linux-kernel - Re: [Bug Report] Linux v6.15-rc7 boot failure on Xen-4.17

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Message-ID: <86cec0d4-96fa-49dc-aac9-29dcae48b425@zytor.com>
Date: Tue, 27 May 2025 10:54:55 -0700
From: Xin Li <xin@...or.com>
To: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        Jürgen Groß
 <jgross@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        alexandre.chartre@...cle.com,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        "Zhang, Tao1"
 <tao1.zhang@...el.com>
Subject: Re: [Bug Report] Linux v6.15-rc7 boot failure on Xen-4.17

On 5/27/2025 10:46 AM, Pawan Gupta wrote:
>> Attached is the serial console log and my kernel config.
> Serial logs aren't telling much. I do not have a Xen setup to test, without
> Xen the config that you provided is booting a KVM guest just fine.

Yeah, as I replied to Juergen, the same kernel binary boots fine as
"native".

Unfortunately when booting as dom0 on Xen, it keeps rebooting w/o
helpful log.

> 
> Adding Andrew if he has any pointers on debugging this.

Oh, I should have done it...