[Webkit-unassigned] [Bug 201483] IndexedDB: Connection to Indexed Database server lost. Refresh the page to try again
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Dec 9 20:01:08 PST 2019
https://bugs.webkit.org/show_bug.cgi?id=201483
--- Comment #5 from Etienne Maheu <etienne.maheu at randstad.ca> ---
I have managed to acquire a set of IPS analytics files from one of the devices that encountered this issue. From what I see in my analytics, this problem happened quite a few time for them and, fittingly, they gave me 16 crash report files.
They all look the same and appear to be an OS safety against infinite loops. It is hard to say if this is caused by some code in WebKit or in JavaScript code running in the page.
> {"app_name":"com.apple.WebKit.WebContent","timestamp":"2019-07-10 17:25:33.02 +0200","app_version":"8606","slice_uuid":"723D30DB-B0EB-3107-9E55-AE9A21B79B20","build_version":"8606.3.4.0.2","bundleID":"com.apple.WebKit.WebContent","share_with_app_devs":false,"is_first_party":true,"bug_type":"202","os_version":"iPhone OS 12.1.1 (16C50)","incident_id":"618A43D3-1703-482D-842C-DE2251BA9EE3","name":"com.apple.WebKit.WebContent"}
> Date/Time: 2019-07-10 17:25:12 +0200
> End time: 2019-07-10 17:25:31 +0200
> OS Version: iPhone OS 12.1.1 (Build 16C50)
> Architecture: arm64
> Report Version: 27
> Incident Identifier: 618A43D3-1703-482D-842C-DE2251BA9EE3
>
> Data Source: Microstackshots
> Shared Cache: 0x9a07c000 7A757322-B328-3B09-80FD-0DE44CFD4B0A
>
> Command: com.apple.WebKit.WebContent
> Path: /System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.WebContent.xpc/com.apple.WebKit.WebContent
> Identifier: com.apple.WebKit.WebContent
> Version: 8606 (8606.3.4.0.2)
> PID: 243
>
> Event: cpu usage
> Action taken: none
> CPU: 144 seconds cpu time over 151 seconds (95% cpu average), exceeding limit of 80% cpu over 180 seconds
> CPU limit: 144s
> Limit duration: 180s
> CPU used: 144s
> Duration: 19.12s
> Steps: 20
>
> Hardware model: iPad5,2
> Active cpus: 2
> Boot args:
>
>
> Heaviest stack for the target process:
> 20 ??? (libsystem_pthread.dylib + 45500) [0x21ab6c1bc]
> 20 ??? (libsystem_pthread.dylib + 45660) [0x21ab6c25c]
> 20 ??? (JavaScriptCore + 303832) [0x2222802d8]
> 20 ??? (JavaScriptCore + 298352) [0x22227ed70]
> 20 ??? (WebCore + 23111308) [0x224ea468c]
> 20 ??? (WebCore + 23099848) [0x224ea19c8]
> 8 ??? (WebCore + 23100556) [0x224ea1c8c]
> 3 ??? (CoreFoundation + 680432) [0x21aedb1f0]
> 2 ??? (CoreFoundation + 682628) [0x21aedba84]
> 2 ??? (CoreFoundation + 703464) [0x21aee0be8]
> 2 ??? (libsystem_kernel.dylib + 97956) [0x21aadbea4]
>
>
> Powerstats for: com.apple.WebKit.WebContent [243]
> UUID: 723D30DB-B0EB-3107-9E55-AE9A21B79B20
> Path: /System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.WebContent.xpc/com.apple.WebKit.WebContent
> Architecture: arm64
> Parent: UNKNOWN [1]
> UID: 501
> Sudden Term: Tracked
> Footprint: 9488 KB
> Start time: 2019-07-10 17:25:12 +0200
> End time: 2019-07-10 17:25:31 +0200
> Num samples: 20 (100%)
> CPU Time: 16.419s
> Primary state: 18 samples Non-Frontmost App, Non-Suppressed, User mode, Effective Thread QoS User Initiated, Requested Thread QoS User Initiated, Override Thread QoS Unspecified
> User Activity: 0 samples Idle, 0 samples Active, 20 samples Unknown
> Power Source: 0 samples on Battery, 0 samples on AC, 20 samples Unknown
