Bug#641541: xulrunner-6.0: eats too much (well beyond available) memory

[Mike Hommey]

On Wed, Sep 14, 2011 at 11:37:57AM +0200, Luca Capello wrote:
> Package: xulrunner-6.0
> Version: 6.0-4
> Severity: important
> Affects: conkeror
> 
> Hi there!
> 
> I do not think there is anything more to add here, IIRC Axel Beckert
> (conkeror's maintainer) told me it is a known problem, nevertheless
> reporting it (full log attached):
> =====
> [43835.905298] xulrunner-bin invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
> [43835.905304] xulrunner-bin cpuset=/ mems_allowed=0
> [43835.905308] Pid: 3426, comm: xulrunner-bin Not tainted 3.0.0-1-amd64 #1
> [...]
> [43835.914256] Out of memory: Kill process 3383 (xulrunner-bin) score 757 or sacrifice child
> [43835.914306] Killed process 3383 (xulrunner-bin) total-vm:3489368kB, anon-rss:1422660kB, file-rss:0kB
> =====
> 
> Some notes:
> 
> 1) looking at my syslog (attached) I found out that this happened
>    already on September 3rd.
> 
> 2) this causes hibernation to not succeed with a nasty error, "PM: Not
>    enough free swap", which is unbelievable given that I have 2GB RAM
>    and 2GB swap.
> 
> 3) I do not think that about 100 tabs (buffers in conkeror) is so much,
>    especially considering how many Mike has ;-)
> 
>      <http://glandium.org/blog/?p=2180>

Note that I was using about 1.4GB memory when I had around 300 or 400
tabs and wasn't lazy loading them. I wouldn't be surprised that some
tabs on some sites would make that go up significantly.

Mike