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由 Luyao Huang 提交于
Functions like virDomainOpenConsole() and virDomainOpenChannel() accept NULL as a dev_name parameter. Try using alias for the error message if dev_name is not specified. Before: error: internal error: character device <null> is not using a PTY After: error: internal error: character device serial0 is not using a PTY Signed-off-by: NLuyao Huang <lhuang@redhat.com>
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