From: Heiner Kallweit <hkallweit1@gmail.com>
To: Marc MERLIN <marc@merlins.org>
Cc: Jakub Kicinski <kuba@kernel.org>,
Johannes Berg <johannes@sipsolutions.net>,
netdev@vger.kernel.org,
"intel-wired-lan@lists.osuosl.org"
<intel-wired-lan@lists.osuosl.org>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>
Subject: Re: [Intel-wired-lan] [PATCH net v3] net: ethtool: do runtime PM outside RTNL
Date: Mon, 25 Dec 2023 00:12:06 +0100 [thread overview]
Message-ID: <5ca7edbb-cf61-45b2-b9ba-888cb157ecbb@gmail.com> (raw)
In-Reply-To: <20231224163043.GA6759@merlins.org>
On 24.12.2023 17:30, Marc MERLIN wrote:
> On Fri, Dec 15, 2023 at 09:46:34AM -0800, Marc MERLIN wrote:
>> On Fri, Dec 15, 2023 at 02:42:01PM +0100, Heiner Kallweit wrote:
>>> Why don't you simply disable runtime pm for the affected device as a
>>> workaround? This can be done via sysfs.
>>
>> 1) because I didn't know what the exact bug was and how to work around it :)
>
> Mmmh, so I need to test an ubuntu kernel (6.5.0-14) because of sound
> issues in mainline TOT, and I can't boot the kernel to completion
> without hititng this hang bug. I'm not exactly sure which part of the
> boot triggers it.
>
> I can't patch that kernel easily. How exactly do I disable runtime PM
> from the kernel command line for "that device" which I'm not even sure
Change <device>/power/control from "auto" to "on".
> which one it is. If it's the eth device, I already removed the igc
> module to prevent it from loading, and I also removed the ethtool
> binary, but I'm still getting the hang.
>
> On the plus side, with 6.6.8 and the old patch which I understand is not
> the ideal solution, I can confirm that I've been running problem free
> until now, so thanks again for that interim patch.
>
> Thanks,
> Marc
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next prev parent reply other threads:[~2023-12-24 23:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20231206113934.8d7819857574.I2deb5804ef1739a2af307283d320ef7d82456494@changeid>
[not found] ` <20231206084448.53b48c49@kernel.org>
[not found] ` <e6f227ee701e1ee37e8f568b1310d240a2b8935a.camel@sipsolutions.net>
2023-12-07 10:16 ` [Intel-wired-lan] [PATCH net v3] net: ethtool: do runtime PM outside RTNL Przemek Kitszel
2023-12-07 17:40 ` Jakub Kicinski
2023-12-11 4:52 ` Marc MERLIN
2023-12-15 13:42 ` Heiner Kallweit
2023-12-15 17:46 ` Marc MERLIN
2023-12-24 16:30 ` Marc MERLIN
2023-12-24 23:12 ` Heiner Kallweit [this message]
2023-12-25 8:03 ` Sasha Neftin
2023-12-25 11:21 ` Marc MERLIN
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