1221254 - Assertion failure in TabManager

Status: RESOLVED INVALID

(Firefox for iOS :: General, defect)

Description

[Richard Newman [:rnewman]]

Open profile. Open settings. Clear private data. Hit the clear button.

 thread #1: tid = 0x11aa, 0x00000001015ad928 libswiftCore.dylib`function signature specialization <Arg[0] = Exploded, Arg[1] = Exploded, Arg[2] = Exploded> of Swift._assertionFailed (Swift.StaticString, Swift.String, Swift.StaticString, Swift.UInt) -> () + 164, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT (code=1, subcode=0x1015ad928)
    frame #0: 0x00000001015ad928 libswiftCore.dylib`function signature specialization <Arg[0] = Exploded, Arg[1] = Exploded, Arg[2] = Exploded> of Swift._assertionFailed (Swift.StaticString, Swift.String, Swift.StaticString, Swift.UInt) -> () + 164
  * frame #1: 0x0000000100247d20 Client`Client.TabManager.selectTab (tab=0x00000001701470c0, self=0x0000000174300fc0)(Swift.Optional<Client.Browser>) -> () + 1384 at TabManager.swift:163
    frame #2: 0x000000010012b80c Client`Client.TabTrayController.(finished=true, tabManager=0x0000000174300fc0, tab=0x00000001701470c0, self=0x0000000157e5a320) -> (Client.TabManager, didAddTab : Client.Browser, restoring : Swift.Bool) -> ()).(closure #2) + 120 at TabTrayController.swift:562
    frame #3: 0x000000010010d8d8 Client`reabstraction thunk helper from @callee_owned (@unowned Swift.Bool) -> (@unowned ()) to @callee_owned (@in Swift.Bool) -> (@out ()) + 40 at URLBarView.swift:0
    frame #4: 0x000000010010d90c Client`reabstraction thunk helper from @callee_owned (@in Swift.Bool) -> (@out ()) to @callee_owned (@unowned Swift.Bool) -> (@unowned ()) + 40 at URLBarView.swift:0
    frame #5: 0x000000010010d950 Client`reabstraction thunk helper from @callee_owned (@unowned Swift.Bool) -> (@unowned ()) to @callee_unowned @convention(block) (@unowned Swift.Bool) -> (@unowned ()) + 56 at URLBarView.swift:0
    frame #6: 0x00000001886e22bc UIKit`-[UICollectionView _updateAnimationDidStop:finished:context:] + 1472
    frame #7: 0x0000000188559dbc UIKit`-[UIViewAnimationBlockDelegate _sendDeferredCompletion:] + 88
    frame #8: 0x0000000184980180 Foundation`__NSFireDelayedPerform + 424
    frame #9: 0x0000000183a4412c CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 28
    frame #10: 0x0000000183a43ddc CoreFoundation`__CFRunLoopDoTimer + 888
    frame #11: 0x0000000183a41828 CoreFoundation`__CFRunLoopRun + 1372
    frame #12: 0x000000018396d2d4 CoreFoundation`CFRunLoopRunSpecific + 396
    frame #13: 0x000000018d26b6fc GraphicsServices`GSEventRunModal + 168
    frame #14: 0x000000018856af40 UIKit`UIApplicationMain + 1488
    frame #15: 0x000000010026c0f0 Client`main + 528 at main.swift:22
    frame #16: 0x0000000195582a08 libdyld.dylib`start + 4
(lldb)

Comment 1

[Stephan Leroux [:sleroux]]

I've seen something similar happen when on running Clear Private Data from the Settings where the selectedTab didn't match the new tab since we had not navigated to the BVC yet. Bit unclear as it was a little while ago but might be of help.