Thread (7 messages) 7 messages, 4 authors, 2020-09-01

RE: Lockdep warning caused by "driver core: Fix sleeping in invalid context during device link deletion"

From: Aisheng Dong <aisheng.dong@nxp.com>
Date: 2020-08-24 08:19:02
Also in: lkml

From: Saravana Kannan <redacted>
Sent: Saturday, August 22, 2020 2:28 AM

On Thu, Aug 20, 2020 at 8:50 PM Dong Aisheng [off-list ref]
wrote:
quoted
Hi ALL,

We met the below WARNING during system suspend on an iMX6Q SDB board
with the latest linus/master branch (v5.9-rc1+) and next-20200820.
v5.8 kernel is ok. So i did bisect and finally found it's caused by
the patch below.
Reverting it can get rid of the warning, but I wonder if there may be
other potential issues.
Any ideas?
Thanks for the report. I'll look into this more closely after Linux Plumbers (next
week). We can't just revert the patch you pointed out because it's fixing another
locking issue.
Thanks. Pls have me CCed when you send out patches.
I'd love to test it.

Regards
Aisheng
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