Re: Recent OMAP git broken on Beagle

[Dirk Behme <dirk.behme@googlemail.com>]

Tony Lindgren wrote:
> * Dirk Behme <dirk.behme@googlemail.com> [080509 23:49]:
> 
>>I tried latest OMAP git (2.6.26-rc1-omap1, git from today, HEAD ==  
>>42fa072e237427675752bb9da05bf406bff19719, "OMAP3 EVM: enable ethernet  
>>support")  on OMAP3 based BeagleBoard and it immediately stops after  
>>output of Kernel command line (with CONFIG_DEBUG_LL enabled):
>>
>>...
>>Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32512
>><5>Kernel command line: console=ttyS2,115200n8 ...
>>
>>No later output or crash, nothing.
>>
>>On an older 2.6.25-omap1 kernel next output is
>>
>>...
>>Kernel command line: console=ttyS2,115200n8 ...
>>Clocking rate (Crystal/DPLL/ARM core): 26.0/266/381 MHz
>>GPMC revision 5.0
>>...
>>
>>Assuming that it might be related to recent clock or powerdomain changes 
>>[1] I switched back to HEAD == "Fix remaining sparse warnings in 
>>arch/arm/mach-omap2" (git-checkout  
>>cdda2a9adbc5421f4857e0313afc6c189f422e25) and system now boots again.
>>
>>Any idea?
> 
> 
> Can you try git-bisect to see which one breaks booting on beagle?

-- cut --
 > git bisect bad
757f0b4ad6b0fd4377c2ee512fc595b5778aa3ac is first bad commit
commit 757f0b4ad6b0fd4377c2ee512fc595b5778aa3ac
Author: Paul Walmsley <paul@pwsan.com>
Date:   Fri May 9 14:45:24 2008 -0700

     powerdomain: convert pwrdm_mutex to rwsem

     Convert pwrdm_mutex to pwrdm_rwsem to avoid trying to relock 
mutex in the
     event that the pwrdm_for_each() callback function calls something 
that
     triggers a pwrdm_lookup().  Problem found by Jouni Högander
     <jouni.hogander@nokia.com>

     Signed-off-by: Paul Walmsley <paul@pwsan.com>
     Signed-off-by: Tony Lindgren <tony@atomide.com>

:040000 040000 833450098951bb58b4753d0ec641e8b1e767c419 
eb7329d713ff74ae46d0a8145f80cd4a259b8fc8 M arch
-- cut --

http://source.mvista.com/git/?p=linux-omap-2.6.git;a=commitdiff;h=757f0b4ad6b0fd4377c2ee512fc595b5778aa3ac

Anybody with Beagle can confirm this?

Many thanks

Dirk
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