HP Tru64 UNIX – System panic in getsysinfo system call



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 Advisory Information

LAST UPDATE: 2010-02-19


System panic happens in getsysinfo system call with panic string as "lock_read: simple lock owned" when lockmode is set to 4. Stack trace during the time of panic :

Stack trace during the time of panic :

CPU: 2 PID: 8850 THREAD: fffffc035c231500 COMMAND: "ecap_monitor"

1: panic+288: stop_secondary_cpu

2: event_timeout+332: panic("event_timeout: panic request")

3: printf+424: event_timeout

4: panic+632: printf

5: lock_fault+372: panic("lock_read: simple lock owned")

6: lock_read+552: lock_fault

7: u_map_fault+116: lock_read

8: vm_fault+28: u_map_fault

9: trap+8444: vm_fault

10: _XentMM+84: trap

11: qcopy+164: _XentMM

12: copyout+28: qcopy

13: hal_get_sysinfo+5320: copyout

14: getsysinfo+4556: hal_get_sysinfo

15: syscall+496: getsysinfo

16: _Xsyscall+92: syscall

17: 0x3ff800ef898: _Xsyscall


The following supported versions are affected:

  • HP Tru64 UNIX V5.1B-4


HP is releasing the following patch kit publicly for use by any customer. The kit uses dupatch to install

The fix contained in this ERP kit is already available in the following mainstream patch kit:

HP Tru64 UNIX version: 5.1B-5

Downloadable Solution

Product: HP Tru64 UNIX version: 5.1B-4
Downloadable File: T64KIT1001752-V51BB27-E-20091119.tar
Kit Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001752-V51BB27-E-20091119