The system locks up with processes contending a spinlock in ExAcquireResourceExclusiveLite() function of [sisips] kernel module

Solution Unverified - Updated -

Issue

The system locks up with 100% system CPU usage. The intentional crashdump shows the processes on all CPUs contending the same spinlock in ExAcquireResourceExclusiveLite() function of [sisips] kernel module with the calltrace like this:

PID: 10722  TASK: 100e616a7f0       CPU: 0   COMMAND: "ifxmonitor.ksh"
 #2 [100e4bbbcd8] call_function_interrupt at ffffffff80110be1
    [exception RIP: __write_lock_failed+0x9]
    RIP: ffffffff801f30b1  RSP: 00000100e4bbbd88  RFLAGS: 00000287
    RAX: 00000100ee6d7d60  RBX: 00000100ee6d7d60  RCX: 0000000000000003
    RDX: 0000000000000001  RSI: 0000000000000001  RDI: 00000100ee6d7d60
    RBP: 00000100e4bbbed8   R8: 0000000000000000   R9: 0000002a9557104e
    R10: 0000000000000003  R11: 0000000000000246  R12: 00000100e4bbbea8
    R13: 00000100e4bbbe18  R14: 0000000000000001  R15: 0000002a9557104e
    ORIG_RAX: fffffffffffffffa  CS: 0010  SS: 0018
 #3 [100e4bbbd88] .text.lock.spinlock at ffffffff80316bcb (via _write_lock)
 #4 [100e4bbbd90] ExAcquireResourceExclusiveLite at ffffffffa0136e0c [sisips]
 #5 [100e4bbbda0] _Z10GetProcessi at ffffffffa013af9d [sisips]
 #6 [100e4bbbe60] hook_open at ffffffffa013bacf [sisips]
 #7 [100e4bbbf80] system_call at ffffffff801102de

Environment

Red Hat Enterprise Linux 4
Symantec Critical System Protection agent
[sisips] kernel module, as a part of SCSP

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content