From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zytor.com (terminus.zytor.com [198.137.202.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD53928003C for ; Tue, 27 May 2025 17:55:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.136 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748368521; cv=none; b=Bij04QBIvR0cP377tNhN3VJB7iNWLh1AcB0xB4YYRaxj0s4WmrsvbmGMdnaBJ1Qz8jjcoREoS6nG57q05wWsxu+U8nrAXS72N7jHdeScexpEY5j+A2zWDTO1y6W2SFiTF76S62G4UVKsOSjLin3igKBywwC65RZZSuVSkGB8zZo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748368521; c=relaxed/simple; bh=4+okNfBcqK/MSta37j5QFX2YJeHicALQZly1YNf0xxk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=AmHdfrjY5YGPvI25AE37OYY2gATttessbVv6NcTcQ+PuVrBLYKwCAjy/fLokNexF/fYoq8xveHFyZOTMAJLvfeBUUZyrW6W0DFzJy0C/x4JZGIeUngExq+Zy9CTkVE1sKHlUykYZVKIndM15ojPl/VBG0+ggCsaS/WlQ7atkn24= ARC-Authentication-Results:i=1; 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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=rUgwFFzj02sOc//qP4SbqEOoAX6uMpUX+RUpCAYPs5/hyzbbeXG9alrW3xtSS0JmE BnKf6bYOheXviQE1rTNcF24a42UH0UohwnkUCesMNxb0q3vQi9+bohyImRZJD6Jrma 7AZ3vdkw4+U32zuCRcPwtzIagFDpc8d4eJb5pZRBNvpacpHfkKVVh3O7c4nuE7wtpo fjTXuFCmFSYIc4t3VsF/DEx3ciaVSt2DoDqk+RWGHirplkQd/B/HGTHbQSgOcHwO1w WH2NXcnvRttDH9dsfKIJAK6uz2q3syaSGqkNcrF526GTkgKBc116E8cnVQJks0H0Om WJfZ/4rRLlUtA== Message-ID: <86cec0d4-96fa-49dc-aac9-29dcae48b425@zytor.com> Date: Tue, 27 May 2025 10:54:55 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Bug Report] Linux v6.15-rc7 boot failure on Xen-4.17 To: Pawan Gupta Cc: "linux-kernel@vger.kernel.org" , "x86@kernel.org" , =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= , Peter Zijlstra , Dave Hansen , alexandre.chartre@oracle.com, Andrew Cooper , "Zhang, Tao1" References: <3cd3b448-e0c7-4408-8a8b-e08bb3b350c3@zytor.com> <20250527174612.ml4raiueqdophhxl@desk> Content-Language: en-US From: Xin Li Autocrypt: addr=xin@zytor.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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...