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From: Thorsten Leemhuis <regressions@leemhuis.info>
To: Venkat Rao Bagalkote <venkat88@linux.ibm.com>,
	Mukesh Kumar Chaurasiya <mkchauras@gmail.com>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Linux kernel regressions list <regressions@lists.linux.dev>
Subject: Re: [REGRESSION] Power9 pseries boot hang in v7.2-rc6, narrowed to PowerPC GENERIC_ENTRY conversion window
Date: Thu, 3 Sep 2026 13:22:35 +0200	[thread overview]
Message-ID: <985770a7-e488-456a-a9fa-aa71f1cbafd5@leemhuis.info> (raw)
In-Reply-To: <2f7e6c34-7258-4b20-a38e-cedebccb835f@linux.ibm.com>

On 8/12/26 07:16, Venkat Rao Bagalkote wrote:
> On 11/08/26 6:16 pm, Mukesh Kumar Chaurasiya wrote:
>> On Tue, Aug 11, 2026 at 11:37:45AM +0530, Mukesh Kumar Chaurasiya wrote:
>>> On Mon, Aug 10, 2026 at 05:19:27PM +0530, Venkat Rao Bagalkote wrote:
>>>> On 04/08/26 8:23 pm, Shrikanth Hegde wrote:
>>>>> On 8/4/26 2:04 PM, Venkat Rao Bagalkote wrote:
>>>>>>
>>>>>> I'm seeing a boot regression on a Power9 pseries LPAR. The system
>>>>>> hangs very early during boot after:
>>>>>>
>>>>>> Quiescing Open Firmware ...
>>>>>> Booting Linux via __start() ...
>>>>>>
>>>>> That is strange. not sure where to look at without any logs.
>>>>> Is it a specific config that fails or this specific LPAR that fails?
>>>>>
>>> Is this a specific lpar or all power9 pseries are exhibiting same
>>> behaviour?
> Its specific to a lpar.
>>
>> Can you try the below fix?
> [...]
>
> I tired this fix, but issue still persists.
This regression made it to my list of tracked regression -- and it looks
like this stalled. Is that the case? Or was this resolved meanwhile?

Ciao, Thorsten

  reply	other threads:[~2026-09-03 11:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-04  8:34 Venkat Rao Bagalkote
2026-08-04 14:53 ` Shrikanth Hegde
2026-08-10 11:49   ` Venkat Rao Bagalkote
2026-08-11  6:07     ` Mukesh Kumar Chaurasiya
2026-08-11 12:46       ` Mukesh Kumar Chaurasiya
2026-08-12  5:16         ` Venkat Rao Bagalkote
2026-09-03 11:22           ` Thorsten Leemhuis [this message]
2026-09-04  5:43             ` Mukesh Kumar Chaurasiya
2026-09-04 15:22               ` Thorsten Leemhuis

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