Crash point doesnt crash the kernel. [root@llm11 dtt_tools]# ./ttutils set -p TIMERADD -t bug -c 100 [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 67 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 57 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 47 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 39 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 34 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 29 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 24 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 18 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 14 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 8 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 bug TIMERADD 4 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# ./ttutils ls Message from syslogd@llm11 at Tue Jul 4 17:02:52 2006 ... llm11 kernel: ------------[ cut here ]------------ id crash type crash point name count location 1 none INT_HARDWARE_ENTRY 0 kern 2 none INT_TASKLET_ENTRY 0 kern 3 none FS_DEVRW 0 kern 4 none MEM_SWAPOUT 0 kern 5 none TASKLET 0 kern 6 none TIMERADD 0 kern 8 none INT_HW_IRQ_EN 0 kern 101 none SCSI_DISPATCH_CMD 0 kern [root@llm11 dtt_tools]# Message from syslogd@llm11 at Tue Jul 4 17:02:52 2006 ... llm11 kernel: kernel BUG at drivers/dtt/khdtt.c:308! Message from syslogd@llm11 at Tue Jul 4 17:02:52 2006 ... llm11 kernel: invalid opcode: 0000 [#3] Message from syslogd@llm11 at Tue Jul 4 17:02:52 2006 ... llm11 kernel: PREEMPT SMP Message from syslogd@llm11 at Tue Jul 4 17:02:52 2006 ... llm11 kernel: CPU: 3 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: EIP is at cpoint_default_exit+0x4e/0x90 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: eax: 0000000c ebx: c873f1dc ecx: c050cb54 edx: 00000001 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: esi: c873f1dc edi: c873f1dc ebp: f61b5f58 esp: f61b5ee8 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: ds: 007b es: 007b ss: 0068 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: Process db2dasrrm (pid: 4941, threadinfo=f61b4000 task=f60dd030) Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: Stack: c04d3895 c0139f38 c050f060 c873f1dc 00000000 00000213 1d81352e 0000002b Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: f61b4000 f61b5f58 00000000 b608b210 c0486116 f61b5f58 2377162e 0000002b Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: 00000001 00000000 f61b5f58 00000001 c013a2b3 f61b5f58 00000001 00000001 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: Call Trace: Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: <c0139f38> TIMERADD_hook+0x7a/0x82 <c0486116> do_nanosleep+0x56/0x80 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: <c013a2b3> hrtimer_nanosleep+0x63/0x150 <c018d5bd> mntput_no_expire+0x1d/0x80 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: <c01edcd0> ext3_release_file+0x0/0x90 <c013a210> hrtimer_wakeup+0x0/0x20 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: <c029e116> copy_from_user+0x46/0x80 <c013a40a> sys_nanosleep+0x6a/0x80 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: <c01030ab> sysenter_past_esp+0x54/0x75 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: Code: ff 59 31 c0 c3 c7 04 24 9c 64 4e c0 e8 dc cd d5 ff eb ee c7 04 24 8c 38 4d c0 e8 7e c2 d5 ff c7 04 24 95 38 4d c0 e8 c2 cd d5 ff <0f> 0b 34 01 9f 38 4d c0 59 31 c0 c3 31 c0 a3 00 00 00 00 31 c0 Message from syslogd@llm11 at Tue Jul 4 17:02:53 2006 ... llm11 kernel: EIP: [<c03c45ae>] cpoint_default_exit+0x4e/0x90 SS:ESP 0068:f61b5ee8