From: Peter Zijlstra <peterz@infradead.org>
To: Ranguvar <ranguvar@ranguvar.io>
Cc: "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
"regressions@leemhuis.info" <regressions@leemhuis.info>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [REGRESSION][BISECTED] from bd9bbc96e835: cannot boot Win11 KVM guest
Date: Sat, 14 Dec 2024 19:39:24 +0100 [thread overview]
Message-ID: <20241214183924.GC10560@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <nscDY8Zl-c9zxKZ0qGQX8eqpyHf-84yh3mPJWUUWkaNsx5A06rvv6tBOQSXXFjZzXeQl_ZVUbgGvK9yjH6avpoOwmZZkm3FSILtaz2AHgLk=@ranguvar.io>
On Sat, Dec 14, 2024 at 06:30:11AM +0000, Ranguvar wrote:
> Hello, all,
>
> Any assistance with proper format and process is appreciated as I am
> new to these lists. After the commit bd9bbc96e835 "sched: Rework
> dl_server" I am no longer able to boot my Windows 11 23H2 guest using
> pinned/exclusive CPU cores and passing a PCIe graphics card. This
> setup worked for me since at least 5.10, likely earlier, with minimal
> changes.
>
> Most or all cores assigned to guest VM report 100% usage, and many
> tasks on the host hang indefinitely (10min+) until the guest is
> forcibly stopped. This happens only once the Windows kernel begins
> loading - its spinner appears and freezes.
Do the patches here:
https://lkml.kernel.org/r/20241213032244.877029-1-vineeth@bitbyteword.org
help?
I'm not really skilled with the whole virt thing, and I definitely do
not have Windows guests at hand. If the above patches do not work; would
it be possible to share an image or something?
next parent reply other threads:[~2024-12-14 18:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <nscDY8Zl-c9zxKZ0qGQX8eqpyHf-84yh3mPJWUUWkaNsx5A06rvv6tBOQSXXFjZzXeQl_ZVUbgGvK9yjH6avpoOwmZZkm3FSILtaz2AHgLk=@ranguvar.io>
2024-12-14 18:39 ` Peter Zijlstra [this message]
2024-12-15 18:50 ` [REGRESSION][BISECTED] from bd9bbc96e835: cannot boot Win11 KVM guest Ranguvar
2024-12-14 6:32 Ranguvar
2024-12-14 18:52 ` Peter Zijlstra
2024-12-16 15:23 ` Juri Lelli
2024-12-16 16:50 ` Sean Christopherson
2024-12-16 20:40 ` Ranguvar
2024-12-17 8:57 ` Juri Lelli
2024-12-18 6:21 ` Ranguvar
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