Control: tag -1 + moreinfo unreproducible
Control: severity -1 normal

06.10.2024 17:26, Hank Knox wrote:
Package: qemu-system
Version: 1:9.1.0+ds-8
Severity: important
X-Debbugs-Cc: hank.k...@gmail.com

Dear Maintainer,

I have been running a Windows 10 guest in QEMU/KVM without issues for over 2
years. After a recent update of the qemu packages to the version just before
the current one in sid, the Windows guest starts normally but freezes
completely just a few moments after logging in. The GUI becomes unresponsive
and the only solution is to force the instance to quit.

I've been running several windows 10 and 11 guests for quite some time, -- I
test new qemu releases using these guests too.  No problems with 9.1.x so far, -
or else I'd notice it long ago, obviously :)  Nothing about this in recent
upstream qemu issues either..

Due to this, lowering severity to normal.

For a start, please provide the qemu command line you use to launch your VM.
Without this, it's impossible to say what's going on.

Also, please specify which version of windows do you run, - this might be
important, or might be not.

And, - try to find out what it is doing a few moments after logging in.
BTW, does it respond to network requests, to pings, or is it completely
frozen?

Somehow people often mention logs, or inability to find logs - I wonder why
this happens.  qemu emulates a CPU (actually whole system), it does not
understand what is running inside it, so can not produce any meaningful logs.
It can produce disassembly of the code it is running though, - but there,
it usually isn't easy to understand what the guest OS is actually doing.
On the windows side, it does have some diagnostic tools, but if it just
freezes, there's not much we can do there either.  So there's no logs.

Thanks,

/mjt

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