From: Thomas Gleixner <tglx@linutronix.de>
To: Yipeng Zou <zouyipeng@huawei.com>,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com, peterz@infradead.org,
sohil.mehta@intel.com, rui.zhang@intel.com, arnd@arndb.de,
yuntao.wang@linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [BUG REPORT] x86/apic: CPU Hang in x86 VM During Kdump
Date: Tue, 29 Jul 2025 21:48:01 +0200 [thread overview]
Message-ID: <87a54mkccu.ffs@tglx> (raw)
In-Reply-To: <4426d19d-7f7e-411b-8573-36b8990e5d9a@huawei.com>
On Tue, Jul 29 2025 at 21:35, Yipeng Zou wrote:
> 在 2025/7/29 16:53, Thomas Gleixner 写道:
>> On Sun, Jul 27 2025 at 22:01, Thomas Gleixner wrote:
>> So the patch I gave you should handle the reboot vector pending in IRR
>> gracefully. Can you please give it a try?
>
> Hi Thomas:
>
> Thanks for your time!
>
> Indeed, It invokes kdump_nmi_shootdown_cpus() and uses the NMI
> shutdown.
>
> I started the test run today, but this is a low-probability to hit
> this path, might take a while.
It's trivial enough to enforce that, no?
next prev parent reply other threads:[~2025-07-29 19:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-04 8:33 [BUG REPORT] x86/apic: CPU Hang in x86 VM During Kdump Yipeng Zou
2025-07-26 9:50 ` Yipeng Zou
2025-07-27 12:39 ` Thomas Gleixner
2025-07-27 20:01 ` Thomas Gleixner
2025-07-29 8:53 ` Thomas Gleixner
2025-07-29 13:35 ` Yipeng Zou
2025-07-29 19:48 ` Thomas Gleixner [this message]
2025-08-11 12:51 ` Yipeng Zou
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