Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://github.com/0day-ci/linux
Geert-Uytterhoeven/Add-HD44780-Character-LCD-support/20170206-225742
commit cdcb352cdba7559c3e450f6dc0b365a1fc27faef
Author: Geert Uytterhoeven <geert(a)linux-m68k.org>
AuthorDate: Mon Feb 6 15:38:11 2017 +0100
Commit: 0day robot <fengguang.wu(a)intel.com>
CommitDate: Mon Feb 6 22:57:49 2017 +0800
auxdisplay: charlcd: Extract character LCD core from misc/panel
Extract the character LCD core from the Parallel port LCD/Keypad Panel
driver in the misc subsystem, and convert it into a subdriver in the
auxdisplay subsystem. This allows the character LCD core to be used by
other drivers later.
Compilation is controlled by its own Kconfig symbol CHARLCD, which is to
be selected by its users, but can be enabled manually for
compile-testing.
All functions changed their prefix from "lcd_" to "charlcd_", and
gained
a "struct charlcd *" parameter to operate on a specific instance.
While the driver API thus is ready to support multiple instances, the
current limitation of a single display (/dev/lcd has a single misc minor
assigned) is retained.
No functional changes intended.
Signed-off-by: Geert Uytterhoeven <geert(a)linux-m68k.org>
+-------------------------------------------------+------------+------------+------------+
| | e1792a60e1 | cdcb352cdb | 6916040948
|
+-------------------------------------------------+------------+------------+------------+
| boot_successes | 64 | 0 | 0
|
| boot_failures | 2 | 22 | 13
|
| BUG:kernel_reboot-without-warning_in_test_stage | 2 | |
|
| INFO:trying_to_register_non-static_key | 0 | 22 | 13
|
+-------------------------------------------------+------------+------------+------------+
[ 6.923024] parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
[ 6.929389] ibmasm: IBM ASM Service Processor Driver version 1.0 loaded
[ 6.929389] ibmasm: IBM ASM Service Processor Driver version 1.0 loaded
[ 7.036785] INFO: trying to register non-static key.
[ 7.036785] INFO: trying to register non-static key.
[ 7.038916] the code is fine but needs lockdep annotation.
[ 7.038916] the code is fine but needs lockdep annotation.
[ 7.041191] turning off the locking correctness validator.
[ 7.041191] turning off the locking correctness validator.
[ 7.043647] CPU: 0 PID: 1 Comm: swapper Not tainted 4.10.0-rc7-00133-gcdcb352 #2
[ 7.043647] CPU: 0 PID: 1 Comm: swapper Not tainted 4.10.0-rc7-00133-gcdcb352 #2
[ 7.046960] Call Trace:
[ 7.046960] Call Trace:
[ 7.048089] dump_stack+0x19/0x1b
[ 7.048089] dump_stack+0x19/0x1b
[ 7.049694] register_lock_class+0x12f/0x2fa
git bisect start 691604094882dd7cacfc5a6cb99918a50e1f7e70
d5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c --
git bisect good 2ada4336df0cc3db96edac0722eb68fdb4009537 # 03:48 22+ 0 Merge
'namhyung-perf/perf/diff-delta-abs-v1' into devel-catchup-201702070104
git bisect good 1e46e4a05a72278d0738a04061e969960ae75bc5 # 04:29 22+ 0 Merge
'linux-review/Richard-Leitner/usb-misc-add-USB251xB-xBi-Hi-Speed-Hub-Controller-Driver/20170206-220950'
into devel-catchup-201702070104
git bisect bad b96fd90dbd7d72104a79cb2b87a180216271c69d # 05:00 0- 7 Merge
'iommu/arm/core' into devel-catchup-201702070104
git bisect bad 6d02899f91bb4e332459c4eda3793785c40976e2 # 05:13 0- 6 Merge
'hverkuil-media/sama5d3' into devel-catchup-201702070104
git bisect good 4b4a3027af35eb69bce1727eaabaf3da54f080da # 05:30 22+ 0 Merge
'linux-review/Cheah-Kok-Cheong/scripts-checkincludes-add-exit-message-for-no-duplicates-found/20170206-224241'
into devel-catchup-201702070104
git bisect good c06282ba22c87dd00f6305ded3f4381d4c5aab56 # 05:53 20+ 0 Merge
'perf/perf/core' into devel-catchup-201702070104
git bisect bad cf3aa68bf1c5c6d134e09f7d21003c84df63fe7d # 06:08 0- 2 Merge
'linux-review/Geert-Uytterhoeven/Add-HD44780-Character-LCD-support/20170206-225742'
into devel-catchup-201702070104
git bisect good bd58941b08cb6657205b980c5da7682f8ad1ef41 # 06:38 20+ 0 misc:
panel: Add lcd_home() helper
git bisect bad 234bf551433cdecbd25593a2bce8b72e7e7280f5 # 06:50 0- 3
auxdisplay: charlcd: Add support for 4-bit interfaces
git bisect bad cdcb352cdba7559c3e450f6dc0b365a1fc27faef # 07:15 0- 2
auxdisplay: charlcd: Extract character LCD core from misc/panel
git bisect good e1792a60e10daf3a273332dce849c2d922272e5c # 07:25 20+ 0 misc:
panel: Abstract temporary backlight handling
# first bad commit: [cdcb352cdba7559c3e450f6dc0b365a1fc27faef] auxdisplay: charlcd:
Extract character LCD core from misc/panel
git bisect good e1792a60e10daf3a273332dce849c2d922272e5c # 07:32 62+ 2 misc:
panel: Abstract temporary backlight handling
# extra tests with CONFIG_DEBUG_INFO_REDUCED
git bisect bad cdcb352cdba7559c3e450f6dc0b365a1fc27faef # 08:05 0- 1
auxdisplay: charlcd: Extract character LCD core from misc/panel
# extra tests on HEAD of linux-devel/devel-catchup-201702070104
git bisect bad 691604094882dd7cacfc5a6cb99918a50e1f7e70 # 08:06 0- 13 0day
head guard for 'devel-catchup-201702070104'
# extra tests on tree/branch
linux-review/Geert-Uytterhoeven/Add-HD44780-Character-LCD-support/20170206-225742
git bisect bad 35cb5b31397ef24e055b5311109422b6beaf5c85 # 08:23 0- 28
auxdisplay: Add HD44780 Character LCD support
# extra tests on tree/branch linus/master
git bisect good f7d6040aa45df6ffd9e891114125dc919f18b96b # 08:36 62+ 0 Merge
tag 'pm-4.10-rc8' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
# extra tests on tree/branch linux-next/master
git bisect good ce05054690c4e11ea08a3c883c5428f5a4dd92c2 # 08:39 64+ 0 Add
linux-next specific files for 20170206
---
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