the shell script to start sybase is:
/opt/sybase/ASE-12_5/bin/dataserver \
-d/db/my/system/data/master.dat \
-e/db/my/system/logs/MYSERVER.log \
-c/opt/sybase/ASE-12_5/MYSERVER.cfg \
-M/opt/sybase/ASE-12_5 \
-sMYSERVER \
-m
here is the errorlog after reboot and try to start sybase:
00:00000:00000:2014/04/02 15:13:07.81 kernel ueshutdown: exiting
00:00000:00000:2014/04/02 15:13:07.81 kernel Abnormal exit detected - SQL Server process level execution bindings will be cleared on startup.
00:00000:00000:2014/04/02 15:20:59.01 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 15:20:59.02 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 15:20:59.02 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 15:20:59.22 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 15:20:59.28 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 15:20:59.28 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 15:20:59.29 kernel os_create_region: shmget(0xf402f68e): No space left on device
00:00000:00000:2014/04/02 15:20:59.29 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 15:20:59.29 kernel kistartup: could not create shared memory
00:00000:00000:2014/04/02 15:56:54.75 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 15:56:54.76 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 15:56:54.76 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 15:56:54.95 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 15:56:54.99 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 15:56:54.99 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 15:56:55.00 kernel os_create_region: shmget(0xf402f74d): No space left on device
00:00000:00000:2014/04/02 15:56:55.00 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 15:56:55.00 kernel kistartup: could not create shared memory
00:00000:00000:2014/04/02 16:22:15.14 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 16:22:15.15 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 16:22:15.15 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 16:22:15.35 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 16:22:15.39 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 16:22:15.39 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 16:22:15.40 kernel os_create_region: shmget(0xf402f68e): No space left on device
00:00000:00000:2014/04/02 16:22:15.40 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 16:22:15.40 kernel kistartup: could not create shared memory
00:00000:00000:2014/04/02 16:29:19.01 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 16:29:19.01 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 16:29:19.01 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 16:29:19.02 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 16:29:19.02 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 16:29:19.02 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 16:29:19.02 kernel os_create_region: shmget(0xf402f74d): No space left on device
00:00000:00000:2014/04/02 16:29:19.02 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 16:29:19.02 kernel kistartup: could not create shared memory
00:00000:00000:2014/04/02 16:29:28.12 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 16:29:28.12 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 16:29:28.12 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 16:29:28.13 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 16:29:28.13 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 16:29:28.13 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 16:29:28.13 kernel os_create_region: shmget(0xf402f68e): No space left on device
00:00000:00000:2014/04/02 16:29:28.13 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 16:29:28.13 kernel kistartup: could not create shared memory
00:00000:00000:2014/04/02 16:50:26.65 kernel Use license file /opt/sybase/SYSAM-1_0/licenses/license.dat.
00:00000:00000:2014/04/02 16:50:26.66 kernel Checked out license ASE_SERVER
00:00000:00000:2014/04/02 16:50:26.66 kernel Adaptive Server Enterprise Edition
00:00000:00000:2014/04/02 16:50:26.85 kernel Using config area from primary master device.
00:00000:00000:2014/04/02 16:50:26.89 kernel Detected 2 physical CPU's
00:00000:00000:2014/04/02 16:50:26.89 kernel Checked out license ASE_XFS
00:00000:00000:2014/04/02 16:50:26.92 kernel os_create_region: shmget(0xf402f74d): No space left on device
00:00000:00000:2014/04/02 16:50:26.92 kernel kbcreate: couldn't create kernel region.
00:00000:00000:2014/04/02 16:50:26.92 kernel kistartup: could not create shared memory