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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 211807] New: [drm:drm_dp_mst_dpcd_read] *ERROR* mstb 000000004e6288dd port 3: DPCD read on addr 0x60 for 1 bytes NAKed
Date: Tue, 16 Feb 2021 20:53:41 +0000	[thread overview]
Message-ID: <bug-211807-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=211807

            Bug ID: 211807
           Summary: [drm:drm_dp_mst_dpcd_read] *ERROR* mstb
                    000000004e6288dd port 3: DPCD read on addr 0x60 for 1
                    bytes NAKed
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.10.16
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: low
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: kernelbugs@equaeghe.nospammail.net
        Regression: No

In my logs, I see the following error:


[drm:drm_dp_mst_dpcd_read] *ERROR* mstb 000000004e6288dd port 3: DPCD read on
addr 0x60 for 1 bytes NAKed


It has not caused any detected issues, but I guess that if the kernel complains
this loudy, it is good to report it.

This is on a laptop with a Ryzen Pro 4750U APU. I custom-build the kernel, so
do not hesitate to request changing some config options to investigate.

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             reply	other threads:[~2021-02-16 20:53 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-16 20:53 bugzilla-daemon [this message]
2021-04-25  2:50 ` [Bug 211807] [drm:drm_dp_mst_dpcd_read] *ERROR* mstb 000000004e6288dd port 3: DPCD read on addr 0x60 for 1 bytes NAKed bugzilla-daemon
2021-07-20 12:19 ` bugzilla-daemon
2021-08-27 22:02 ` bugzilla-daemon
2021-09-16 21:48 ` bugzilla-daemon
2021-09-16 21:49 ` bugzilla-daemon
2021-09-17 19:09 ` bugzilla-daemon
2021-09-17 19:13 ` bugzilla-daemon
2021-09-17 20:55 ` bugzilla-daemon
2021-09-18 11:59 ` bugzilla-daemon
2021-09-18 12:56 ` bugzilla-daemon
2021-10-23 21:03 ` bugzilla-daemon
2021-10-26  9:27 ` bugzilla-daemon
2021-10-26 13:09 ` bugzilla-daemon
2021-11-19 12:25 ` bugzilla-daemon
2021-11-19 14:35 ` bugzilla-daemon
2021-11-23 15:48 ` bugzilla-daemon
2021-11-24 13:22 ` bugzilla-daemon
2021-12-13 11:22 ` bugzilla-daemon
2021-12-13 11:23 ` bugzilla-daemon
2022-03-13  8:08 ` bugzilla-daemon
2022-04-07 15:48 ` bugzilla-daemon
2022-07-30 16:29 ` bugzilla-daemon
2022-08-03 15:31 ` bugzilla-daemon

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