NMI watchdog reported a soft lockup on a CPU which was stuck inside flush_tlb_others()

Solution Verified - Updated -

Issue

  • The Non-maskable Interrupt (NMI) watchdog reported a soft lockup on a CPU, which was stuck inside the flush_tlb_others() function

    BUG: soft lockup - CPU#0 stuck for 10s! [pdflush:422]  
Pid: 422, comm: pdflush  
EIP: 0060:[c0415a4d] CPU: 0  
EIP is at flush_tlb_others+0x88/0xb3

Environment

  • Red Hat Enterprise Linux Server release 5.4

  • Kernel parameter softlockup_panic set to 1

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