From: bugzilla-daemon@kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 217960] New: Linux 6.5.5 - kernel BUG with ucsi_acpi
Date: Sun, 01 Oct 2023 12:43:35 +0000 [thread overview]
Message-ID: <bug-217960-208809@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=217960
Bug ID: 217960
Summary: Linux 6.5.5 - kernel BUG with ucsi_acpi
Product: Drivers
Version: 2.5
Hardware: Intel
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: USB
Assignee: drivers_usb@kernel-bugs.kernel.org
Reporter: alxchk@gmail.com
Regression: No
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
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next reply other threads:[~2023-10-01 12:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-01 12:43 bugzilla-daemon [this message]
2023-10-01 12:43 ` [Bug 217960] Linux 6.5.5 - kernel BUG with ucsi_acpi bugzilla-daemon
2023-10-01 12:44 ` bugzilla-daemon
2023-10-01 14:06 ` bugzilla-daemon
2023-10-01 14:25 ` bugzilla-daemon
2023-10-01 14:25 ` bugzilla-daemon
2023-10-01 23:40 ` bugzilla-daemon
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