Bug: Intermittent browser/base/content/test/general/browser_bug495058.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-02-22 19:06:04+00:00
Resolved: 2021-05-11 17:01:17+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=330772833&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Sb7UhTjpQRevtCqx7OaaBw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-02-22T18:10:29.242Z] 18:10:29     INFO - TEST-OK | browser/base/content/test/general/browser_bug491431.js | took 569ms
[task 2021-02-22T18:10:29.261Z] 18:10:29     INFO - checking window state
[task 2021-02-22T18:10:29.266Z] 18:10:29     INFO - TEST-START | browser/base/content/test/general/browser_bug495058.js
[task 2021-02-22T18:10:39.467Z] 18:10:39     INFO - GECKO(5084) | [GFX1-]: Killing GPU process due to IPC reply timeout
[task 2021-02-22T18:10:39.467Z] 18:10:39     INFO - GECKO(5084) | [GFX1-]: Failed as lost WebRenderBridgeChild.
[task 2021-02-22T18:10:39.467Z] 18:10:39     INFO - GECKO(5084) | [GFX1-]: Fallback (SW-)WR to Basic
[task 2021-02-22T18:10:39.472Z] 18:10:39     INFO - GECKO(5084) | [GFX1-]: Failed to create remote compositor
[task 2021-02-22T18:10:39.472Z] 18:10:39     INFO - GECKO(5084) | [Parent 4840, Main Thread] WARNING: base::KillProcess refusing to terminate process handle 0: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_win.cc:402
[task 2021-02-22T18:10:39.472Z] 18:10:39     INFO - GECKO(5084) | [GFX1-]: Compositors might be mixed (5,1)
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.318Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x620020,name=PLayerTransaction::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.319Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.319Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv
[task 2021-02-22T18:10:41.424Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.424Z] 18:10:41     INFO - GECKO(5084) | IPDL protocol error: Handler returned error code!
[task 2021-02-22T18:10:41.425Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Parent][DispatchSyncMessage] Error: PCompositorBridge::Msg_NotifyChildRecreated Processing error: message was deserialized, but the handler returned false (indicating failure)
[task 2021-02-22T18:10:41.425Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x370039,name=PCompositorBridge::Msg_PWebRenderBridgeConstructor) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.426Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0xB50001,name=PWebRenderBridge::Msg_EnsureConnected) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.426Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Failed as lost WebRe
[task 2021-02-22T18:10:41.427Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x37002F,name=PCompositorBridge::Msg_PLayerTransactionConstructor) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.427Z] 18:10:41     INFO - GECKO(5084) | nderBridgeChild.
[task 2021-02-22T18:10:41.428Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x37002F,name=PCompositorBridge::Msg_PLayerTransactionConstructor) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.428Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x62001D,name=PLayerTransaction::Msg_GetTextureFactoryIdentifier) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.429Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x62001D,name=PLayerTransaction::Msg_GetTextureFactoryIdentifier) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.429Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x620020,name=PLayerTransaction::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.429Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x620020,name=PLayerTransaction::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.430Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x37002F,name=PCompositorBridge::Msg_PLayerTransactionConstructor) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.431Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x62001D,name=PLayerTransaction::Msg_GetTextureFactoryIdentifier) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.431Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x620020,name=PLayerTransaction::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.432Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xB50025,name=PWebRenderBridge::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.433Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xD,name=PAPZ::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.434Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x370015,name=PCompositorBridge::Msg_WillClose) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.434Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x37002F,name=PCompositorBridge::Msg_PLayerTransactionConstructor) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.435Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xD,name=PAPZ::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.435Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x370015,name=PCompositorBridge::Msg_WillClose) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x62001D,name=PLayerTransaction::Msg_GetTextureFactoryIdentifier) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0x620020,name=PLayerTransaction::Msg_Shutdown) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xA10003,name=PTexture::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xA10003,name=PTexture::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xA10003,name=PTexture::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.436Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x370015,name=PCompositorBridge::Msg_WillClose) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.437Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xA10003,name=PTexture::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.437Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.437Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel] Error: (msgtype=0xD,name=PAPZ::Msg_Destroy) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Child][MessageChannel::SendAndWait] Error: (msgtype=0x370015,name=PCompositorBridge::Msg_WillClose) Channel error: cannot send/recv
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | IPDL protocol error: Handler returned error code!
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Parent][DispatchSyncMessage] Error: PCompositorBridge::Msg_NotifyChildRecreated Processing error: message was deserialized, but the handler returned false (indicating failure)
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | IPDL protocol error: Handler returned error code!
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Parent][DispatchSyncMessage] Error: PCompositorBridge::Msg_NotifyChildRecreated Processing error: message was deserialized, but the handler returned false (indicating failure)
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Failed to connect WebIPDL protocol error: Handler returned error code!
[task 2021-02-22T18:10:41.438Z] 18:10:41     INFO - GECKO(5084) | R
[task 2021-02-22T18:10:41.439Z] 18:10:41     INFO - GECKO(5084) | ###!!! [Parent][DispatchSyncMessage] Error: PCompositorBridge::Msg_NotifyChildRecreated Processing error: message was deserialized, but the handler returned false (indicating failure)
[task 2021-02-22T18:10:41.439Z] 18:10:41     INFO - GECKO(5084) | enderBridgeChild.
[task 2021-02-22T18:10:41.439Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.439Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.439Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:41.440Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:10:41.459Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:10:41.461Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:10:41.461Z] 18:10:41     INFO - GECKO(5084) | [GFX1-]: Receive IPC close with reason=AbnormalShutdown
[task 2021-02-22T18:10:42.151Z] 18:10:42     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:10:42.569Z] 18:10:42     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:11:01.513Z] 18:11:01     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:11:01.934Z] 18:11:01     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:11:14.297Z] 18:11:14     INFO - TEST-INFO | started process screenshot
[task 2021-02-22T18:11:14.383Z] 18:11:14     INFO - TEST-INFO | screenshot: exit 0
[task 2021-02-22T18:11:14.383Z] 18:11:14     INFO - Buffered messages logged at 18:10:29
[task 2021-02-22T18:11:14.383Z] 18:11:14     INFO - Entering test bound 
[task 2021-02-22T18:11:14.383Z] 18:11:14     INFO - Buffered messages finished
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug495058.js | Test timed out - 
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - GECKO(5084) | MEMORY STAT | vsize 2104318MB | vsizeMaxContiguous 66163731MB | residentFast 325MB | heapAllocated 108MB
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - TEST-OK | browser/base/content/test/general/browser_bug495058.js | took 45062ms
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - checking window state
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug495058.js | Found a browser window after previous test timed out - 
[task 2021-02-22T18:11:14.384Z] 18:11:14     INFO - GECKO(5084) | must wait for focus
[task 2021-02-22T18:11:14.385Z] 18:11:14     INFO - GECKO(5084) | [GFX1-]: IPC Channel is already torn down unexpectedly
[task 2021-02-22T18:11:14.444Z] 18:11:14     INFO - TEST-START | browser/base/content/test/general/browser_bug520538.js```