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From: Marc MERLIN <marc@merlins.org>
To: Heiner Kallweit <hkallweit1@gmail.com>
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: Sun, 24 Dec 2023 08:30:43 -0800	[thread overview]
Message-ID: <20231224163043.GA6759@merlins.org> (raw)
In-Reply-To: <20231215174634.GA10053@merlins.org>

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
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
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
 
Home page: http://marc.merlins.org/                       | PGP 7F55D5F27AAF9D08
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WARNING: multiple messages have this Message-ID (diff)
From: Marc MERLIN <marc@merlins.org>
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	netdev@vger.kernel.org,
	"intel-wired-lan@lists.osuosl.org"
	<intel-wired-lan@lists.osuosl.org>
Subject: Re: [PATCH net v3] net: ethtool: do runtime PM outside RTNL
Date: Sun, 24 Dec 2023 08:30:43 -0800	[thread overview]
Message-ID: <20231224163043.GA6759@merlins.org> (raw)
In-Reply-To: <20231215174634.GA10053@merlins.org>

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
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
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
 
Home page: http://marc.merlins.org/                       | PGP 7F55D5F27AAF9D08

  reply	other threads:[~2023-12-26 16:30 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-06 10:39 [PATCH net v3] net: ethtool: do runtime PM outside RTNL Johannes Berg
2023-12-06 16:44 ` Jakub Kicinski
2023-12-06 16:46   ` Johannes Berg
2023-12-06 21:39     ` Marc MERLIN
2023-12-07 10:16     ` [Intel-wired-lan] " Przemek Kitszel
2023-12-07 10:16       ` Przemek Kitszel
2023-12-07 17:40       ` [Intel-wired-lan] " Jakub Kicinski
2023-12-07 17:40         ` Jakub Kicinski
2023-12-11  4:52         ` [Intel-wired-lan] " Marc MERLIN
2023-12-11  4:52           ` Marc MERLIN
2023-12-15 13:42           ` [Intel-wired-lan] " Heiner Kallweit
2023-12-15 13:42             ` Heiner Kallweit
2023-12-15 17:46             ` [Intel-wired-lan] " Marc MERLIN
2023-12-15 17:46               ` Marc MERLIN
2023-12-24 16:30               ` Marc MERLIN [this message]
2023-12-24 16:30                 ` Marc MERLIN
2023-12-24 23:12                 ` [Intel-wired-lan] " Heiner Kallweit
2023-12-24 23:12                   ` Heiner Kallweit
2023-12-25  8:03                   ` [Intel-wired-lan] " Sasha Neftin
2023-12-25  8:03                     ` Sasha Neftin
2023-12-25 11:21                     ` Marc MERLIN
2023-12-25 11:21                       ` Marc MERLIN
2024-01-03 10:30   ` Stanislaw Gruszka
2024-01-03 11:24     ` Heiner Kallweit
2024-01-03 12:15       ` Stanislaw Gruszka
2024-01-03 23:34     ` Jakub Kicinski
2024-01-04  8:25       ` Stanislaw Gruszka
2024-01-04  9:05         ` Heiner Kallweit
2024-01-04 16:16           ` Jakub Kicinski
2024-01-05 11:53             ` Stanislaw Gruszka
2024-01-05 15:30               ` Jakub Kicinski
2024-01-05 16:29                 ` Stanislaw Gruszka
2024-01-06  3:02                   ` Jakub Kicinski
2024-01-08 11:18                     ` Stanislaw Gruszka
2024-01-05 10:34           ` Stanislaw Gruszka

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