Re: kern/57273: poll timeout is doubled when NetBSD is run inside QEMU

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/57273; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/57273: poll timeout is doubled when NetBSD is run inside
 QEMU
Date: Thu, 16 Mar 2023 18:08:45 +0100

 On Thu, Mar 16, 2023 at 04:55:01PM +0000, roy%marples.name@localhost wrote:
 > Install NetBSD to a qemu VM hosted on NetBSD.
 
 This is most likely a well known issue caused by small delay values being
 rounded up to HZ-of-the-host granularity on non-tickless kernels.
 
 Workaround is to build a host kernel with options HZ=1000 or similar.
 
 Martin