From: Bagas Sanjaya <bagasdotme@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Johan Hovold <johan@kernel.org>,
primalmotion <primalmotion@pm.me>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux USB <linux-usb@vger.kernel.org>
Subject: Re: Fwd: unable to boot when monitor is attached
Date: Fri, 22 Sep 2023 14:18:18 +0700 [thread overview]
Message-ID: <ZQ0_upwsFTIduIRQ@debian.me> (raw)
In-Reply-To: <5eb57bfe-94a4-136b-497e-deeb31846db1@gmail.com>
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On Fri, Jul 07, 2023 at 07:10:13AM +0700, Bagas Sanjaya wrote:
> Hi,
>
> I notice a regression report on Bugzilla [1]. Quoting from it:
>
> >
> > In the latest 6.3 and 6.4, it is impossible for me to boot my laptop if my DELL U2720Q monitor is plugged in (USB-C). I have to unplug it, then boot. As soon as the first second of boot went through, I can plug in my monitor and there is no issue afterward. There is no issue waking up after suspend. Only when it boots.
> >
> > See the attached pictures of the trace. The trace itself seems random (at least to me :)). I tried several things, like removing any attached USB devices from the monitor built-in USB-hub, but that does not change anything. (there is a keyboard and trackpad attached).
>
> See Bugzilla for the full thread.
>
> Unfortunately, the reporter can only provide photos of kernel trace
> (as he doesn't have any other means to extract kernel logs, maybe
> connecting over serial helps; see Bugzilla for these attachments).
>
> Anyway, I'm adding it to regzbot so that it doesn't fall through
> cracks unnoticed:
>
> #regzbot introduced: v6.1..v6.3 https://bugzilla.kernel.org/show_bug.cgi?id=217637
> #regzbot title: unable to boot with Dell U2720Q monitor attached
>
A PureBoot developer noted that this regression is firmware bug
(see Bugzilla), thus:
#regzbot inconclusive: firmware bug, fixing the kernel only workarounds buggy firmware
Thanks.
--
An old man doll... just what I always wanted! - Clara
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prev parent reply other threads:[~2023-09-22 7:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 0:10 Fwd: unable to boot when monitor is attached Bagas Sanjaya
2023-07-07 0:45 ` Dr. David Alan Gilbert
2023-07-07 1:48 ` Randy Dunlap
2023-09-22 7:18 ` Bagas Sanjaya [this message]
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