[Bug 285156] No HDMI audio on AlderLake N100

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 27 Jan 2026 06:56:15 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285156

--- Comment #9 from Jonathan Chen <jonc@chen.org.nz> ---
(In reply to Stefan Roesch from comment #8)

Hmm. I don't see anything useful in /var/log/messages:

cruzer:~,7:52pm# sysctl dev.hdac.0.pindump=1    
dev.hdac.0.pindump: 0 -> 0  
cruzer:~,7:53pm# tail /var/log/messages
Jan 27 19:50:31 cruzer ntpd[1895]: Command line: /usr/sbin/ntpd -p
/var/db/ntp/n
tpd.pid -c /etc/ntp.conf -f /var/db/ntp/ntpd.drift -g  
Jan 27 19:50:31 cruzer ntpd[1895]:
---------------------------------------------
-------  
Jan 27 19:50:31 cruzer ntpd[1895]: ntp-4 is maintained by Network Time
Foundatio
n,  
Jan 27 19:50:31 cruzer ntpd[1895]: Inc. (NTF), a non-profit 501(c)(3)
public-ben
efit  
Jan 27 19:50:31 cruzer ntpd[1895]: corporation.  Support and training for ntp-4
are  
Jan 27 19:50:31 cruzer ntpd[1895]: available at https://www.nwtime.org/support  
Jan 27 19:50:31 cruzer ntpd[1895]:
---------------------------------------------
-------  
Jan 27 19:50:32 cruzer ntpd[1896]: leapsecond file
('/var/db/ntpd.leap-seconds.l
ist'): good hash signature  
Jan 27 19:50:32 cruzer ntpd[1896]: leapsecond file
('/var/db/ntpd.leap-seconds.l
ist'): loaded, expire=2026-06-28T00:00:00Z last=2017-01-01T00:00:00Z ofs=37  
Jan 27 19:50:36 cruzer login[1955]: ROOT LOGIN (root) ON ttyv0

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