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From: Hans de Goede <hdegoede@redhat.com>
To: Genes Lists <lists@sapience.com>,
	Jakub Kicinski <kuba@kernel.org>, Andrew Lunn <andrew@lunn.ch>
Cc: Linux regressions mailing list <regressions@lists.linux.dev>,
	Pavel Machek <pavel@ucw.cz>, Lee Jones <lee@kernel.org>,
	Linux LEDs <linux-leds@vger.kernel.org>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
	johanneswueller@gmail.com,
	"Russell King (Oracle)" <linux@armlinux.org.uk>
Subject: Re: Hung tasks due to a AB-BA deadlock between the leds_list_lock rwsem and the rtnl mutex
Date: Fri, 7 Jun 2024 12:22:32 +0200	[thread overview]
Message-ID: <dfb48278-8b7b-401d-ae8e-579d80e3c258@redhat.com> (raw)
In-Reply-To: <d47dcc8b4e429c676db7ad6daf8024a97f725582.camel@sapience.com>

Hi Gene,

On 6/6/24 4:25 PM, Genes Lists wrote:
> On Thu, 2024-06-06 at 06:39 -0700, 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..
> 
> I assume this deadlock is unrelated to the filesystem stalls reported here:
> 
>    https://lore.kernel.org/lkml/da8710eddca32677cf3c195000416121045eb811.camel@sapience.com/ <https://lore.kernel.org/lkml/da8710eddca32677cf3c195000416121045eb811.camel@sapience.com/>

Right that one is unrelated, but the revert which I just submitted should
fix your other report:

https://lore.kernel.org/all/9d189ec329cfe68ed68699f314e191a10d4b5eda.camel@sapience.com/

I believe you have already worked around that one by blacklisting
the ledtrig-netdev module.

Regards,

Hans




  reply	other threads:[~2024-06-07 10:22 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-30 12:53 6.9.3 Hung tasks Genes Lists
2024-05-30 13:36 ` Genes Lists
2024-05-30 14:04   ` Russell King (Oracle)
2024-05-30 16:23     ` Genes Lists
2024-05-31  8:39     ` Hung tasks due to a AB-BA deadlock between the leds_list_lock rwsem and the rtnl mutex (was: 6.9.3 Hung tasks) Linux regression tracking (Thorsten Leemhuis)
2024-05-31  9:50       ` Hung tasks due to a AB-BA deadlock between the leds_list_lock rwsem and the rtnl mutex Hans de Goede
2024-05-31 10:22         ` Hans de Goede
2024-06-01 20:05           ` Hans de Goede
2024-05-31 11:55         ` Genes Lists
2024-05-31 12:54         ` Andrew Lunn
2024-05-31 13:11           ` Hans de Goede
2024-05-31 13:29             ` Andrew Lunn
2024-05-31 13:36               ` Hans de Goede
2024-06-06 12:01           ` Hans de Goede
2024-06-06 13:12             ` Andrew Lunn
2024-06-06 13:39               ` Jakub Kicinski
2024-06-06 14:25                 ` Genes Lists
2024-06-07 10:22                   ` Hans de Goede [this message]
2024-06-07 11:27                     ` Genes Lists
2024-06-07 10:19                 ` Hans de Goede
2024-06-24 19:57           ` Heiner Kallweit

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