Messages in this thread | | | Date | Mon, 04 Apr 2005 13:24:23 -0700 | From | "Martin J. Bligh" <> | Subject | Re: OOM problems on 2.6.12-rc1 with many fsx tests |
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>> > > I run into OOM problem again on 2.6.12-rc1. I run some(20) fsx tests on >> > > 2.6.12-rc1 kernel(and 2.6.11-mm4) on ext3 filesystem, after about 10 >> > > hours the system hit OOM, and OOM keep killing processes one by one. I >> > > could reproduce this problem very constantly on a 2 way PIII 700MHZ with >> > > 512MB RAM. Also the problem could be reproduced on running the same test >> > > on reiser fs. >> > > >> > > The fsx command is: >> > > >> > > ./fsx -c 10 -n -r 4096 -w 4096 /mnt/test/foo1 & >> > >> > >> > This ext3 bug goes all the way back to 2.6.6. >> >> > I don't know yet why you saw problems with reiser3 and I'm pretty sure I >> > saw problems with ext2. More testing is needed there. >> > >> >> We (Janet and I) are chasing this bug as well. Janet is able to >> reproduce this bug on 2.6.9 but I can't. Glad to know you have nail down >> this issue on ext3. I am pretty sure I saw this on Reiser3 once, I will >> double check it. Will try your patch today. > > There's a second leak, with similar-looking symptoms. At ~50 > commits/second it has leaked ~10MB in 24 hours, so it's very slow - less > than a hundredth the rate of the first one.
What are you using to see these with, just kgdb, and a large cranial capacity? Or is there some more magic?
m.
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