linux-kernel - Re: Hung tasks due to a AB-BA deadlock between the leds_list

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Message-ID: <5d037003-a90b-4607-8eb6-6fdd5824e373@redhat.com>
Date: Fri, 7 Jun 2024 12:19:56 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>
Cc: Linux regressions mailing list <regressions@...ts.linux.dev>,
 Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
 Linux LEDs <linux-leds@...r.kernel.org>,
 Heiner Kallweit <hkallweit1@...il.com>, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, johanneswueller@...il.com,
 "Russell King (Oracle)" <linux@...linux.org.uk>,
 Genes Lists <lists@...ience.com>
Subject: Re: Hung tasks due to a AB-BA deadlock between the leds_list_lock
 rwsem and the rtnl mutex

Hi,

On 6/6/24 3:39 PM, Jakub Kicinski wrote:
> On Thu, 6 Jun 2024 15:12:54 +0200 Andrew Lunn wrote:
>>> So it has been almost a week and no reply from Heiner. Since this is
>>> causing real issues for users out there I think a revert of 66601a29bb23
>>> should be submitted to Linus and then backported to the stable kernels.
>>> to fix the immediate issue at hand.  
>>
>> Agreed.
> 
> Please submit..

Done: https://lore.kernel.org/linux-leds/20240607101847.23037-1-hdegoede@redhat.com/

Regards,

Hans