Messages in this thread | | | From | "Huang\, Ying" <> | Subject | Re: [LKP] [lkp] [parallel lookups machinery, part 2] 96352435af: kernel BUG at mm/slab.c:2599! | Date | Mon, 18 Apr 2016 15:12:47 +0800 |
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Al Viro <viro@ZenIV.linux.org.uk> writes:
Hi, Viro,
> On Mon, Apr 18, 2016 at 10:08:37AM +0800, Huang, Ying wrote: > >> Could you provide a debug branch in your tree for that? > > Done - vfs.git#T1 and vfs.git#T2 resp.
The compare result between T1 and T2 is as follow:
========================================================================================= compiler/kconfig/rootfs/sleep/tbox_group/testcase: gcc-5/x86_64-allyesdebian/quantal-core-x86_64.cgz/1/vm-vp-quantal-x86_64/boot
commit: 3ab6378a68555a90a11360e2f2d63c9adb4e7101 (T1) e570d87b645a0bfd80e36df9753faf3598c9fce0 (T2)
3ab6378a68555a90 e570d87b645a0bfd80e36df975 ---------------- -------------------------- fail:runs %reproduction fail:runs | | | 47:47 -100% :3 dmesg.Kernel_panic-not_syncing:Fatal_exception_in_interrupt 47:47 -100% :3 dmesg.RIP:kfree_debugcheck 47:47 -100% :3 dmesg.invalid_opcode:#[##]SMP 47:47 -100% :3 dmesg.kernel_BUG_at_mm/slab.c 7:47 -15% :3 kmsg.APIC_calibration_not_consistent_with_PM-Timer:#ms_instead_of#ms 1:47 -2% :3 kmsg.kfree_debugcheck:out_of_range_ptr#a8h 7:47 -15% :3 kmsg.kfree_debugcheck:out_of_range_ptr#aah 21:47 -45% :3 kmsg.kfree_debugcheck:out_of_range_ptr#ach 1:47 -2% :3 kmsg.kfree_debugcheck:out_of_range_ptr#bah 2:47 -4% :3 kmsg.kfree_debugcheck:out_of_range_ptr#ch 4:47 -9% :3 kmsg.kfree_debugcheck:out_of_range_ptr#eh 11:47 -23% :3 kmsg.kfree_debugcheck:out_of_range_ptr#h
That is, there is same issue for T1, but no such issue for T2.
> How reproducible it is and how certain you are that it's not there on > the parent commit?
The result is quite stable for tens tests for parents and the first bad commit.
Best Regards, Huang, Ying
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