Closed Bug 1684322 Opened 4 years ago Closed 4 years ago

Firefox unresponsive after waking up from sleep on macOS Big Sur M1-chip when connected to Pro Display XDR

Categories

(Core :: Widget: Cocoa, defect, P1)

Firefox 84
defect

Tracking

()

RESOLVED DUPLICATE of bug 1682713

People

(Reporter: firefox, Unassigned)

Details

(Whiteboard: [mac:hang])

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11.1; rv:84.0) Gecko/20100101 Firefox/84.0

Steps to reproduce:

macOS Big Sur 11.1
Firefox 84.0.1
MacBook Pro (13-inch, M1, 2020)

  1. Attach MacBook Pro (13-inch, M1, 2020) to Apple Pro Display XDR in clamshell-mode
  2. Let laptop go to sleep naturally (external monitor screen is black)
  3. wake up the laptop using an external mouse/keyboard

Notes:

  • I've seen this happen in other cases like just merely connecting the laptop to the Pro Display, but I've not been able to reliably reproduce it.
  • I've not been able to reproduce it when not connected to the monitor. I do not have any other external monitors to compare it to.

Actual results:

Firefox window is unresponsive — it cannot open or close tabs or move between tabs. Cursor in text-field is not blinking. However, it is able to quit properly without being Force-Quit.

Expected results:

Firefox should function normally.

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.

Component: Untriaged → Widget: Cocoa
Product: Firefox → Core

This may be a duplicate of bug 1422855. Could you verify with the steps in bug 1422855 comment 81?

Severity: -- → S2
Flags: needinfo?(firefox)
Priority: -- → P2

I can reliably reproduce bug 1422855 comment 81 on my setup.

See my comment on that bug for details.

Flags: needinfo?(firefox)

I can confirm this also happens on a M1 Mac mini using a Thunderbolt to DisplayPort cable connected to an LG Ultra HD.

i have the same bug but with hdlmi screen to an iiyama g2730

Status: UNCONFIRMED → NEW
Ever confirmed: true
Priority: P2 → P1
Whiteboard: [mac:hangs]
Whiteboard: [mac:hangs] → [mac:hang]
Status: NEW → RESOLVED
Closed: 4 years ago
Resolution: --- → DUPLICATE
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