Messages in this thread | | | Date | Mon, 7 Jan 2019 09:52:30 +0000 | From | Catalin Marinas <> | Subject | Re: kmemleak: Cannot allocate a kmemleak_object structure - Kernel 4.19.13 |
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Hi Nathan,
On Tue, Jan 01, 2019 at 01:17:06PM -0600, Nathan Royce wrote: > I had a leak somewhere and I was directed to look into SUnreclaim > which was 5.5 GB after an uptime of a little over 1 month on an 8 GB > system. kmalloc-2048 was a problem. > I just had enough and needed to find out the cause for my lagging system. > > I finally upgraded from 4.18.16 to 4.19.13 and enabled kmemleak to > hunt for the culprit. I don't think a day had elapsed before kmemleak > crashed and disabled itself.
Under memory pressure, kmemleak may fail to allocate memory. See this patch for an attempt to slightly improve things but it's not a proper solution:
http://lkml.kernel.org/r/20190102180619.12392-1-cai@lca.pw
-- Catalin
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