Subject: Re: brk(2) failed [internal error]: malloc problem or simply not enough memory?
To: None <email@example.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 07/21/2002 22:56:16
On Sun, Jul 21, 2002 at 08:35:10PM +0200, Klaus Heinz wrote:
> compiling Mozilla 1.0 I encountered the following error:
> cc1plus in malloc(): error: brk(2) failed [internal error]
> nsDOMClassInfo.cpp: cc1plus in free(): warning: recursive call.
> cc1plus in malloc(): warning: recursive call.
> The last two lines repeated virtually endlessly (20 MB logfile) while the
> memory consumption of cc1plus grew.
> I repeated this and had top running at the same time. When the error happened
> again, I saw this 'top' output:
> load averages: 1.26, 1.14, 1.09 19:57:34
> 40 processes: 2 runnable, 36 sleeping, 1 stopped, 1 on processor
> CPU states: 21.0% user, 0.0% nice, 78.5% system, 0.5% interrupt, 0.0% idle
> Memory: 56M Act, 22M Inact, 488K Wired, 2000K Exec, 32M File, 4368K Free
> Swap: 101M Total, 16M Used, 85M Free
> PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
> 5008 heinz 63 0 34M 35M RUN 4:40 71.92% 71.92% cc1plus
> Assuming 'top' output is somewhat to be trusted:
> - The error message above (brk(2) failed) indicates a problem inside malloc().
> But at the same time I still see about 4 MB free memory and lots of free
> swap space. Am I too naive to expect the system to start putting pages
> onto the disk when running low on memory?
> - Shouldn't the compiler (even a C++ compiler) die more gracefully?
> Removing the '-O2' flag let the compiler run, although it used about the
> same amount of memory (ca. 33 MB process size (SIZE and RES)). '-O' had
> the same result as '-O2'.
> Too bad that it's necessary to disable optimization on slow architectures.
What are the process limits ? On the sun3, it's too low to compile libc, I
have to unlimit before starting build.sh
Manuel Bouyer <email@example.com>