linux-kernel - Re: Bug#1103397: linux-image-amd64: Kernel Panic: copy_fpstate_to

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Message-ID: <acfbdc87-5146-4c39-831f-70b132f9f4b0@zhaoxin.com>
Date: Fri, 9 May 2025 16:31:05 +0800
From: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
To: Larry Wei <larryw3i@...h.net>, Salvatore Bonaccorso <carnil@...ian.org>,
	<1103397@...s.debian.org>
CC: Ben Hutchings <ben@...adent.org.uk>, "Chang S. Bae"
	<chang.seok.bae@...el.com>, Lyle Li <LyleLi@...oxin.com>,
	<tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
	<dave.hansen@...ux.intel.com>, <x86@...nel.org>, <hpa@...or.com>,
	<aruna.ramakrishna@...cle.com>, <pbonzini@...hat.com>,
	<levymitchell0@...il.com>, <attofari@...zon.de>,
	<linux-kernel@...r.kernel.org>, <CobeChen@...oxin.com>, <TimGuo@...oxin.com>,
	<LeoLiu-oc@...oxin.com>, <GeorgeXue@...oxin.com>, <yunshen@...oxin.com>,
	<AlanSong@...oxin.com>
Subject: Re: Bug#1103397: linux-image-amd64: Kernel Panic:
 copy_fpstate_to_sigframe crashes.



On 2025/5/9 11:49, Larry Wei wrote:
> 
> 
> [这封邮件来自外部发件人 谨防风险]
> 
> Salvatore Bonaccorso,
> 
> Yes, let's just consider it as good. But in fact, there are still many
> problems, such as the one mentioned above (
> linux-hardware.org/?probe=271fabb7a4&log=dmesg ), and almost all laptops
> using Zhaoxin CPUs cannot adjust the backlight brightness, which is
> **VERY HARMFUL** to the eyes!

Dear Larry,

We are currently investigating the causes of the WARNING messages you 
mentioned in this log:
[    4.141284] ------------[ cut here ]------------
[    4.141285] alg: self-tests for sha1 using sha1-padlock-nano failed 
(rc=-22)
[    4.141302] WARNING: CPU: 2 PID: 657 at crypto/testmgr.c:5865 
alg_test.cold+0xb7/0xe0

Regarding the inability to adjust the laptop backlight brightness, we 
believe this issue is unlikely related to the CPU itself. It is 
recommended to contact the laptop manufacturer to confirm whether the 
device supports backlight brightness adjustment and inquire about 
specific configuration methods, such as installing specific EC 
controller drivers or updating graphics card drivers.

BRs!
TonyWWang-oc
> 
> Regards,
> 
> larryw3i
> 
> On 5/9/25 04:15, Salvatore Bonaccorso wrote:
>> Did this felt through the cracks?
>