Friday, July 01, 2022

Re: Latest -current boots very slow in VM

Mischa <openbsd@mlst.nl> writes:

> Hi All,
>
> Just updated one of my -current test VMs to the snapshot of June 30.
> The boot process takes extremely long. As soon as it's booting:
>
> ###
> Using drive 0, partition 3.
> Loading......
> probing: pc0 com0 mem[638K 3838M 4352M a20=on]
> disk: hd0+
>>> OpenBSD/amd64 BOOT 3.53
> \
> com0: 115200 baud
> switching console to com0
>>> OpenBSD/amd64 BOOT 3.53
> boot>
> NOTE: random seed is being reused.
> booting hd0a:/bsd: 15590680+3761168+305600+0+1167360
> [1158148+128+1222128+926180]=0x1705860
> entry point at 0xffffffff81001000
> ###
>
> The above is all normal speed, and after this point all characters are
> printed at the speed of around 1 second per character.
> For example printing the below in the console:
>
> ###
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights
> reserved.
> Copyright (c) 1995-2022 OpenBSD. All rights reserved.
> https://www.OpenBSD.org
>
> OpenBSD 7.1-current (GENERIC) #574: Thu Jun 30 12:08:08 MDT 2022
> ###
>
> Took around 4-5 minutes.
> After:
>
> ###
> cpu0: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz, 3200.02 MHz, 06-3f-02
> ###
>
> It's speeding up a little.
>
> The host itself runs 7.1-stable, and there are 11 other VMs (running
> 7.1-stable).
> The previou release was an older -current without any issues.
> On hardware it boots normal. Anything obvious I am missing?
>

What does the guest vmd process look like? Is the cpu% in top showing
it's very busy?

Is it just serial console that's slow on the guest? (If you connect via
ssh, is it normal?)

-dv

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