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From: Alex Guzman <alex@guzman.io>
To: linux-integrity@vger.kernel.org
Subject: Debugging errors with Dell XPS 9560 TPM
Date: Sat, 1 Feb 2020 16:19:01 -0800	[thread overview]
Message-ID: <CAJ7-PMaLw_H8Fc1tyoT95f5EWpS3nvJt1Wx9=xpuiSotJ2h9VA@mail.gmail.com> (raw)

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	other threads:[~2020-02-02  0:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-02  0:19 Alex Guzman [this message]
2020-02-14 18:32 ` Debugging errors with Dell XPS 9560 TPM Alex Guzman
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
2020-02-19 20:32             ` Alex Guzman
2020-02-18 17:52           ` Tadeusz Struk

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