Messages in this thread | | | Date | Tue, 31 Jul 2007 15:02:45 -0700 | From | Randy Dunlap <> | Subject | Re: 2.6.22-rc1-mm1 huge pages VM freeze (maybe?) |
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On Tue, 31 Jul 2007 15:44:21 -0600 Zan Lynx wrote:
> I was playing with huge pages and libhugetlbfs. Small programs like > "ls" work fine. I tried running Evolution through libhugetlbfs and the > system slowly stops running. One interesting thing is the "ps" command, > it gets stuck like this:
Do you mean 2.6.22-rc1-mm1 or 2.6.23-rc1-mm1?
There was a hugepage problem fixed very recently, in 2.6.23-rc1 IIRC.
> ps D ffff81001e57ed40 0 103558 103483 > ffff81001f061dc8 0000000000000096 ffff81003d8586e8 ffff81001cbadc00 > 0000000000000006 ffffffff80537009 0000000000000030 ffffffff807ff700 > ffffffff807ff700 ffffffff807ff700 ffffffff807ff700 ffffffff807ff700 > Call Trace: > [<ffffffff80537009>] _spin_unlock+0x29/0x50 > [<ffffffff80536425>] __down_read+0x75/0xaf > [<ffffffff80295f49>] access_process_vm+0x49/0x190 > [<ffffffff802f3003>] proc_pid_cmdline+0xa3/0x130 > [<ffffffff802f4cea>] proc_info_read+0xba/0x100 > [<ffffffff802b0085>] vfs_read+0xc5/0x180 > [<ffffffff802b0583>] sys_read+0x53/0x90 > [<ffffffff8020c1de>] system_call+0x7e/0x83 > > and nothing will touch it after that. > > Here's my kernel command line: > root=/dev/sda2 rootfstype=reiser4 rootflags=no_write_barrier ro > i8042.nomux elevator=cfq resume=/dev/sda3 panic=5 nmi_watchdog=2,panic > debug hugepages=32 > > Here's the "huge" script I was using to run programs: > #!/bin/sh > export LD_PRELOAD=libhugetlbfs.so > export HUGETLB_MORECORE=yes > export HUGETLB_PATH=/mnt/huge > export HUGETLB_VERBOSE=1 > exec "$@" > > I don't have any more info than that at the moment but I could reproduce > it with whatever, on request.
--- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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