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From: Lukas Wunner <lukas@wunner.de>
To: Mario.Limonciello@dell.com
Cc: mika.westerberg@linux.intel.com, linux-kernel@vger.kernel.org,
	andreas.noever@gmail.com, michael.jamet@intel.com,
	YehezkelShB@gmail.com, rjw@rjwysocki.net, lenb@kernel.org,
	anthony.wong@canonical.com, rajmohan.mani@intel.com,
	raanan.avargil@intel.com, David.Laight@ACULAB.COM,
	linux-acpi@vger.kernel.org
Subject: Re: [PATCH v3 0/8] thunderbolt: Intel Ice Lake support
Date: Tue, 20 Aug 2019 13:34:04 +0200
Message-ID: <20190820113404.pm6qvqakdkcwdpat@wunner.de> (raw)
In-Reply-To: <5486107424db48f2a06ed4c8a81f75b0@AUSX13MPC101.AMER.DELL.COM>

On Mon, Aug 19, 2019 at 04:29:35PM +0000, Mario.Limonciello@dell.com wrote:
> I've run into a problem when using
> a WD19TB that after unplugging it will cause the following to spew in dmesg:
> 
> [ 2198.017003] ============================================
> [ 2198.017005] WARNING: possible recursive locking detected
> [ 2198.017008] 5.3.0-rc5+ #75 Not tainted
> [ 2198.017009] --------------------------------------------
> [ 2198.017012] irq/122-pciehp/121 is trying to acquire lock:
> [ 2198.017015] 00000000801d4de8 (&ctrl->reset_lock){.+.+}, at: pciehp_check_presence+0x1b/0x80
> [ 2198.017026] 
>                but task is already holding lock:
> [ 2198.017028] 000000000899e2eb (&ctrl->reset_lock){.+.+}, at: pciehp_ist+0xaf/0x1c0

This was first reported by Theodore in April and appears to be a
false positive:

https://lore.kernel.org/linux-pci/20190402083257.kyqmirq4ovzscxsv@wunner.de/

Thanks,

Lukas

  parent reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 11:22 Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 1/8] thunderbolt: Correct path indices for PCIe tunnel Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 2/8] thunderbolt: Move NVM upgrade support flag to struct icm Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 3/8] thunderbolt: Use 32-bit writes when writing ring producer/consumer Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 4/8] thunderbolt: Do not fail adding switch if some port is not implemented Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 5/8] thunderbolt: Hide switch attributes that are not set Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 6/8] thunderbolt: Expose active parts of NVM even if upgrade is not supported Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 7/8] thunderbolt: Add support for Intel Ice Lake Mika Westerberg
2019-08-19 11:22 ` [PATCH v3 8/8] ACPI / property: Add two new Thunderbolt property GUIDs to the list Mika Westerberg
2019-08-19 16:29 ` [PATCH v3 0/8] thunderbolt: Intel Ice Lake support Mario.Limonciello
2019-08-19 17:57   ` Mika Westerberg
2019-08-19 18:22     ` Mario.Limonciello
2019-08-19 19:36       ` Mario.Limonciello
2019-08-20 10:01         ` Mika Westerberg
2019-08-20 11:34   ` Lukas Wunner [this message]
2019-08-20 17:00     ` Mario.Limonciello
2019-08-26  9:20 ` Mika Westerberg

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