Date: Fri, 1 Oct 2010 16:30:01 -0700 From: David Wolfskill <david@catwhisker.org> To: current@freebsd.org Subject: Re: Hang near end of kernel probes since r213267 (likely earlier) Message-ID: <20101001233001.GG1535@albert.catwhisker.org> In-Reply-To: <20101001212038.GE1535@albert.catwhisker.org> References: <20101001212038.GE1535@albert.catwhisker.org>
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--5zn77Mes2TPnoMqf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 01, 2010 at 02:20:38PM -0700, David Wolfskill wrote: > I have recently acquired a new laptop (to replace the "Frankenlaptop" > I've been using for the last several years). > ... > While I'm not about to assume that this indicates something wrong > with FreeBSD, I'm a bit less inclined to believe that it might be a > hardware/BIOS issue than I was yesterday. >=20 > Here are some differences between what I saw with my work desktop vs. > the new laptop: >=20 > * Desktop would reliably hang on each alternate boot. No pattern > detected for laptop, but hangs predominate (by a factor of about 4:1). >=20 > * Desktop would hang on alternate boots regardless of which branch of > FreeBSD I was trying to boot. Laptop only hangs on head. >=20 > * BIOS upgrade resolved issue with desktop. So far, it hasn't with the > laptop. >=20 > How might I get sufficient appropriate additional detail that I might be > able to help get this figured out, and possibly even fixed? > ... At a colleague's suggestion, I tried disabling some of the devices in the BIOS. Under System Configuration/Miscellaneous Devices, there are several devices listed; eac is enabled by default. I found the disabling the "Module Bay" appears to avoid the hang -- reliably. That appears to be the minimally-invasive change necessary to avoid the hang. Peace, david --=20 David H. Wolfskill david@catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --5zn77Mes2TPnoMqf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iEYEARECAAYFAkymbvgACgkQmprOCmdXAD12ogCfZWoWTuu/gQmwiF8Yjjqd1GAn xvAAn3RaqsqL63/Hqr805hEUPLHLZNDR =hOXX -----END PGP SIGNATURE----- --5zn77Mes2TPnoMqf--
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