semaphores and Solaris 7 8/99

Todd Pfaff pfaff at
Mon Oct 25 02:26:29 GMT 1999

jeremy allison posted a patch to deal with this issue back in july.  have
a look through the samba archives or see this dejanews article:

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unfortunately, this patch has not always solved the problem for me.  it
seems to work on some solaris 7 systems and not others.  i have seen this
problem with various installation of solaris 7 (mostly 5/99) on both 32-
and 64-bit kernels.  i have never been able to pin down in which cases it
does or does not work.  i have even seen the case where samba is running
fine after a reboot but then exhibits this locking problem if i manually
stop and restart smbd sometime later.

in some cases, i have been able to eliminate the problem by reverting to
an older build of samba-2.0.5a made on a solaris 2.5 system, without the
aforementioned patch.

just out of curiosity, could you try some tests?

1) starting smbd and nmbd from an init script and reboot the ultra 10
2) apply the patch, rebuild and restart

did either of these help?  if (1), then try manually stopping and starting
smbd.  still ok?

Todd Pfaff                         \  Email: pfaff at
Computing and Information Services  \ Voice: (905) 525-9140 x22920
ABB 132                              \  FAX: (905) 528-3773
McMaster University                   \
Hamilton, Ontario, Canada  L8S 4M1     \

On Sun, 24 Oct 1999, Kevin Van Der Hart wrote:

> I just installed the 8/99 release of Solaris 7 on three Sun Ultra 10's and
> it seems to have broken Samba. I am running Samba 2.0.5a and it works fine
> on an Ultra 10 running the 5/99 release of Solaris 7. All of the Ultra 10's
> are using the 64 bit kernel. This is the errors that I am getting.
> [1999/10/22 21:09:56, 0] locking/shmem_sysv.c:sysv_shm_open(597)
>   ERROR: root did not create the semaphore
> [1999/10/22 21:09:56, 0] locking/locking.c:locking_init(174)
>   ERROR: Failed to initialise share modes
> I used abd to compare the kernel settings for shminfo and seminfo and they
> are indentical between the 2 releases. I also verified the samba install. I
> am running smbd and nmbd as a daemon not through inetd. Thanks in advance.
> Kevin Van Der Hart
> LAN Administrator
> Vermeer Mfg Co
> kvanderhart at

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