Date: Sat, 8 Feb 1997 10:07:00 -0700 (MST) From: Nate Williams <nate@mt.sri.com> To: hm@hcs.de Cc: mobile@freebsd.org Subject: Re: 2.1.6.1 + PAO: occasional panic at boot Message-ID: <199702081707.KAA01371@rocky.mt.sri.com> In-Reply-To: <m0vtFzW-0000EWC@hcswork.hcs.de> References: <no.id> <m0vtFzW-0000EWC@hcswork.hcs.de>
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> > The only problem i'm experiencing so far is that i get panics from time > > to time at boot time, after the message for the apm0 driver: "cannot mount > > root". > > I've isolated the problem, it is in wd.c at the label reset_ok: (~ line 524) > and this fragment of the code fails when the panic occurs: .. > Just before this piece of code a wdreset() is issued, and i suspect the > drive is not ready after the reset for another command. I've added a > delay in front of the code and will observe this further, bu i am in no > way an IDE specialist, so does anyone else have an idea ? The WD driver really is a festering sore in FreeBSD, especially with regards to laptops who lose interrupts, spin-down, and otherwise aren't well behaved in the face of a pretty 'fragile' driver. I suspect your delay is as correct a fix as any. Nate
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