Thread (18 messages) 18 messages, 2 authors, 2014-06-18

Kernel 3.15: Boot problems with a PA6T board

From: Christian Zigotzky <hidden>
Date: 2014-05-31 11:14:42

On 31.05.2014 12:28, Christian Zigotzky wrote:
On 29.05.2014 04:48, Michael Ellerman wrote:
quoted
On Wed, 2014-05-28 at 13:25 +0200, Christian Zigotzky wrote:
quoted
On 28.05.2014 10:53, Christian Zigotzky wrote:
quoted
Hi Michael,

Thank you for your answer and thank you for your help. :-)

On 28.05.2014 06:23, Michael Ellerman wrote:
quoted
On Wed, 2014-05-28 at 01:08 +0200, Christian Zigotzky wrote:

I'm going to guess that cd427485357c0c4b99f69719251baacf25946e11 is
BAD. Can
you please confirm or deny that?
It's not BAD. It boots.
Hmm, interesting.
quoted
quoted
quoted
If cd42748 is *good*, then you'll need to do a bigger bisect from
d8ff9cd to
18a1a7a.
OK :-)

-> git clone
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
linux2-git
-> git bisect start
-> git bisect good d8ff9cdf68fd119d491f3de90e1a612afc2f3b2b
-> git bisect bad 18a1a7a1d862ae0794a0179473d08a414dd49234

Output:
Bisecting: 5900 revisions left to test after this (roughly 13 steps)
[cb1595563880a81dab6eab9a5ecb4520d2e76077] Merge tag 'tty-3.15-rc1' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Unfortunately it doesn't boot. :-(
OK. So you do:

$ git bisect bad

And it will pick a new commit for you to test. Repeat that ~13 times 
and you
should have identified the bad commit.
OK :-)

git bisect bad
Bisecting: 2902 revisions left to test after this (roughly 12 steps)
[b22f136071b1a797e96b3ee6fb0dc32625bd152e] staging: rtl8821ae: Fix 
quoted string split across lines <- Kernel boots :-)

What shall I do next?
OK, I know it: git bisect good

-- Christian
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