
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On Thursday 23 October 2008 02:24:49 am Jeremy Chadwick wrote: > On Thu, Oct 23, 2008 at 06:27:45AM +0200, Milan Obuch wrote: > > On Thursday 23 October 2008 01:32:27 Jo Rhett wrote: > > > I haven't had time to investigate, but after installing 6.4RC1 on a > > > machine I've been using with 6.3 for a few months, it installs > > > painlessly but on the first and subsequent reboots you see > > > > > > BTX Loader 1.00 blah blah blah > > > ... > > > Loading /boot/defaults/loader.con > > > \ > > > > > > At this point you have a hard refreeze -- no keyboard control, however > > > I can reboot it from the Phantom card. > > > > > > System: Rackable C2004, dual Intel 2.66 processors, 4gb RAM, disk > > > drive on built in SCSI port > > > > > > Absolutely nothing special, boots and runs 6.2 and 6.3 without a flaw. > > > > > > I'll have more time to investigate on Friday. Anything specific that > > > would be more or less useful to debug in particular? > > > > I did not investigate on this issue too much, but there is an workaround - > > copy older /boot/loader over newer one. In my case, I am rebuilding whole > > world often, and now /boot/loader seems to not build correctly for me. Older > > one is ~ 250 kB, rebuilt will be ~ 185 kB, and freezes. > > > > In your case, you would write old /boot/loader from 6.3 over new installed > > with 6.4RC1 and it will boot normally again. > > > > I know it is only workaround, but it's quick and easy, and I have not too much > > time to investigate any further (not to mention I have no idea what to look > > for and where). > > Has anyone filed a PR on this problem, or contacted John Baldwin? Yes, but debugging these hangs is very non-trivial. It likely involves disassembling the BIOS and trying to see where it can get stuck in a loop. -- John Baldwin
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