[compiler/gcc4] a9f180345f5: -100.0% last_state.is_incomplete_run

From: Fengguang Wu
Date: Tue Sep 30 2014 - 04:14:42 EST


Hi Steven,

FYI, we noticed that your commit a9f180345f5378ac87d80ed0bea55ba421d83859
("compiler/gcc4: Make quirk for asm_volatile_goto() unconditional") fixed
a number of machine boot failures in our LKP test farm. This is really helpful!
Our gcc version is 4.9.1 (Debian 4.9.1-11).

569d6557ab957d6 a9f180345f5378ac87d80ed0b
--------------- -------------------------
%stddev %change %stddev
\ | /
1 Â 0% -100.0% 0 Â 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd
1 Â 0% -100.0% 0 Â 0% TOTAL dmesg.kernel_BUG_at_fs/nfs/pagelist.c

569d6557ab957d6 a9f180345f5378ac87d80ed0b
--------------- -------------------------
1 Â 0% -100.0% 0 Â 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd
1 Â 0% -100.0% 0 Â 0% TOTAL dmesg.Kernel_panic-not_syncing:Fatal_exception

569d6557ab957d6 a9f180345f5378ac87d80ed0b
--------------- -------------------------
1 Â 0% -100.0% 0 Â 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd
1 Â 0% -100.0% 0 Â 0% TOTAL dmesg.invalid_opcode

569d6557ab957d6 a9f180345f5378ac87d80ed0b
--------------- -------------------------
1 Â 0% -100.0% 0 Â 0% ivb42/will-it-scale/futex4
1 Â 0% -100.0% 0 Â 0% ivb44/fsmark/1x-1t-1HDD-xfs-4M-60G-NoSync
1 Â 0% -100.0% 0 Â 0% ivb44/fsmark/1x-64t-1BRD_48G-btrfs-4M-40G-fsyncBeforeClose
1 Â 0% -100.0% 0 Â 0% lkp-bdw01/blogbench/1SSD-btrfs
1 Â 0% -100.0% 0 Â 0% lkp-hsw01/vm-scalability/300s-anon-rx-rand-mt
1 Â 0% -100.0% 0 Â 0% lkp-sbx04/will-it-scale/futex3
1 Â 0% -100.0% 0 Â 0% lkp-sbx04/will-it-scale/page_fault3
1 Â 0% -100.0% 0 Â 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd
8 Â 0% -100.0% 0 Â 0% TOTAL last_state.is_incomplete_run

569d6557ab957d6 a9f180345f5378ac87d80ed0b
--------------- -------------------------
1 Â 0% -100.0% 0 Â 0% ivb42/will-it-scale/futex4
1 Â 0% -100.0% 0 Â 0% ivb44/fsmark/1x-1t-1HDD-xfs-4M-60G-NoSync
1 Â 0% -100.0% 0 Â 0% ivb44/fsmark/1x-64t-1BRD_48G-btrfs-4M-40G-fsyncBeforeClose
1 Â 0% -100.0% 0 Â 0% lkp-bdw01/blogbench/1SSD-btrfs
1 Â 0% -100.0% 0 Â 0% lkp-hsw01/vm-scalability/300s-anon-rx-rand-mt
1 Â 0% -100.0% 0 Â 0% lkp-sbx04/will-it-scale/futex3
1 Â 0% -100.0% 0 Â 0% lkp-sbx04/will-it-scale/page_fault3
1 Â 0% -100.0% 0 Â 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd
8 Â 0% -100.0% 0 Â 0% TOTAL last_state.booting

Thanks,
Fengguang
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