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[Sand] Unable to turn ON device after AU from M66 to M65 |
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Issue descriptionAU from M66(10452.42.0) beta to M65(10323.67.0) Stable Please specify Cr-* of the system to which this bug/feature applies (add the label below). Steps To Reproduce: (1) Perform AU from M66(10452.42.0) beta to M65(10323.67.0) Stable (2) Reboot after successful update. (3) Expected Result: Should reboot the device. Actual Result: After reboot failed to turn On device. How frequently does this problem reproduce? (Always, sometimes, hard to reproduce?) Always. What is the impact to the user, and is there a workaround? If so, what is it? Please provide any additional information below. Attach a screen shot or log if possible. For graphics-related bugs, please copy/paste the contents of the about:gpu page at the end of this report.
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Apr 4 2018
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Apr 4 2018
M65 FW : Google_Sand.9042.140.0 M66 FW : Google_Sand.9042.178.0
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Apr 4 2018
I don't see any Sand specific changes, any chance this is related to https://chromium-review.googlesource.com/#/c/chromiumos/overlays/chromiumos-overlay/+/979294/ ? https://crosland.corp.google.com/log/10323.62.0..10323.67.0
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Apr 4 2018
No issue AU from M65-10323.62.0 to M65-10323.67.0 but if you AU M66(beta) to M65(stable) then will see this issue.
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Apr 4 2018
The patch in #4 is not at all likely to be at fault, what it was causing was failure to update Cr50 during post-install. When looking at #1: what does "After reboot failed to turn On device" - did the device fall into recovery or did it show no signs of life at all, black screen and all? How do you recover the device after this failure to see if the problem is reproducible?
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Apr 4 2018
Power LED is ON but No display after reboot.
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Apr 4 2018
how do you recover from this state?
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Apr 4 2018
To recover the device we need to flash firmware(bios) with servo.
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Apr 4 2018
can I get a device in that failed state to investigate?
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Apr 21 2018
Is this still reproducible?
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Aug 29
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Comment 1 by matthewjoseph@chromium.org
, Apr 4 2018