linux-kernel - Re: [PATCH] firmware_loader: Use init

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Message-ID: <a07db8f8-39f8-44ad-b466-10ac02f3da13@oracle.com>
Date: Wed, 28 Feb 2024 12:31:42 +0000
From: John Garry <john.g.garry@...cle.com>
To: Luis Chamberlain <mcgrof@...nel.org>
Cc: russ.weight@...ux.dev, gregkh@...uxfoundation.org, rafael@...nel.org,
        linux-kernel@...r.kernel.org, masahiroy@...nel.org
Subject: Re: [PATCH] firmware_loader: Use init_utsname()->release

On 27/02/2024 13:50, Luis Chamberlain wrote:
> On Tue, Feb 27, 2024 at 01:02:26PM +0000, John Garry wrote:
>> On 27/02/2024 12:59, Luis Chamberlain wrote:
>>> What kernel are you seeing this issue on?
>> I was testing v6.8-rc5 last week
> I cannot reproduce a hung task there either on that kernel.
> 
> I see this:
> 
> sysfs: cannot create duplicate filename '/devices/virtual/misc/test_firmware/nope-test-firmware.bin'
> 
> But these are expected as the selftests tries silly things to ensure
> they are not allowed.
> 
> If you can reproduce it there, it would be appreciated if you look underneath
> the hood a bit, or share anything glaring and obvious which may help
> reproduce this.

Update: commenting-out /lib/udev/rules.d/50-firmware.rules seems to make 
the test reliably pass for v6.8-rc5, but not with my patch on top - I 
still get a hang there. I'll investigate that hang with my patch.

Thanks,
John