The crash command extension ptdump failed to dump log buffer of Intel(R) Processor Trace

Issue

• The crash command extension ptdump failed with an error: invalid size request: 0 type: "read page for write"

crash> extend ptdump.so
/usr/lib64/crash/extensions/ptdump.so: shared object loaded

crash> ptdump /tmp/ptdump.out
  [0] buffer dump: dump.0
  [0] packet decode: decode.0
  [1] buffer dump: dump.1
  [1] packet decode: decode.1
  [2] buffer dump: dump.2
  [2] packet decode: decode.2
  ptdump: invalid size request: 0  type: "read page for write"