Stability and Memory Pressure in 8.2

Tomeu Vizoso tomeu at tomeuvizoso.net
Tue Oct 7 09:12:28 EDT 2008


On Wed, Oct 1, 2008 at 12:50 PM, S Page <info at skierpage.com> wrote:
> Tomeu Vizoso wrote:
>
>> Read has serious memory problems because renders whole pages
>> into memory, regardless of what is the viewed area. Any chance the
>> first pages of the PDF you opened contained big images?
>
> Nope, it's a saved Project Gutenberg PDF
> Coradella_Collegiate_Bookshelf_Collection_austen-persuasion.pdf, looks like
> it has one small image.
> Of course when I reproduce everything works fine.
>
> Is there *anything* testers can run before or after their XO goes funny?  My
> fantasy would be a section in http://wiki.laptop.org/go/Friends_in_testing :
>
>  "Run log_mem.py from a console as you start Sugar.  This snapshots memory
> every 10 seconds to a rotating set of files in tmpfs until it detects that
> the machine has serious memory problems, then it runs a detailed
> /sys/procmem dump.  It also runs strace on the OOMKiller thread.  If your XO
> locks up, zip this directory and attach it to bug 4321."
>
> Without something like that, it'll be hard to get anything more from testers
> than anecdotes.

Agreed and I think that the steps you outlined before could work great
here. Can you take over this task? Or someone else that feels more
capable?

Thanks,

Tomeu


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