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Date:      Mon, 13 Dec 2021 17:01:43 +0000
From:      Alexey Dokuchaev <danfe@freebsd.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        Gleb Smirnoff <glebius@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, x11@freebsd.org
Subject:   Re: smr inp breaks some jail use cases and panics with i915kms don't switch to the console anymore
Message-ID:  <Ybd8d5nzx25w9cAV@FreeBSD.org>
In-Reply-To: <1db0942e-0e66-4337-ce2f-4e1005107435@FreeBSD.org>
References:  <1db0942e-0e66-4337-ce2f-4e1005107435@FreeBSD.org>

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On Mon, Dec 13, 2021 at 07:45:07AM -0800, John Baldwin wrote:
> ...
> However, it was a bit harder to see this originally as the 915kms driver
> tries to do a malloc(M_WAITOK) from cn_grab() when entering DDB which
> recursively panics (even a malloc(M_NOWAIT) from cn_grab() is probably a
> bad idea).

Funny how these new Linuxish DRM bits could affect so many things. :(

> The fact that that sysbeep is off so I couldn't tell if typing in commands
> was doing anything vs emitting errors probably didn't improve trying to
> diagnose the hang as "sitting in ddb" initially, though I don't know if
> DDB itself emits a beep for invalid commands, etc.

Now that Warner had fixed the beeper frequency, why we still didn't enable
it back on by default?

./danfe



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