Date: Wed, 18 Mar 2015 12:16:03 +0100 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: freebsd-questions@freebsd.org Subject: Dumping on GELI consumers (was: FreeBSD 10.1 crashing under load) Message-ID: <15982c3e.3980e72b@fabiankeil.de> In-Reply-To: <4e9beab4.5e4e3963@fabiankeil.de> References: <alpine.DEB.2.19.4.1502120004310.7303@trent.utfs.org> <4e9beab4.5e4e3963@fabiankeil.de>
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--Sig_/85_36R+cZ719Jfm_pxqloI8 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Fabian Keil <freebsd-listen@fabiankeil.de> wrote: > Christian Kujau <lists@nerdbynature.de> wrote: > > Right now the system just reboots but leaves nothing in the system log = as=20 > > to _why_ it crashed. I've configured a crash dump device as per [0] but= no=20 > > crash dump is ever taken. I'm running with encrypted swap (via GELI),=20 > > maybe crashdumping doesn't work with encrypted swap? >=20 > IIRC it's not officially supported but you can dump on the device > below the geli layer: >=20 > fk@r500 ~ $swapinfo=20 > Device 1K-blocks Used Avail Capacity > /dev/ada0s1b.eli 2097152 0 2097152 0% > fk@r500 ~ $dumpon -l > ada0s1b >=20 > Saving the dump automatically after boot doesn't work (for me), > but "service savecore start" works after "swapoff -a". For the archives: It works as expected when enabling the swap device with rc.d/swaplate. Currently this requires a small swapon patch: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D198598 Fabian --Sig_/85_36R+cZ719Jfm_pxqloI8 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEUEARECAAYFAlUJXnMACgkQBYqIVf93VJ0wqACVFcdbe51AQug0HEf+tcxEu9tY igCgvC3qawuqr1AHmQ3zjU/pp4YdvAI= =9qey -----END PGP SIGNATURE----- --Sig_/85_36R+cZ719Jfm_pxqloI8--
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