Changes between Version 1 and Version 2 of Ticket #5352


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Timestamp:
Feb 2, 2010, 9:25:30 AM (15 years ago)
Author:
bonefish
Comment:

I've seen the problem, too. Though not on voluntarily entering KDL, but on a panic() (at least I think it was a panic() -- I had no serial port at that time). Can you reproduce the bug with the described method or was that a one time thing?

Regarding _kern_port_buffer_size_etc(): That's a blocking call (it waits for new messages).

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  • Ticket #5352 – Description

    v1 v2  
    11I was doing a "strace -s CDPlayer" in Terminal and pressed the keys to enter KDL. The white ribbon appeared but no text, and input wasn't possible. I also had ActivityMonitor running. Revision should be around r35383. This is on a quad core.
    2 
    3 (BTW, in CDPlayer's strace output there's a periodic call on _kern_port_buffer_size_etc that takes ~ 449038 us. Seems like a lot to me.)