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Date:   Mon, 2 Oct 2023 07:11:08 +0700
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To:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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Cc:     Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        =?UTF-8?Q?Samuel_=C4=8Cavoj?= <samuel@cavoj.net>,
        Hans de Goede <hdegoede@redhat.com>,
        =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>,
        Oleksii Shevchuk <alxchk@gmail.com>
From:   Bagas Sanjaya <bagasdotme@gmail.com>
Subject: Fwd: Linux 6.5.5 - kernel BUG with ucsi_acpi
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Hi,

I notice a regression report on Bugzilla [1]. Quoting from it:

> After update to linux 6.5.5 I observed several crashes during bootup when USB drive connected to USB-C hub. To find out what has been crashed I enabled EFI pstore. Unfortunately there were no crashes after that. However, there are kernel BUG traces in dmesg. After several experiments I found strong correlation between ucsi_acpi driver and the crash.
> 
> I blacklisted:
> blacklist typec_ucsi
> blacklist ucsi_acpi
> blacklist roles
> blacklist typec
> 
> Two dmesgs are in attachment. 
> 
> The messages to search:
> ucsi_acpi USBC000:00: possible UCSI driver bug 2
> ucsi_acpi USBC000:00: error -EINVAL: PPM init failed

See Bugzilla for the full thread.

Anyway, I'm adding this regression to regzbot:

#regzbot introduced: v6.4..v6.5 https://bugzilla.kernel.org/show_bug.cgi?id=217960
#regzbot title: ucsi_acpi boot crash when USB drive is connected to USB-C port

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=217960

-- 
An old man doll... just what I always wanted! - Clara