Bug 50565 - (VM)32 MB system can't handle a compilation
Summary: (VM)32 MB system can't handle a compilation
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: kernel
Version: 7.3
Hardware: i386
OS: Linux
high
high
Target Milestone: ---
Assignee: Arjan van de Ven
QA Contact: Brock Organ
URL:
Whiteboard:
Keywords:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2001-08-01 10:07 UTC by Jos Vos
Modified: 2008-08-01 16:22 UTC (History)
1 user (show)

(edit)
Clone Of:
(edit)
Last Closed: 2004-09-30 15:39:06 UTC


Attachments (Terms of Use)
Top output of 3 stages before the system stops reacting (4.81 KB, text/plain)
2001-08-03 13:48 UTC, Jos Vos
no flags Details

Description Jos Vos 2001-08-01 10:07:55 UTC
When compiling some not-too-big source code on a 32 MB beta3 system (no X
running), the system starts trashing very quickly and doesn't come back
within a reasonable time (at least one hour), so only the reset button
helps.  This is fully reproducable.

The same test on the same HW config with RH 7.1 works fine.

Comment 1 Glen Foster 2001-08-01 20:22:58 UTC
This defect is considered SHOULD-FIX for Fairfax.

Comment 2 Jos Vos 2001-08-03 13:47:33 UTC
The problem still appears with kernel-2.4.7-0.3.  I'll attach a file with 3
"top" snapshots just before the system stops reacting at all.

Comment 3 Jos Vos 2001-08-03 13:48:37 UTC
Created attachment 26031 [details]
Top output of 3 stages before the system stops reacting

Comment 4 Aleksey Nogin 2001-08-08 09:40:12 UTC
Is this the same bug as the one that causes very high inode_cache count in
/proc/slabinfo?

Comment 5 Arjan van de Ven 2001-08-08 09:44:29 UTC
maybe. I wonder if 2.4.7-0.5 or later behave better with 32Mb

Comment 6 Jos Vos 2001-08-08 09:48:24 UTC
Would like to try, if 0.5 is available somewhere...

Comment 7 Aleksey Nogin 2001-08-08 10:27:35 UTC
ftp://ftp.beta.redhat.com/pub/rawhide/i386/RedHat/RPMS/ has -0.9.1 right now.
BTW, as I mentioned in testers-list, I still see a very similar problem (and see
very high inode_cache count at the same time) with 2.4.7-0.8 on 128Mb of RAM.

Comment 8 Jos Vos 2001-08-08 13:46:26 UTC
Tested with kernel 2.4.7-0.9.1: same problem :-(.  And the inode_cache in
/proc/slabinfo stays in the last 10 minutes of the system's life around these
values:

inode_cache          341    711    424   79   79    1 :  15113   38560 2064   
3    0

Comment 9 Aleksey Nogin 2001-08-16 21:13:41 UTC
I was still having these problems with 2.4.7-0.9.1, but with 2.4.7-0.13.1 things
seem to be finally working normally.

Comment 10 Arjan van de Ven 2001-08-17 07:43:43 UTC
Thanks for testing/confirming this. We'll continue to try to improve the VM, but
without breaking the stability (I hope :)


Comment 11 Jos Vos 2001-08-17 14:52:25 UTC
Kernel 2.4.7-2 (current rawhide) does *not* seem to resolve our problems :-(.

Comment 12 Bugzilla owner 2004-09-30 15:39:06 UTC
Thanks for the bug report. However, Red Hat no longer maintains this version of
the product. Please upgrade to the latest version and open a new bug if the problem
persists.

The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases, 
and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/



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