Thread (6 messages) flat view 6 messages, 4 authors, 2021-03-03

Re: Lockdep warning in iwl_pcie_rx_handle()

From: Johannes Berg <johannes@sipsolutions.net>
Date: 2021-03-02 07:09:09
Also in: lkml

Possibly related (same subject, not in this thread)

Hi Jiri,
I am getting the splat below with Linus' tree as of today (5.11-rc1, 
fe07bfda2fb). I haven't started to look into the code yet, but apparently 
this has been already reported by Heiner here:

	https://www.spinics.net/lists/linux-wireless/msg208353.html

so before I start digging deep into it (the previous kernel this 
particular machine had is 5.9, so I'd rather avoid lenghty bisect for now 
in case someone has already looked into it and has ideas where the problem 
is), I thought I'd ask whether this has been root-caused elsewhere 
already.
Yeah, I'm pretty sure we have a fix for this, though I'm not sure right
now where it is in the pipeline.

It's called "iwlwifi: pcie: don't add NAPI under rxq->lock" but right
now I can't find it in any of the public archives.

johannes
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