[plt-scheme] Kernel Panic

It looks like the OS is running out of memory. Is it simply too many
connections (and so too many mzscheme instances) for the machine to
handle?

At Thu, 7 May 2009 23:04:51 -0400, Arend van der Veen wrote:
> Hi All,
> 
> I have been running PLT Scheme 4.1.2 on Ubuntu 8.1 and have been
> having a few kernel panics.  Following is the trace:
> 
> May  7 12:26:11 wbatweb03 kernel: [848774.126339] mzschemecgc invoked
> oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=-17
> May  7 12:27:28 wbatweb03 kernel: [848774.126345] Pid: 5171, comm:
> mzschemecgc Not tainted 2.6.24-23-server #1
> May  7 12:27:28 wbatweb03 kernel: [848774.126347]
> May  7 12:27:28 wbatweb03 kernel: [848774.126347] Call Trace:
> May  7 12:27:28 wbatweb03 kernel: [848774.126369]
> [oom_kill_process+0xf6/0x110] oom_kill_process+0xf6/0x110
> May  7 12:27:28 wbatweb03 kernel: [848774.126373]
> [out_of_memory+0x15e/0x270] out_of_memory+0x15e/0x270
> May  7 12:27:28 wbatweb03 kernel: [848774.126377]
> [__alloc_pages+0x399/0x3d0] __alloc_pages+0x399/0x3d0
> May  7 12:27:28 wbatweb03 kernel: [848774.126382]
> [__do_page_cache_readahead+0xe0/0x210]
> __do_page_cache_readahead+0xe0/0x210
> May  7 12:27:28 wbatweb03 kernel: [848774.126388]
> [nfs:filemap_fault+0x28e/0x570] filemap_fault+0x28e/0x390
> May  7 12:27:28 wbatweb03 kernel: [848774.126392]
> [__do_fault+0x6c/0x440] __do_fault+0x6c/0x440
> May  7 12:27:28 wbatweb03 kernel: [848774.126397]
> [handle_mm_fault+0x1c1/0x800] handle_mm_fault+0x1c1/0x800
> 
> PLT Scheme is being executed on a web server using CGI with a large
> number of simultaneous connections.  Thank in advance for any help.
> 
> Arend