Date: Mon, 16 Mar 2009 21:45:41 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Anonymous <swell.k@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: lang/sbcl consumes all available memory and dies Message-ID: <20090316194541.GO41617@deviant.kiev.zoral.com.ua> In-Reply-To: <864oxtuzct.fsf@gmail.com> References: <864oxtuzct.fsf@gmail.com>
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--BX9SByEXL4cvTynf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 16, 2009 at 08:55:14PM +0300, Anonymous wrote: > I noticed that after commit r189771 (ELF: .note.ABI-tag) sbcl > starts to eat all memory until it dies from bus error never reaching > REPL. The process is unkillable, too. >=20 > $ sbcl > This is SBCL 1.0.25, an implementation of ANSI Common Lisp. > More information about SBCL is available at <http://www.sbcl.org/>. >=20 > SBCL is free software, provided as is, with absolutely no warranty. > It is mostly in the public domain; some portions are provided under > BSD-style licenses. See the CREDITS and COPYING files in the > distribution for more information. > load: 0.06 cmd: sbcl 1926 [running] 0.01u 0.44s 3% 189432k > load: 0.06 cmd: sbcl 1926 [tx->tx_quiesce_done_cv)] 0.01u 0.72s 5% 367= 124k > load: 0.78 cmd: sbcl 1926 [running] 0.01u 2.91s 14% 1763028k > load: 0.72 cmd: sbcl 1926 [tx->tx_quiesce_done_cv)] 0.01u 3.65s 14% 22= 37272k > load: 0.74 cmd: sbcl 1926 [*vm page queue mutex] 0.01u 5.78s 9% 348289= 2k > zsh: bus error (core dumped) sbcl >=20 > This is amd64, r189876M, zfs, 4g mem, 4g swap, sbcl 1.0.17, sbcl-1.0.25, > 1.0.26.3. I can reproduce it under qemu with clean environment as well. >=20 > Can somebody confirm it on i386? Just run `sbcl' and exit from REPL by > either `^D' or `(quit)'. >=20 > The workaround is to reverse-apply diff from r189771. I think the D-state is due to quite large vm address space of the lisp, that takes a long time to dump. For the start, can you confirm that setting sysctl machdep.prot_fault_translation to 2 solves your problem ? --BX9SByEXL4cvTynf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkm+rGUACgkQC3+MBN1Mb4h53ACdFAPgQzDSlhmXK032MJlUZDbG 1rIAn1UCbFkdlSN/0ujDq6QYDycbpjUe =uCI7 -----END PGP SIGNATURE----- --BX9SByEXL4cvTynf--
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