From: Peter Zijlstra <peterz@infradead.org>
To: Corentin Labbe <clabbe.montjoie@gmail.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
pjones@redhat.com, deller@gmx.de, linux-fbdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: Cannot boot an i386-UEFI thinkpad lenovo tablet-2
Date: Tue, 9 May 2023 08:49:24 +0200 [thread overview]
Message-ID: <20230509064924.GB2065796@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <ZFnoXiZGGhuWDl2S@Red>
On Tue, May 09, 2023 at 08:29:50AM +0200, Corentin Labbe wrote:
> The bios speak about a debug port, but I found nothing which seems a
> physical debug port output. I tried to wire the microusb power port
> on a USB host, but the host fail to enumerate any device (I tried also
> a spetial USB cable with data/power separated to be sure the problem
> was not the host failling to give enough power)
>
> The tablet has only one port, so I use a hub for keyboard and USB key.
USB debug port is probably that one port, USB debug also does not work
through a hub :/
USB debug in general is a giant pain in the rear and I've never had much
luck with is. If it's that old to still need a i386 kernel then it's
probably USB2 at best and that requires a special magical cable too :-(
next prev parent reply other threads:[~2023-05-09 6:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-09 6:29 Corentin Labbe
2023-05-09 6:49 ` Peter Zijlstra [this message]
2023-05-09 14:01 ` Dave Hansen
2023-05-09 20:37 ` Corentin Labbe
2023-05-09 20:48 ` Dave Hansen
2023-05-12 11:47 ` Corentin Labbe
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