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From: Alex Guzman <alex@guzman.io>
To: linux-integrity@vger.kernel.org
Subject: Re: Debugging errors with Dell XPS 9560 TPM
Date: Fri, 14 Feb 2020 10:32:37 -0800
Message-ID: <CAJ7-PMbJ5fiQAj-5QAzAcFW0eMNkxpQSs=r_wUEfED33XZAPDg@mail.gmail.com> (raw)
In-Reply-To: <CAJ7-PMaLw_H8Fc1tyoT95f5EWpS3nvJt1Wx9=xpuiSotJ2h9VA@mail.gmail.com>

Looks like someone had a look on the bug tracker
(https://bugzilla.kernel.org/show_bug.cgi?id=206275#c6)
and they figure it's definitely a regression in the kernel and should
be reverted or rectified. They advised me to come ping here once more.


- Alex

On Sat, Feb 1, 2020 at 4:19 PM Alex Guzman <alex@guzman.io> wrote:
>
> Hey there! I reported a bug on the bug tracker a bit ago but haven't
> seen any movement, so I figured I'd drop in here. My XPS 9560 has been
> having issues with its TPM, and all commands will fail with error 1
> when operating on the TPM device. I managed to bisect it back to
> commit 4d6ebc4c4950595414722dfadd0b361f5a05d37e (tpm: fix invalid
> locking in NONBLOCKING mode) though it began failing with error 14
> (bad address) at that point.
>
> I reported the bug at
> https://bugzilla.kernel.org/show_bug.cgi?id=206275 and attached some
> dmesg logs from boot there. Does anyone have any suggestions for
> additional debugging or such to figure out what's happening here?
>
> - Alex

  reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-02  0:19 Alex Guzman
2020-02-14 18:32 ` Alex Guzman [this message]
2020-02-14 20:29   ` James Bottomley
2020-02-14 21:02     ` Jerry Snitselaar
2020-02-14 21:04       ` James Bottomley
2020-02-15  1:47         ` Alex Guzman
2020-02-18 17:52           ` Tadeusz Struk
2020-02-18 17:52           ` Tadeusz Struk

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