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Groups > linux.debian.kernel > #65709
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#945213: linux-image-5.2.0-3-amd64: OOM handling broken if hugepages are enabled |
| Date | 2019-11-22 20:40 +0100 |
| Message-ID | <z5mWB-5kx-5@gated-at.bofh.it> (permalink) |
| References | <z4QWJ-2y2-1@gated-at.bofh.it> <z4QWJ-2y2-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
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Control: reassign -1 src:linux 5.2.17-1 Control: tag -1 moreinfo On Thu, 2019-11-21 at 08:58 +0000, Anton Ivanov wrote: > Package: linux-image-5.2.0-3-amd64 > Version: 5.2.17+1 > Severity: important > > Dear Maintainer, > > Dear Maintainer, > > OOM handling appears to be broken in 5.2.17-1 if hugepages are enabled. > > Test system: AMD A4-5300, 40G RAM, no swap, booted disklessly. > > Without hugepages enabled can compile dpdk without any issues. With huge > pages enabled it will reproducibly OOM when trying to link one of the > libraries. There are 20G+ free RAM at that point according to free with the > rest being mostly used as buffers. > > It is sufficient to just enable huge pages to trigger this (2G out of 40G), > they are not allocated or used by anything. What do you mean by "if hugepages are enabled"? hugetlbfs and THP are enabled by default. You need to provide a log of the OOM messages. Ben. -- Ben Hutchings I say we take off; nuke the site from orbit. It's the only way to be sure.
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Bug#945213: linux-image-5.2.0-3-amd64: OOM handling broken if hugepages are enabled Anton Ivanov <anton.ivanov@kot-begemot.co.uk> - 2019-11-21 10:30 +0100
Bug#945213: linux-image-5.2.0-3-amd64: OOM handling broken if hugepages are enabled Ben Hutchings <ben@decadent.org.uk> - 2019-11-22 20:40 +0100
Bug#945213: linux-image-5.2.0-3-amd64: OOM handling broken if hugepages are enabled Anton Ivanov <anton.ivanov@kot-begemot.co.uk> - 2019-11-23 00:00 +0100
Processed: Re: Bug#945213: linux-image-5.2.0-3-amd64: OOM handling broken if hugepages are enabled "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-11-22 20:40 +0100
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