linux-kernel - Re: [GIT PULL] sound updates for 4.21

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Date:   Fri, 4 Jan 2019 20:12:44 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Azat Khuzhin <dohardgopro@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] sound updates for 4.21


On 1/4/19 6:34 PM, Azat Khuzhin wrote:
>> This is unfortunately a known issue with this driver, Takashi and I had
>> a couple of email threads on this. Even without errors removing the
>> module doesn't seem to release all resources. I don't like this at all,
>> and for the Sound Open Firmware (SOF) driver I mandated module
>> load-unload as a functional requirement along with zero warnings w/
>> Sparse, Coccinelle and friends, but on this legacy code I am afraid
>> there is no simple fix - at least not in a merge window or a single
>> kernel cycle.
> And the fact that kernel crashes after?
> Just want extra confirmation
The kernel crash is related to an HDMI issue that we haven't been able 
to reproduce on our development and validation devices so far but that's 
not an excuse and we do need to figure it out. Things work e.g. fine 
with the KBL Dell XPS13 but not on Linus' SKL Dell XPS13 device, so I'll 
get one and will also work on additional devices remotely.