Ubuntu
linux package

  1. Bug #1875941
  2. Comment #5

Comment 5 for bug 1875941

Revision history for this message
Colin Ian King (colin-king) wrote : Re: using perf as root locks up focal kernel

OK, this seems to only happen when using exceptions/page_fault_user, exceptions/page_fault_kernel and tlb/tlb_flush together.

One can reproduce this with perf:

sudo perf record -e exceptions:page_fault_user,exceptions:page_fault_kernel,tlb:tlb_flush sleep 1