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Re: kern/55924: dmesg(8) broken on aarch64

The following reply was made to PR kern/55924; it has been noted by GNATS.

From: Martin Husemann <>
To: Rin Okuyama <>
Cc:, Martin Husemann <>
Subject: Re: kern/55924: dmesg(8) broken on aarch64
Date: Tue, 26 Jan 2021 11:03:40 +0100

 On Tue, Jan 26, 2021 at 06:17:17PM +0900, Rin Okuyama wrote:
 > I cannot reproduce this problem with GENERIC64 obtained from
 > HEAD/202101251420Z on my RockPro64 (with u-boot/uefi).
 > Is this typical to HummingBoard Pulse or its SoC or etc.?
 It seems to be specific to this board/soc - it always show random
 corruption and in the week where I filed the PR it was especially
 Usually there is a meaningfull dmesg at the end of the output, but apparently
 some random noise confused my terminal emulator.
 Would be great if we could clear the msgbuf early, but it seems there is no
 way to tell if this is a "cold" boot or a reboot and what parts of the
 buffer should be preserved.

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