Hello Ulrich,

I would describe in detail what I did, if I didn't only switch the 
pictures. Maybe I toggled the over/under exposure indicator.
BTW I am max_ on irc...

hal

On Sat 24 Nov 2012 12:44:21 PM CET, Ulrich Pegelow wrote:
> Hi,
>
> for some reason dt_dev_pixelpipe_synch() is called with history=0
> from dt_dev_pixelpipe_synch_all(). So we need to find out why this happens.
>
> Can you please open a ticket in www.darktable.org/redmine ? The better
> you can describe how to provoke the crash the higher the chances it gets
> fixed :)
>
> Ulrich
>
> Am 24.11.2012 12:14, schrieb Max Killer:
>> Hello,
>>
>> while switching pictures in dr mode with SAPCE, I sometimes receive a
>> segfault:
>> (OpenCL is off because my system crashes reliable with it)
>>
>> [New Thread 0x7fff53165700 (LWP 5770)]
>> [New Thread 0x7fff52964700 (LWP 5771)]
>> [New Thread 0x7fff52163700 (LWP 5772)]
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 0x7fffe67fc700 (LWP 5750)]
>> dt_dev_pixelpipe_synch (pipe=pipe@entry=0x15ff250,
>> dev=dev@entry=0x15febb0, history=history@entry=0x0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/pixelpipe_hb.c:194
>> 194
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/pixelpipe_hb.c:
>> No such file or directory.
>> (gdb) bt
>> #0  dt_dev_pixelpipe_synch (pipe=pipe@entry=0x15ff250,
>> dev=dev@entry=0x15febb0, history=history@entry=0x0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/pixelpipe_hb.c:194
>> #1  0x00007ffff7a74f4e in dt_dev_pixelpipe_synch_all (pipe=0x15ff250,
>> dev=0x15febb0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/pixelpipe_hb.c:227
>> #2  0x00007ffff7a751fb in dt_dev_pixelpipe_change (pipe=0x15ff250,
>> dev=dev@entry=0x15febb0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/pixelpipe_hb.c:253
>> #3  0x00007ffff7a690ec in dt_dev_process_preview_job (dev=0x15febb0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/develop/develop.c:215
>> #4  0x00007ffff7a64de0 in dt_dev_process_preview_job_run (job=<optimized
>> out>) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/control/jobs/develop_jobs.c:25
>> #5  0x00007ffff7a5bed3 in dt_control_run_job_res (s=s@entry=0x6696e0,
>> res=res@entry=2) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/control/control.c:905
>> #6  0x00007ffff7a5c83d in dt_control_work_res (ptr=0x6696e0) at
>> /build/buildd/darktable-1.1~rc2+61~gfb2e489/src/control/control.c:1144
>> #7  0x00007ffff779de9a in start_thread () from
>> /lib/x86_64-linux-gnu/libpthread.so.0
>> #8  0x00007ffff74cacbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
>> #9  0x0000000000000000 in ?? ()
>> (gdb)
>>
>>
>> Is this information sufficient?
>>
>> So long,
>>
>> hal
>
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