From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1SITTr-0003GP-RU for garchives@archives.gentoo.org; Thu, 12 Apr 2012 23:31:18 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 4FD44E0D25; Thu, 12 Apr 2012 23:30:57 +0000 (UTC) Received: from edge2.cs.stonybrook.edu (edge2.cs.stonybrook.edu [130.245.9.211]) by pigeon.gentoo.org (Postfix) with ESMTP id 21DC8E0D03 for ; Thu, 12 Apr 2012 23:30:23 +0000 (UTC) Received: from HUBCAS1.cs.stonybrook.edu (130.245.9.206) by edge2.cs.stonybrook.edu (130.245.9.211) with Microsoft SMTP Server (TLS) id 14.1.355.2; Thu, 12 Apr 2012 19:30:18 -0400 Received: from [192.168.1.2] (72.89.250.133) by hubcas1.cs.stonybrook.edu (130.245.9.212) with Microsoft SMTP Server (TLS) id 14.1.323.3; Thu, 12 Apr 2012 19:30:22 -0400 Message-ID: <4F876580.3030607@cs.stonybrook.edu> Date: Thu, 12 Apr 2012 19:30:08 -0400 From: Richard Yao User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.3) Gecko/20120406 Thunderbird/10.0.3 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org MIME-Version: 1.0 To: Subject: [gentoo-dev] Debugging a Linux kernel deadlock when doing swap on ZFS X-Enigmail-Version: 1.3.5 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig82977FDCB47F3DAF396AAE24" X-Originating-IP: [72.89.250.133] X-Archives-Salt: eecd6d44-b51c-400a-856d-0cb83b8f6eda X-Archives-Hash: 41e8ea508126b955278694620406041f --------------enig82977FDCB47F3DAF396AAE24 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable I am running Gentoo on ZFS using the kernel modules from sys-kernel/spl and sys-fs/zfs. If I put swap on ZFS, the kernel appears to deadlock when it tries to use it. I am having trouble getting a backtrace. Does anyone have any suggestions on how I could debug this? --------------enig82977FDCB47F3DAF396AAE24 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJPh2WHAAoJELFAT5FmjZuExFIP+wawhFMaLmuLqqqk8fyahawk EYFmc9jHScj4yQC9YaBkJdsA1BRWuga2WuHdTSYJ74BOnYQ/bApSj/KnfcRzT0hk uE9hm1J9jPuI7I3Sxa1cpGEJTjY4lwD0XuulxBECTKURZry1/h9ll6N+t91jNz24 uWBbViG2nZLUcGWIlzLu6KeeoDCbWUXCoqK72g6LPe/nU2OCm0/I9rrZ4d1GsQLE Z8mKL9fW/2q3pl0FvWPHJcRLiLpYDfsl7QdlaAE91+NzPzGIa1r0HtgOcjTd6v7l gUwI9WO6NpT4pTa2XVnXaF32ZT/WMgFuVMahPZvFHeK02g30SLZmX5UWbjw1Imqm e6Dzm+a7D17ojK39l+/+Sq1Y/l2Wl4c+SvPphvb9nyWy9HLsUnXIWILuWR1lKvv3 tAxgYbc+tfPcFpU6YEBZY0tLKgJpFRrducMLG3WMhG4xn8pa0LWTDtkRTLieV9QX P+G91UDU359Ier9OWJiZRnp0RcH5o8vTRdHZOZRi/zYhOr1qIrfW9uWzk+qL5DJQ udL2+B1TMgD7yH2ixlTZHRT6EBCj7ZrewXYjwloKbJTFPYTfIhGF7XN2Py/zO5jv kgzD10PhaOrUzf1iylGNbUihj7eCFBCz5Tbhmk6fPGvGdirSAUPk0x7kacf90LQ1 QKwZ9WEY5UADdSBk/GSr =Z/BF -----END PGP SIGNATURE----- --------------enig82977FDCB47F3DAF396AAE24--