If this reproduces on tip-of-tree WinCairo in the WebKit repository, then you
should file a Web Inspector/WinCairo bug in Bugzilla and continue this
discussion there.
I really have no way of knowing what’s going on just by reading these steps.
You could also try reaching the relevant folks on IRC (#webkit or
#webkit-inspector).
-Brian
> On Oct 2, 2015, at 1:29 PM, Vienneau, Christopher <[email protected]> wrote:
>
> Hey Guys,
>
> I’m redirecting Rupali’s enquiry about WebInspector’s Debugger and WinCairo
> to a new audience. I came across this again the other day, I think all the
> debug information Rupali provided is still accurate for our current state.
> In brief, when a breakpoint is hit in the debugger the pane that should show
> the source gets stuck as a circular time spinner. This blocks a lot of
> functionality sine you can’t see what you’re debugging. We would appreciate
> any tips on how to resolve this in WinCairo since our port behaves the same
> way.
>
> Thanks
>
> Chris
>
> From: [email protected]
> <mailto:[email protected]>
> [mailto:[email protected]
> <mailto:[email protected]>] On Behalf Of Sharma, Rupali
> Sent: Monday, August 31, 2015 11:34 AM
> To: Sharma, Rupali <[email protected] <mailto:[email protected]>>;
> [email protected] <mailto:[email protected]>
> Subject: Re: [webkit-help] Issue with Web Inspector debugger breakpoint
> handling (on Wincairo)
>
> Hi folks,
>
> Are you aware of this issue with web Inspector which we see on WinCairo?
>
> Thanks,
> Rupali
>
> From: [email protected]
> <mailto:[email protected]>
> [mailto:[email protected]
> <mailto:[email protected]>] On Behalf Of Sharma, Rupali
> Sent: Wednesday, August 26, 2015 11:16 AM
> To: [email protected] <mailto:[email protected]>
> Subject: [webkit-help] Issue with Web Inspector debugger breakpoint handling
> (on Wincairo)
>
> Hello,
>
> We are seeing an issue with the Web Inspector debugger on latest WinCairo [
> using Webkit r188436]. In the wincairo webinpector, whenever a breakpoint is
> set and then web page reload on a javascript source, the view goes on into
> some indefinite waiting and never shows up, until we press
> continue-script-execution or another page-refresh.
>
> Here are the simple steps to reproduce it,
> 1. Launch WinCairo and go to google.com <http://google.com/>
> 2. Open Web inspector and open the script source of any .js script
> 3. Set a breakpoint anywhere
> 4. Reload the web page
>
> What we see is the spinner spinning and never the script source. However, if
> one presses continue-script-execution from the debugger controls, we get the
> view back.
>
> Some points of debugging we did at our end,
> (i) We did some digging around the breakpoint setting, and do see the flow
> correctly being going to handlepause() of the ScriptDebugServer. Though I see
> the vmEntryGlobalObject is not updated with any value or callframe.
> I did not see any abnormality in the listener dispatching callback, with the
> correct pause-reason to pass i.e. Breakpoint. However, I am not sure if its
> sending the right pause-data to the frontend.
>
> (ii)It gets stuck in the infinite eventloop which does look fine to me, as
> long as it is paused.
>
> (iii)Another observation I see is, the message “TimelineRecordingStopped”
> being sent to the frontend. I believe, this is something newly added and not
> sure, if at all it’ll effect the debugger scriptsource in any way. [reference
> : doDispatchMessageOnFrontendPage]
>
> (iv)Coming onto the Web inspector UI side of story, I did see one bug, that
> even though the method in DebuggerManager.js “debuggerDidPause” got the
> right pause-reason from the webkit, its not able to pass on correctly due to
> an apparent bug in
> _pauseReasonFromPayload: function(payload)
> Here, the input payload does not match any of the DebuggerAgent.PausedReason
> and hence falls to the error of unknown reason. The correct string to match
> would be “Breakpoint”. However, correcting the flow still doesn’t give us any
> favorable behavior. Though, I believe it’s good to know.
