crash ユーティリティで未完の vmcore を開くと、エラーメッセージ crash: seek error: kernel virtual address: XXXXXXXXXXXXXXXX type: "cpu_possible_mask" が発生する

Solution Unverified - Updated -

Issue

  • crash ユーティリティで未完の vmcore を開くと、エラーメッセージ crash: seek error: kernel virtual address: XXXXXXXXXXXXXXXX type: "cpu_possible_mask" が発生します。
$ crash vmcore-incomplete usr/lib/debug/lib/modules/2.6.32-131.0.15.el6.x86_64/vmlinux
<snip>
crash: seek error: kernel virtual address: ffffffff81613a00  type:"cpu_possible_mask"
  • --minimal オプションは有効ですが、カーネルのリングバッファーのログを取得することもできません。
$ crash --minimal vmcore-incomplete usr/lib/debug/lib/modules/2.6.32-131.0.15.el6.x86_64/vmlinux
<snip>
crash> log
log: seek error: kernel virtual address: ffffffff81a37208  type:"log_buf_len"

Environment

  • Red Hat Enterprise Linux 6.

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