Re: kern/55848: amd64 9/99.76 panic in audio(4)

[Paul Goyette <paul%whooppee.com@localhost>]

The following reply was made to PR kern/55848; it has been noted by GNATS.

From: Paul Goyette <paul%whooppee.com@localhost>
To: Tetsuya Isaki <isaki%pastel-flower.jp@localhost>
Cc: gnats-bugs%netbsd.org@localhost
Subject: Re: kern/55848: amd64 9/99.76 panic in audio(4)
Date: Wed, 9 Dec 2020 05:28:15 -0800 (PST)

 On Wed, 9 Dec 2020, Tetsuya Isaki wrote:
 
 > At Mon, 7 Dec 2020 10:05:39 -0800 (PST),
 > Paul Goyette wrote:
 >> Looking at the code and traceback, it would seem that firefox (or
 >> something) is attempting to open the record-mixer without ensuring
 >> that sc_rbusy is unset.
 >
 > I have just committed the fix.  In fact I didn't use firefox to
 > reproduce, but I simulated and could confirm the same panic.
 >
 > Could you try audio.c rev 1.80 (or later)?
 
 Yeah, I plan to update again on the weekend.
 
 
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