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Strange page error in browser

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The log below is from the latest alpha and using Waterfox on Windows 7. It seems not to be particularly page specific, but stops say all with an error.

Speaking [LangChangeCommand ('en_GB'), 'heading level 3', 'link', 'Trimethoprim: uses, dose and side effects - NetDoctor']
IO - inputCore.InputManager.executeGesture (16:34:54.551):
Input: kb(desktop):enter
DEBUG - treeInterceptorHandler.update (16:34:54.748):
Adding new treeInterceptor to runningTable: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x04EC4770>
DEBUG - virtualBuffers.VirtualBuffer._loadBuffer (16:34:54.749):
Buffer load took 0.001 sec, 11 chars
IO - speech.speak (16:34:54.798):
Speaking [LangChangeCommand ('en_GB'), 'about:blank busy']
IO - speech.speak (16:34:54.809):
Speaking [<speech.commands.CallbackCommand object at 0x042AD170>, LangChangeCommand ('en_GB'), 'about:blank']
IO - speech.speak (16:34:54.809):
Speaking [<speech.commands.CallbackCommand object at 0x042A30F0>]
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:54.950):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:54.960):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:55.145):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUG - treeInterceptorHandler.killTreeInterceptor (16:34:55.207):
Killed treeInterceptor: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x04EC4770>
DEBUG - treeInterceptorHandler.update (16:34:55.216):
Adding new treeInterceptor to runningTable: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x042AACD0>
DEBUG - virtualBuffers.VirtualBuffer._loadBuffer (16:34:55.217):
Buffer load took 0.000 sec, 67 chars
IO - speech.speak (16:34:55.223):
Speaking [LangChangeCommand ('en_GB'), 'Trimethoprim: uses, dose and side effects busy']
IO - speech.speak (16:34:55.226):
Speaking [<speech.commands.CallbackCommand object at 0x04ECB4D0>, LangChangeCommand ('en_GB'), 'https://www.netdoctor.co.uk/medicines/infection/a7689/trimethoprim/']
IO - speech.speak (16:34:55.227):
Speaking [<speech.commands.CallbackCommand object at 0x04ECB330>]
ERROR - speech.manager.SpeechManager._handleIndex (16:34:55.930):
Error running speech callback
Traceback (most recent call last):
File "speech\manager.pyc", line 375, in _handleIndex
File "speech\commands.pyc", line 260, in run
File "sayAllHandler.pyc", line 145, in <lambda>
File "sayAllHandler.pyc", line 174, in lineReached
File "documentBase.pyc", line 24, in makeTextInfo
File "virtualBuffers\__init__.pyc", line 208, in __init__
File "textInfos\offsets.pyc", line 424, in __init__
File "virtualBuffers\__init__.pyc", line 226, in _getStoryLength
OSError: [WinError 1775] A null context handle was passed from the client to the host during a remote procedure call
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:57.130):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:57.171):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:58.679):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:58.689):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:35:03.422):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:35:04.609):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
IO - inputCore.InputManager.executeGesture (16:35:05.086):
Input: kb(desktop):control+alt+r
IO - speech.speak (16:35:05.138):
Speaking [LangChangeCommand ('en_GB'), 'Taskbar']
IO - speech.speak (16:35:05.193):
Speaking [LangChangeCommand ('en_GB'), 'reboot nvda with log terminal']
IO - speech.speak (16:35:05.194):
Speaking [LangChangeCommand ('en_GB'), '80 space', 'blank']
INFO - core.main (16:35:05.292):
Exiting

Brian

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This seems totally random, today its not doing it.
Brian

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----- Original Message -----
From: "Brian's Mail list account via Groups.Io" <bglists=blueyonder.co.uk@groups.io>
To: "NVDA Dev list on groups.io" <nvda-devel@groups.io>
Sent: Sunday, August 04, 2019 4:42 PM
Subject: [nvda-devel] Strange page error in browser


The log below is from the latest alpha and using Waterfox on Windows 7. It seems not to be particularly page specific, but stops say all with an error.

Speaking [LangChangeCommand ('en_GB'), 'heading level 3', 'link', 'Trimethoprim: uses, dose and side effects - NetDoctor']
IO - inputCore.InputManager.executeGesture (16:34:54.551):
Input: kb(desktop):enter
DEBUG - treeInterceptorHandler.update (16:34:54.748):
Adding new treeInterceptor to runningTable: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x04EC4770>
DEBUG - virtualBuffers.VirtualBuffer._loadBuffer (16:34:54.749):
Buffer load took 0.001 sec, 11 chars
IO - speech.speak (16:34:54.798):
Speaking [LangChangeCommand ('en_GB'), 'about:blank busy']
IO - speech.speak (16:34:54.809):
Speaking [<speech.commands.CallbackCommand object at 0x042AD170>, LangChangeCommand ('en_GB'), 'about:blank']
IO - speech.speak (16:34:54.809):
Speaking [<speech.commands.CallbackCommand object at 0x042A30F0>]
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:54.950):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:54.960):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:55.145):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUG - treeInterceptorHandler.killTreeInterceptor (16:34:55.207):
Killed treeInterceptor: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x04EC4770>
DEBUG - treeInterceptorHandler.update (16:34:55.216):
Adding new treeInterceptor to runningTable: <virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x042AACD0>
DEBUG - virtualBuffers.VirtualBuffer._loadBuffer (16:34:55.217):
Buffer load took 0.000 sec, 67 chars
IO - speech.speak (16:34:55.223):
Speaking [LangChangeCommand ('en_GB'), 'Trimethoprim: uses, dose and side effects busy']
IO - speech.speak (16:34:55.226):
Speaking [<speech.commands.CallbackCommand object at 0x04ECB4D0>, LangChangeCommand ('en_GB'), 'https://www.netdoctor.co.uk/medicines/infection/a7689/trimethoprim/']
IO - speech.speak (16:34:55.227):
Speaking [<speech.commands.CallbackCommand object at 0x04ECB330>]
ERROR - speech.manager.SpeechManager._handleIndex (16:34:55.930):
Error running speech callback
Traceback (most recent call last):
File "speech\manager.pyc", line 375, in _handleIndex
File "speech\commands.pyc", line 260, in run
File "sayAllHandler.pyc", line 145, in <lambda>
File "sayAllHandler.pyc", line 174, in lineReached
File "documentBase.pyc", line 24, in makeTextInfo
File "virtualBuffers\__init__.pyc", line 208, in __init__
File "textInfos\offsets.pyc", line 424, in __init__
File "virtualBuffers\__init__.pyc", line 226, in _getStoryLength
OSError: [WinError 1775] A null context handle was passed from the client to the host during a remote procedure call
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:57.130):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:57.171):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:58.679):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:34:58.689):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:35:03.422):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
DEBUGWARNING - NVDAObjects.IAccessible.IAccessible._get_IAccessibleRole (16:35:04.609):
accRole failed: (-2147024809, 'The parameter is incorrect.', (None, None, None, 0, None))
IO - inputCore.InputManager.executeGesture (16:35:05.086):
Input: kb(desktop):control+alt+r
IO - speech.speak (16:35:05.138):
Speaking [LangChangeCommand ('en_GB'), 'Taskbar']
IO - speech.speak (16:35:05.193):
Speaking [LangChangeCommand ('en_GB'), 'reboot nvda with log terminal']
IO - speech.speak (16:35:05.194):
Speaking [LangChangeCommand ('en_GB'), '80 space', 'blank']
INFO - core.main (16:35:05.292):
Exiting

Brian

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