samba3 crash

[Stefan (metze) Metzmacher]

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Jeremy Allison schrieb:
> On Tue, Jun 05, 2007 at 02:30:30PM +0200, Stefan (metze) Metzmacher wrote:
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>>>> home/build/build_farm/samba_3_0.metze/source/bin/smbd"
>>>>         result = 1696625253
>>>> #5  0x374ecc in byte_range_lock_destructor (br_lck=0x40164868) at
>>>> locking/brlock.c:1578
>>>>         data = {dptr = 0x401b90c8 "", dsize = 8832}
>>>>         status = {v = 3221225473}
>>>>         key = {dptr = 0x40164878 "", dsize = 16}
>>>> #6  0x3c862c in _talloc_free (ptr=0x40164868) at lib/talloc/talloc.c:0
>>>> No locals.
>>>> #7  0x3c9630 in talloc_free (ptr=0x40164868) at lib/talloc/talloc.c:0
>> I just found the difference between LOCK3 and BASE-LOCK-LOCK3
>> samba has torture_numops=100 and samba4 has torture_numops=10
>>
>> when I change it to 10 in samba3 it also doesn't appear...
>>
>> should we change samba4 to 100 again?
> 
> Oh, is this on HPUX ? HPUX is one of the insane
> systems that has a hard coded limit on the number
> of allowable fcntl locks. You have to change a
> kernel tunable and reboot to fix this.
> 
> If it's running out of fcntl locks on HPUX this
> is a known HPUX bug - we tell people to up the
> number of allowable locks and reboot.

Hi Jeremy,

thanks! we changed nflock from 200 to 500 and it works fine now.

Another workaround is "posix locking = no"...

metze
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