Messages in this thread | | | Date | Mon, 14 Dec 2015 10:26:53 -0500 | From | Johannes Weiner <> | Subject | Re: [lkp] [mm] 3f5d849cb0: page dumped because: VM_BUG_ON_PAGE(!PageLocked(page)) |
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On Mon, Dec 14, 2015 at 02:57:38PM +0800, kernel test robot wrote: > FYI, we noticed the below changes on > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit 3f5d849cb0b7e177c363f0c36732326f184b495b ("mm: memcontrol: switch to the updated jump-label API") > > > +------------------------------------------------+------------+------------+ > | | bf344f1f72 | 3f5d849cb0 | > +------------------------------------------------+------------+------------+ > | boot_successes | 4 | 3 | > | boot_failures | 50 | 53 | > | IP-Config:Auto-configuration_of_network_failed | 50 | 52 | > | BUG:kernel_test_crashed | 0 | 1 | > | kernel_BUG_at_mm/filemap.c | 0 | 1 | > | invalid_opcode:#[##]SMP | 0 | 1 | > | RIP:unlock_page | 0 | 1 | > | Kernel_panic-not_syncing:Fatal_exception | 0 | 1 | > +------------------------------------------------+------------+------------+ > > It is possible that this is a false positive, because the reproduction > is too low 1/48. > > > [ 13.114169] page:ffff8800135f1780 count:18 mapcount:10 mapping:ffff880015b25e71 index:0x7f08a73a0 > [ 13.115380] flags: 0x40068(uptodate|lruudevd[203]: worker [224] did not accept message -1 (Connection refused), kill it > |active|swapbacked) > [ 13.117074] page dumped because: VM_BUG_ON_PAGE(!PageLocked(page))
I'm fairly certain this is this unlocked page issue: http://www.spinics.net/lists/kernel/msg2142719.html
The fix went into Linus's tree only yesterday: dfd01f0 ("sched/wait: Fix the signal handling fix")
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