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SubjectRe: [PATCH 3.12 000/104] 3.12.27-stable review
On Wed, Aug 20, 2014 at 09:54:59AM -0700, Guenter Roeck wrote:
> On Wed, Aug 20, 2014 at 01:43:51PM +0200, Jiri Slaby wrote:
> > This is the start of the stable review cycle for the 3.12.27 release.
> > There are 104 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Fri Aug 22 13:43:20 CEST 2014.
> > Anything received after that time might be too late.
> >
> Build results look good:
> total: 135 pass: 135 fail: 0
>
> qemu tests passed except for sparc64 which hangs during boot, both for SMP and
> non-SMP builds. I'll try to bisect as soon as I have a somewhat stable internet
> connection.
>
Bisect result:

# bad: [c07d9e5da83f1470ccc58d37fe222dab36dbca67] drivers/rtc/interface.c: fix infinite loop in initializing the alarm
# good: [d83a3234d2e1e2a55e7f2430fc9ca29a9bd315e7] Linux 3.12.26
git bisect start 'HEAD' 'v3.12.26'
# bad: [0d543dade2be5f0ddb268c6d6ea0e86938e3bf42] sparc64: Add membar to Niagara2 memcpy code.
git bisect bad 0d543dade2be5f0ddb268c6d6ea0e86938e3bf42
# good: [6e1af05639abfc6f1841e6bf8b5c8492971ed1f2] staging: vt6655: Fix Warning on boot handle_irq_event_percpu.
git bisect good 6e1af05639abfc6f1841e6bf8b5c8492971ed1f2
# good: [6a25e8f778995cabb0cfe2acb3247e3b42dec35f] macvlan: Initialize vlan_features to turn on offload support.
git bisect good 6a25e8f778995cabb0cfe2acb3247e3b42dec35f
# good: [bf42f839476f1f447ca696fbbab7e741861d9d7d] sparc64: Fix executable bit testing in set_pmd_at() paths.
git bisect good bf42f839476f1f447ca696fbbab7e741861d9d7d
# bad: [6acda98c75b536deaba1bf21f93411fcc484fbb5] sparc64: Add basic validations to {pud,pmd}_bad().
git bisect bad 6acda98c75b536deaba1bf21f93411fcc484fbb5
# good: [a91ce41d405b3cc59d6666ec91a5a3235f9cbcf6] sparc64: Fix top-level fault handling bugs.
git bisect good a91ce41d405b3cc59d6666ec91a5a3235f9cbcf6
# first bad commit: [6acda98c75b536deaba1bf21f93411fcc484fbb5] sparc64: Add basic validations to {pud,pmd}_bad().

Reverting the offending patch ('Add basic validations ...') fixes the problem.

There is a twist: The final kernel hangs during boot. Some of the interim
builds crash. I did not try to track down where it stops crashing and starts
hanging.

Adding Dave for additional input. I suspect there may be some missing patch,
but no idea where to even start looking.

Guenter


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