lang/sbcl consumes all available memory and dies

[Kostik Belousov]

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.
> 
>   $ sbcl
>   This is SBCL 1.0.25, an implementation of ANSI Common Lisp.
>   More information about SBCL is available at <http://www.sbcl.org/>.
> 
>   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% 367124k
>   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% 2237272k
>   load: 0.74  cmd: sbcl 1926 [*vm page queue mutex] 0.01u 5.78s 9% 3482892k
>   zsh: bus error (core dumped)  sbcl
> 
> 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.
> 
> Can somebody confirm it on i386? Just run `sbcl' and exit from REPL by
> either `^D' or `(quit)'.
> 
> 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 ?
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