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[Bug 599781] Re: X crashes when reconnecting USB devices via a KVM switch

 

I ran with gdb attached in case the problem reappeared without intentional provocation. It did, and the crash was in the same function as when provoked:
Program received signal SIGSEGV, Segmentation fault.
0x0000000000438a10 in IsMaster ()
(gdb) backtrace full
#0  0x0000000000438a10 in IsMaster ()
No symbol table info available.
#1  0x000000000045bbf9 in miPointerGetScreen ()
No symbol table info available.
#2  0x00007f4481468d9e in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#3  0x00007f448146c72b in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#4  0x00007f4481465de3 in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#5  0x00007f4481465ead in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#6  0x000000000046fca7 in ?? ()
No symbol table info available.
#7  0x000000000051d1c3 in ?? ()
No symbol table info available.
#8  <signal handler called>
No symbol table info available.
#9  0x00007f4487bf2980 in __close_nocancel () at ../sysdeps/unix/syscall-template.S:82
No locals.
#10 0x00007f4481469ee0 in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#11 0x000000000047d5d7 in ?? ()
No symbol table info available.
#12 0x000000000047d9eb in ?? ()
No symbol table info available.
#13 0x00007f448146efbf in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#14 0x00007f4481469f6a in ?? () from /usr/lib/xorg/modules/input/wacom_drv.so
No symbol table info available.
#15 0x000000000047d5d7 in ?? ()
No symbol table info available.
#16 0x000000000047d9eb in ?? ()
No symbol table info available.
#17 0x000000000045a702 in ?? ()
No symbol table info available.
#18 0x000000000045a938 in ?? ()
No symbol table info available.
#19 0x0000000000435f2b in WakeupHandler ()
No symbol table info available.
#20 0x000000000045f997 in WaitForSomething ()
No symbol table info available.
#21 0x0000000000430952 in ?? ()
No symbol table info available.
#22 0x00000000004261aa in _start ()
No symbol table info available.
(gdb)

-- 
X crashes when reconnecting USB devices via a KVM switch
https://bugs.launchpad.net/bugs/599781
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References