Re: stable v6.6.24 regression: boot fails: bisected to "x86/mpparse: Register APIC address only once"

[Wolfgang Walter <linux@stwm.de>]

Am 2024-04-04 17:57, schrieb Greg Kroah-Hartman:
> On Thu, Apr 04, 2024 at 02:07:11PM +0200, Wolfgang Walter wrote:
>> Hello,
>> 
>> after upgrading to v6.6.24 from v6.6.23 some old boxes (i686; Intel 
>> Celeron
>> M) stop to boot:
>> 
>> They hang after:
>> 
>> Decompressing Linux... Parsing ELF... No relocation needed... done.
>> Booting the kernel (entry_offset: 0x00000000).
>> 
>> After some minutes they reboot.
>> 
>> I bisected this down to
>> 
>> commit bebb5af001dc6cb4f505bb21c4d5e2efbdc112e2
>> Author: Thomas Gleixner <tglx@linutronix.de>
>> Date:   Fri Mar 22 19:56:39 2024 +0100
>> 
>>     x86/mpparse: Register APIC address only once
>> 
>>     [ Upstream commit f2208aa12c27bfada3c15c550c03ca81d42dcac2 ]
>> 
>>     The APIC address is registered twice. First during the early 
>> detection
>> and
>>     afterwards when actually scanning the table for APIC IDs. The APIC 
>> and
>>     topology core warn about the second attempt.
>> 
>>     Restrict it to the early detection call.
>> 
>>     Fixes: 81287ad65da5 ("x86/apic: Sanitize APIC address setup")
>>     Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>>     Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
>>     Tested-by: Guenter Roeck <linux@roeck-us.net>
>>     Link: 
>> https://lore.kernel.org/r/20240322185305.297774848@linutronix.de
>>     Signed-off-by: Sasha Levin <sashal@kernel.org>
>> 
>> 
>> Reverting this commit in v6.6.24 solves the problem.
> 
> Is this also an issue in 6.9-rc1 or newer or 6.8.3 or newer?
> 

It is not an issue with 6.9-rc1. 6.9-rc1 just boots fine.

Regards,
-- 
Wolfgang Walter
Studierendenwerk München Oberbayern
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