> 20 ??? (libsystem_pthread.dylib + 45500) [0x21ab6c1bc]
> 20 ??? (libsystem_pthread.dylib + 45660) [0x21ab6c25c]
> 20 ??? (JavaScriptCore + 303832) [0x2222802d8]
> 20 ??? (JavaScriptCore + 298352) [0x22227ed70]
> 20 ??? (WebCore + 23111308) [0x224ea468c]
> 20 ??? (WebCore + 23099848) [0x224ea19c8]
> 8 ??? (WebCore + 23100556) [0x224ea1c8c]
> 3 ??? (CoreFoundation + 680432) [0x21aedb1f0]
> 2 ??? (CoreFoundation + 682628) [0x21aedba84]
> 2 ??? (CoreFoundation + 703464) [0x21aee0be8]
> 2 ??? (libsystem_kernel.dylib + 97956) [0x21aadbea4]
> 2 <Kernel mode>
> 1 ??? (CoreFoundation + 681540) [0x21aedb644]
> 1 ??? (libsystem_malloc.dylib + 70576) [0x21ab2e3b0]
> 1 ??? (libsystem_malloc.dylib + 68000) [0x21ab2d9a0]
> 1 ??? (libsystem_malloc.dylib + 30940) [0x21ab248dc]
> 1 ??? (libsystem_malloc.dylib + 112080) [0x21ab385d0]
> 1 ??? (libsystem_malloc.dylib + 118660) [0x21ab39f84]
> 2 ??? (CoreFoundation + 680492) [0x21aedb22c]
> 1 ??? (CoreFoundation + 327428) [0x21ae84f04]
> 1 ??? (libsystem_malloc.dylib + 114112) [0x21ab38dc0]
> 1 ??? (CoreFoundation + 680352) [0x21aedb1a0]
> 1 ??? (CoreFoundation + 680288) [0x21aedb160]
> 1 ??? (CoreFoundation + 679712) [0x21aedaf20]
> 1 ??? (CoreFoundation + 680120) [0x21aedb0b8]
> 1 ??? (CoreFoundation + 807260) [0x21aefa15c]
> 6 ??? (WebCore + 23100296) [0x224ea1b88]
> 1 ??? (WebCore + 10969012) [0x22430ffb4]
> 1 ??? (WebCore + 10968896) [0x22430ff40]
> 1 ??? (WebCore + 10968872) [0x22430ff28]
> 1 ??? (JavaScriptCore + 9895016) [0x222ba5c68]
> 1 ??? (WebCore + 10968856) [0x22430ff18]
> 1 ??? (WebCore + 10968784) [0x22430fed0]
> 1 ??? (WebCore + 10968744) [0x22430fea8]
> 2 ??? (WebCore + 23100096) [0x224ea1ac0]
> 2 ??? (CoreFoundation + 684172) [0x21aedc08c]
> 2 ??? (CoreFoundation + 678824) [0x21aedaba8]
> 2 ??? (CoreFoundation + 719796) [0x21aee4bb4]
> 1 ??? (CoreFoundation + 1321832) [0x21af77b68]
> 1 ??? (CoreFoundation + 713328) [0x21aee3270]
> 1 ??? (CoreFoundation + 810572) [0x21aefae4c]
> 2 ??? (WebCore + 23100168) [0x224ea1b08]
> 1 ??? (WebCore + 10968516) [0x22430fdc4]
> 1 ??? (WebCore + 10968476) [0x22430fd9c]
> 1 ??? (WebCore + 23100076) [0x224ea1aac]
> 1 ??? (CoreFoundation + 673912) [0x21aed9878]
> 1 ??? (WebCore + 23100036) [0x224ea1a84]
> 1 ??? (JavaScriptCore + 130004) [0x222255bd4]
>
> Binary Images:
> 0x100ebc000 - ??? com.apple.WebKit.WebContent <723D30DB-B0EB-3107-9E55-AE9A21B79B20> /System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.WebContent.xpc/com.apple.WebKit.WebContent
> 0x21aac4000 - 0x21aaeefff libsystem_kernel.dylib <1F1EDEE5-18B5-36F1-88E1-73FC02137614> /usr/lib/system/libsystem_kernel.dylib
> 0x21ab1d000 - 0x21ab40fff libsystem_malloc.dylib <6E321806-C54E-31DB-B4A8-9DEC04A5CA2C> /usr/lib/system/libsystem_malloc.dylib
> 0x21ab61000 - 0x21ab71fff libsystem_pthread.dylib <78ADDF58-E801-357C-9001-13579B17D2BA> /usr/lib/system/libsystem_pthread.dylib
> 0x21ae35000 - 0x21b198fff CoreFoundation <DF938905-A982-3D29-BADE-1B903A929425> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
> 0x222236000 - 0x222e0bfff JavaScriptCore <0E79C70C-83C3-38EF-A288-8F960BA4CB0A> /System/Library/Frameworks/JavaScriptCore.framework/JavaScriptCore
> 0x22389a000 - 0x22513bfff WebCore <07E440F4-58E5-3A26-B1B6-0FB43EE5CFFD> /System/Library/PrivateFrameworks/WebCore.framework/WebCore
>
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