On Wed, 5 Feb 2014, Fengguang Wu wrote: > Greetings, > > I got the below dmesg and the first bad commit is in upstream > > commit c65c1877bd6826ce0d9713d76e30a7bed8e49f38 > Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > AuthorDate: Fri Jan 10 13:23:49 2014 +0100 > Commit: Pekka Enberg <penberg@xxxxxxxxxx> > CommitDate: Mon Jan 13 21:34:39 2014 +0200 > > slub: use lockdep_assert_held > > Instead of using comments in an attempt at getting the locking right, > use proper assertions that actively warn you if you got it wrong. > > Also add extra braces in a few sites to comply with coding-style. > > Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx> > > =================================================== > PARENT COMMIT NOT CLEAN. LOOK OUT FOR WRONG BISECT! > =================================================== > > +---------------------------------------------------------+--------------+--------------+ > | | 8afb1474db47 | 1738cc0ecc54 | > +---------------------------------------------------------+--------------+--------------+ > | boot_successes | 166 | 6 | > | boot_failures | 10 | 13 | > | BUG:kernel_test_crashed | 9 | 1 | > | WARNING:CPU:PID:at_arch/x86/kernel/cpu/amd.c:init_amd() | 1 | | > | WARNING:CPU:PID:at_mm/slub.c:deactivate_slab() | 0 | 12 | > +---------------------------------------------------------+--------------+--------------+ > > [1868680.126265] netconsole: network logging started > [1868680.135018] Unregister pv shared memory for cpu 0 > [1868680.523086] ------------[ cut here ]------------ > [1868680.526909] WARNING: CPU: 1 PID: 1 at mm/slub.c:992 deactivate_slab+0x4ce/0xa70() > [1868680.537875] Modules linked in: > [1868680.541340] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.13.0-02621-g1738cc0 #8 > [1868680.555880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [1868680.565937] ffffffff ce04dd64 c1a6323f 00000000 00000000 000003e0 ce04dd94 c106fbe1 > [1868680.572881] c1efb154 00000001 00000001 c1f09c28 000003e0 c11c2d0e c11c2d0e 00000001 > [1868680.582142] ce5db280 ce000640 ce04dda4 c106fc7d 00000009 00000000 ce04de0c c11c2d0e > [1868680.589099] Call Trace: > [1868680.591109] [<c1a6323f>] dump_stack+0x7a/0xdb > [1868680.593887] [<c106fbe1>] warn_slowpath_common+0x91/0xb0 > [1868680.597430] [<c11c2d0e>] ? deactivate_slab+0x4ce/0xa70 > [1868680.600510] [<c11c2d0e>] ? deactivate_slab+0x4ce/0xa70 > [1868680.603588] [<c106fc7d>] warn_slowpath_null+0x1d/0x20 > [1868680.606728] [<c11c2d0e>] deactivate_slab+0x4ce/0xa70 Hi Fengguang, I think this is the inlined add_full() and should be fixed with http://marc.info/?l=linux-kernel&m=139147105027693 that has been added to the -mm tree and should now be in next. Is this patch included for this kernel? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>