Porting sbcl to DragonFly

[Markus Pfeiffer]

Hi Vasily,

I tried myself porting sbcl to dragonfly, and succeeded insofar as I removed
some kernel panics caused by sbcl.

I cannot though reproduce your problem on my machine right now, can you please
advise me about what version of dragonfly's world/kernel you are using and
which steps exactly i have to take to reproducethe problem?

Looking at threading problems in gdb is usually less than useful.

Cheers,
Markus

On Wed, Apr 03, 2013 at 09:22:09AM +0400, vasily postnicov wrote:
> > I am still concerned about sb-concurrency's symbol-value-in-thread.3 test .
> It always causes sbcl to crash and always in different fashion (sometimes it
> just prints "Illegal instruction" and crashes, sometimes sbcl debugger is
> invoked with "The integrity of this image is possibly compromised" message and
> sometimes there are "[diagnostic] cache_lock: blocked on 0xffffffe00653eac8
> sbcl.core" kernel messages)
> 
> Cannot fix it. Still no luck. So I put sbcl binary (for x86-64), lisp file,
> which can cause a crash, and 2 cores of crashed sbcl into archive and hope,
> that someone can help me:
> 
> shamazmazum.users.sourceforge.net/sbcl-bin.tar.bz2 (23 M)
> 
> The bug has more probability to reproduce, when system is under load (I used
> 'make buildworld'). On idle system this test often completes without any error.
> 
> Backtrace usually looks like:
> (gdb) bt
> #0 0x000000080085f864 in _umtx_wakeup_err () from /usr/lib/libpthread.so.0
> Cannot access memory at address 0x80ebcff08
> 
> And thread info usually looks like:
> (gdb) info thread
>    Id     Target     Id       Frame
>    6       process   765    0x0000000800859dc8  in ?? () from /usr/lib/
> libpthread.so.0
>    5       process   711    0x000000080085f864   in  _umtx_wakeup_err ()from /
> usr/lib/libpthread.so.0
>    4       process   705    0x0000000020100019  in  ?? ()
>    3       process   1        0x0000001002c458fb   in  ?? ()
> * 2       process   724    0x000000080085f864   in  _umtx_wakeup_err() from /
> usr/lib/libpthread.so.0
> 
> Again, sources can be found here:
> https://github.com/shamazmazum/sbcl-dragonfly
> 
> in 'dragonfly' branch.
> 
> Still no response from sbcl-devel, so you are my only hope ;)
> 
> 
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