>
> Would you have a better insight as to what exactly is blocking the script
> source to display in the paused-state of web inspector debugger?
>
> The output log looks like:
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL - http://www.google.com/ <http://www.google.com/> with
> status = 200
> EAWebKit:Event kLETLoadCompletedWithoutErrors : The load is completed without
> errors
> Total Page Loaded : 1.139
> Total Page Lib Tick Update :
> 0.604 Slowest:: 0.521
> Total Page View Tick Update : 0.000 Slowest:: 0.000
> Total Page Network Tick Update : 0.000
> Total Jobs Loop : 0.503 Slowest:: 0.489
> Total Page Script : 0.000 Slowest:: 0.000
> Font Glyph Draw : 0.000
> Bitmap Image Draw : 0.000
> Bitmap Image Decoder : 0.000
> Image Compression : 0.000
> Font/Image Raster Draw : 0.000
> TH Connect : 0.000
> TH Transfer : 0.000
> TH Disconnect : 0.000
> TH Size : 0
> TH Files : 0
> Cached Connect : 0.000
> Cached Transfer : 0.000
> Cached Disconnect : 0.000
> Cached Size : 0
> Cached files : 0
> Java Script Parse : 0.000
> Java Script Execute : 0.000
> CSS Sheet Parse : 0.000
> Font Loading Time : 0.000
> Page user1 : 0.000
> Page user2 : 0.000
> Page user3 : 0.000
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -http://www.google.com/xjs/_/js/k=xjs.hp.en_US.dipijOltWAk.O/m=sb_he,d/rt=j/d=1/t=zcms/rs=ACT90oGH2j95ix8dWTU-Ejrgyf_E0GhQSQ
>
> <http://www.google.com/xjs/_/js/k=xjs.hp.en_US.dipijOltWAk.O/m=sb_he,d/rt=j/d=1/t=zcms/rs=ACT90oGH2j95ix8dWTU-Ejrgyf_E0GhQSQ>
> with status = 200
> 2015/08/26-10:51:01.462 protoupnp: multicasting discovery request
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-464 Column-20 Message: DebuggerDidPause called ----> got some data and
> reason
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-465 Column-20 Message: pause reason isBreakpoint
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-466 Column-20 Message: pause data is[object Object]
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-628 Column-20 Message: 1. payload to _pauseReasonFrompaylod is
> Breakpoint
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-635 Column-23 Message: >>> Payload is Breakpoint? is Breakpoint
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-478 Column-20 Message: pause reason isbreakpoint
> EAWebKit: JS -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js>
> Line-504 Column-20 Message: pause reason isbreakpoint
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Exception.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Exception.svg>with
> status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/BreakpointButton.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/BreakpointButton.svg>
> with status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/ResultLine.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/ResultLine.svg>
> with status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Resume.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Resume.svg>with
> status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Function.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Function.svg>with
> status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/PausedBreakpoint.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/PausedBreakpoint.svg>
> with status = 0
> EAWebKit:Event kLETResourceResponseReceived : The server has responded to a
> resource request URL
> -file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Resume.svg
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Images/Resume.svg>with
> status = 0
> EAWebKit: JS Error -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js>
> Line-267 Column-22 Message: Request with id = 37 failed.
> {"code":-32601,"message":"'IndexedDB' domain was not found"}
> EAWebKit: JS Error -
> file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js
>
> <file:///C:/EAOS/EAOS/EAWebKit/SB/InternalTeam/w-179714/EAWebKitDemoUTFWin/dev/data/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js>
> Line-454 Column-30 Message: Error while getting the named flows for document
> 1: Could not find node with given id
> 2015/08/26-10:51:16.656 protoupnp: multicasting discovery request
> The thread 0x2efc has exited with code 0 (0x0).
> 2015/08/26-10:51:31.656 protoupnp: multicasting discovery request
> Thanks,
> Rupali
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