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Date: Thu, 31 Aug 2017 06:52:15 +0800
From: kernel test robot <fengguang.wu@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: LKP <lkp@...org>, linux-kernel@...r.kernel.org, wfg@...ux.intel.com
Subject: d5923ebd7c ("Merge branch 'WIP.x86/fpu'"): BUG: kernel hang in
early-boot stage, last printk: Booting the kernel.
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
commit d5923ebd7cd211e5925383296723b0fab857afe4
Merge: 11b1743a0d92d 6061efb6ee6fc
Author: Ingo Molnar <mingo@...nel.org>
AuthorDate: Tue Aug 29 16:19:54 2017 +0200
Commit: Ingo Molnar <mingo@...nel.org>
CommitDate: Tue Aug 29 16:19:54 2017 +0200
Merge branch 'WIP.x86/fpu'
Conflicts:
drivers/lguest/x86/core.c
11b1743a0d Merge branch 'x86/urgent'
6061efb6ee x86/fpu: Turn WARN_ON() in context switch into WARN_ON_FPU()
d5923ebd7c Merge branch 'WIP.x86/fpu'
152d54a2bc Merge branch 'x86/asm'
+--------------------------------------------------------------------+------------+------------+------------+------------+
| | 11b1743a0d | 6061efb6ee | d5923ebd7c | 152d54a2bc |
+--------------------------------------------------------------------+------------+------------+------------+------------+
| boot_successes | 32 | 27 | 0 | 0 |
| boot_failures | 11 | 6 | 15 | 6 |
| BUG:kernel_reboot-without-warning_in_boot_stage | 11 | 1 | | |
| BUG:kernel_in_stage | 0 | 4 | | |
| BUG:kernel_reboot-without-warning_in_test_stage | 0 | 1 | | |
| BUG:kernel_hang_in_early-boot_stage,last_printk:Booting_the_kernel | 0 | 0 | 15 | 6 |
+--------------------------------------------------------------------+------------+------------+------------+------------+
Decompressing Linux... Parsing ELF... done.
Booting the kernel.
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start 7fa01c90f24ce7850460f4bef4905dacc66d07d0 cc4a41fe5541a73019a864883297bd5043aa6d98 --
git bisect bad 0c05f7489b656f738c2a8a26685223d166ebea6b # 01:33 B 0 11 24 0 Merge 'asoc/topic/rockchip' into devel-catchup-201708310002
git bisect bad a098a7e85504b2634974500375d04266cd0b2f94 # 01:56 B 0 11 24 0 Merge 'dledford/k.o/for-next' into devel-catchup-201708310002
git bisect bad 4fd60aafa624e670b48dbb98dde25d78368b4c17 # 02:14 B 0 11 24 0 Merge 'tip/master' into devel-catchup-201708310002
git bisect good 3b62a63dba4c234497d87fbbee2e29da133505a9 # 02:28 G 10 0 10 10 0day base guard for 'devel-catchup-201708310002'
git bisect good 1b2f76d77a277bb70d38ad0991ed7f16bbc115a9 # 02:53 G 11 0 2 2 Merge tag 'perf-core-for-mingo-4.14-20170829' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
git bisect good 8ea7c2d9a971f95ec9f6ffac60cb4847d35f0b36 # 03:10 G 11 0 11 11 manual merge of locking/core
git bisect good 9eb6b9d19b85c30162779d33725da23dc317845d # 03:27 G 11 0 3 3 Merge branch 'x86/asm'
git bisect good 64e82b58b54d38753763c329c43d0828e1231397 # 03:46 G 11 0 2 2 Merge branch 'x86/mm'
git bisect good 6061efb6ee6fc891498a23994a4d0a5e2a52c059 # 04:05 G 11 0 1 1 x86/fpu: Turn WARN_ON() in context switch into WARN_ON_FPU()
git bisect good 9e1240d649e55e314aa3df28d552a1f19932963b # 04:22 G 11 0 2 6 Merge branch 'x86/syscall'
git bisect good 36fde05f3fb51edea879636db590d70e11f16c82 # 04:43 G 11 0 11 11 Merge branch 'for-4.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
git bisect bad d5923ebd7cd211e5925383296723b0fab857afe4 # 05:02 B 0 5 18 0 Merge branch 'WIP.x86/fpu'
git bisect good 5746f0555d00e1cbb7bc20a2fd09041ace6f350c # 05:23 G 11 0 11 11 x86/boot: Provide more slack space during decompression
git bisect good 11b1743a0d92d501e762d1cbd8de3af91d22a064 # 05:47 G 11 0 9 11 Merge branch 'x86/urgent'
# first bad commit: [d5923ebd7cd211e5925383296723b0fab857afe4] Merge branch 'WIP.x86/fpu'
git bisect good 11b1743a0d92d501e762d1cbd8de3af91d22a064 # 05:57 G 32 0 0 11 Merge branch 'x86/urgent'
git bisect good 6061efb6ee6fc891498a23994a4d0a5e2a52c059 # 06:27 G 32 0 5 6 x86/fpu: Turn WARN_ON() in context switch into WARN_ON_FPU()
# extra tests with CONFIG_DEBUG_INFO_REDUCED
git bisect bad d5923ebd7cd211e5925383296723b0fab857afe4 # 06:43 B 0 8 22 0 Merge branch 'WIP.x86/fpu'
# extra tests on HEAD of linux-devel/devel-catchup-201708310002
git bisect bad 7fa01c90f24ce7850460f4bef4905dacc66d07d0 # 06:43 B 0 44 60 0 0day head guard for 'devel-catchup-201708310002'
# extra tests on tree/branch tip/master
git bisect bad 152d54a2bcf0fe120d7de9dc3491dc679687cbb4 # 06:45 B 0 6 19 0 Merge branch 'x86/asm'
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/lkp Intel Corporation
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