Re: [STUMP] Stumpwm Crashes when disconnecting monitor via xrandr.

Ernesto Alfonso <[email protected]> writes:

> After I physically remove my external monitor, I run an xrandr
> command to logically disconnect it. When doing this, and there are
> frames in the disconnected screen/monitor, stumpwm crashes with an
> "unhandled error",

Yup, this is a known bug, you could subscribe to this report if you
like:

https://github.com/stumpwm/stumpwm/issues/71

> The xrandr command consists of something like the following:
>
> xrandr --output VGA1 --off
>
> The error backtrace is copied below. (Also, the
> "copy-unhandled-error" does not work for me. I had to run the below
> command via swank)

I've noticed the same thing -- copy-unhandled-error doesn't seem to do
anything. Perhaps a new bug report...

> (format nil "~a~%~a" (first *last-unhandled-error*) (second
> *last-unhandled-error*))
> "The value NIL is not of type FRAME.
> 0: (SB-DEBUG::MAP-BACKTRACE
>     #<CLOSURE (LAMBDA # :IN SB-DEBUG:BACKTRACE) {100607126B}>
>     :START
>     0
>     :COUNT
>     100)
> 1: (SB-DEBUG:BACKTRACE 100 #<SB-IMPL::STRING-OUTPUT-STREAM
> {1006071163}>)
> 2: (STUMPWM::BACKTRACE-STRING)
> 3: (STUMPWM::PERFORM-TOP-LEVEL-ERROR-ACTION
>     #<TYPE-ERROR expected-type: STUMPWM::FRAME datum: NIL>)
> 4: (SIGNAL #<TYPE-ERROR expected-type: STUMPWM::FRAME datum: NIL>)
> 5: (ERROR TYPE-ERROR :DATUM NIL :EXPECTED-TYPE STUMPWM::FRAME)
> 6: (SB-KERNEL::OBJECT-NOT-TYPE-ERROR-HANDLER
>     #<unavailable argument>
>     #.(SB-SYS:INT-SAP #X7FFFF6EBED80)
>     #<SB-ALIEN-INTERNALS:ALIEN-VALUE :SAP #X7FFFF6EBE8C0 :TYPE (*
>                                                                
> (SB-ALIEN:STRUCT
>                                                                 
> SB-VM::OS-CONTEXT-T-STRUCT))>
>     (149 21))
> 7: (SB-KERNEL:INTERNAL-ERROR
>     #.(SB-SYS:INT-SAP #X7FFFF6EBE8C0)
>     #<unavailable argument>)
> 8: (\"foreign function: call_into_lisp\")
> 9: (\"foreign function: funcall2\")
> 10: (\"foreign function: interrupt_internal_error\")
> 11: (\"foreign function: #x41357B\")
> 12: ((SB-PCL::FAST-METHOD STUMPWM::GROUP-CURRENT-WINDOW
> (STUMPWM::TILE-GROUP))
>      #<unavailable argument>
>      #<unavailable argument>
>      #<STUMPWM::TILE-GROUP {1003D44AF3}>)
> 13: (STUMPWM::HIDE-WINDOW #S(TILE-WINDOW \"ROXTerm\" #x600003))
> 14: ((SB-PCL::FAST-METHOD STUMPWM::GROUP-REMOVE-HEAD
> (STUMPWM::TILE-GROUP T))
>      #<unavailable argument>
>      #<unavailable argument>
>      #<STUMPWM::TILE-GROUP {1003D44AF3}>
>      #S(frame 1 NIL 0 0 1280 800))
> 15: (STUMPWM::REMOVE-HEAD
>      #S<screen #<XLIB:SCREEN :0.0 1280x800x24 TRUE-COLOR>>
>      #S(frame 1 NIL 0 0 1280 800))
> 16: (STUMPWM::SCALE-SCREEN
>      #S<screen #<XLIB:SCREEN :0.0 1280x800x24 TRUE-COLOR>>
>      (#S(frame 0 NIL 0 0 1280 800)))
> 17: ((LABELS #:G76 :IN \"/home/ernesto/programs/stumpwm/events.lisp\
> ")
>      :STACK-MODE
>      NIL
>      :WINDOW
>      #<XLIB:WINDOW :0 AC>
>      :X
>      0
>      :Y
>      0
>      :WIDTH
>      1280
>      :HEIGHT
>      800
>      :BORDER-WIDTH
>      0
>      :VALUE-MASK
>      NIL)
> 18: (STUMPWM::HANDLE-EVENT
>      :DISPLAY
>      #<XLIB:DISPLAY :0 (The X.Org Foundation R11204000)>
>      :EVENT-KEY
>      :CONFIGURE-NOTIFY
>      :EVENT-CODE
>      22
>      :SEND-EVENT-P
>      NIL
>      :SEQUENCE
>      26141
>      :EVENT-WINDOW
>      #<XLIB:WINDOW :0 AC>
>      :WINDOW
>      #<XLIB:WINDOW :0 AC>
>      :ABOVE-SIBLING
>      NIL
>      :X
>      0
>      :Y
>      0
>      :WIDTH
>      1280
>      :HEIGHT
>      800
>      :BORDER-WIDTH
>      0
>      :OVERRIDE-REDIRECT-P
>      NIL)
> 19: ((FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN
> XLIB:PROCESS-EVENT))
> 20: ((FLET #:WITHOUT-INTERRUPTS-BODY-89240 :IN
> SB-THREAD::CALL-WITH-RECURSIVE-LOCK))
> 21: (SB-THREAD::CALL-WITH-RECURSIVE-LOCK
>      #<CLOSURE (FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN
> XLIB:PROCESS-EVENT)
>        {7FFFF6EBF5FB}>
>      #<SB-THREAD:MUTEX \"CLX Event Lock\"
>          owner: #<SB-THREAD:THREAD \"main thread\" RUNNING
> {1003C71043}>>)
> 22: ((FLET SB-IMPL::TIMEOUT-BODY :IN XLIB:PROCESS-EVENT))
> 23: (XLIB:PROCESS-EVENT
>      #<XLIB:DISPLAY :0 (The X.Org Foundation R11204000)>
>      :HANDLER
>      #<FUNCTION STUMPWM::HANDLE-EVENT>
>      :TIMEOUT
>      0
>      :PEEK-P
>      NIL
>      :DISCARD-P
>      NIL
>      :FORCE-OUTPUT-P
>      T)
> 24: ((FLET #:WITHOUT-INTERRUPTS-BODY-89240 :IN
> SB-THREAD::CALL-WITH-RECURSIVE-LOCK))
> 25: (SB-THREAD::CALL-WITH-RECURSIVE-LOCK
>      #<CLOSURE (FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN
> STUMPWM::STUMPWM-INTERNAL-LOOP)
>        {7FFFF6EBFB2B}>
>      #<SB-THREAD:MUTEX \"CLX Event Lock\"
>          owner: #<SB-THREAD:THREAD \"main thread\" RUNNING
> {1003C71043}>>)
> 26: (STUMPWM::STUMPWM-INTERNAL-LOOP)
> 27: (STUMPWM::STUMPWM-INTERNAL \":0\")
> 28: (STUMPWM \":0\")
> 29: ((LAMBDA () :IN \"/home/ernesto/programs/stumpwm/make-image.lisp\
> "))
> 30: ((FLET #:WITHOUT-INTERRUPTS-BODY-236916 :IN
> SB-EXT:SAVE-LISP-AND-DIE))
> 31: ((LABELS SB-IMPL::RESTART-LISP :IN SB-EXT:SAVE-LISP-AND-DIE))
> "
>
>
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