On 2016-06-25 12:16, Guy Yur wrote:
> On Sat, Jun 25, 2016 at 12:20 PM, Konstantin Belousov
> <kostik...@gmail.com> wrote:
>> On Sat, Jun 25, 2016 at 11:49:39AM +0300, Konstantin Belousov wrote:
>>> On Sat, Jun 25, 2016 at 01:03:13AM +0300, Guy Yur wrote:
>>>> libtdb.so.1`tdb_runtime_check_for_robust_mutexes + 1475 at mutex.c:957
>>> The pointer to tdb_runtime_check_for_robust_mutexes() appeared to be
>>> most useful, thanks.
>>> The two patches below should fix samba use of robustness. First,
>>> kernel erronously reset robust lists locations on fork. Second, the
>>> pthread_mutex_trylock() for owned errorcheck mutex must return EDEADLK
>>> and not EBUSY. Try that.
>> Correction, there was a reason why I initially put the rb list pointers
>> into zeroed region. It still needs to be zeroed on new thread creation.
>> Updated patch.
> With the patch to the 3 files applied, smbd, nmbd and smbclient
> no longer crash on my machine.
> Tested with r302191+patch.
Sorry for being late to the party :/
I've tested your patch (the latest one) and it also seems to do the trick.
FreeBSD 11.0-ALPHA5 (AMD64) - Samba 4.4
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