No subject

Jeremy C. McDermond mcdermj at Xenotropic.COM
Sat Nov 8 19:53:09 PST 1997

>Submitter-Id:  kaffe-user
>Originator: 	Jeremy C. McDermond
>Organization:	Xenotropic Imaging Systems
>Confidential:  no
>Synopsis:	Thread Implementation Causes Segfault on NetBSD-i386
>Severity:	critical
>Priority:	medium
>Class:		sw-bug
>Release:	Kaffe 0.9.2
	System: NetBSD Xanadu.HNL.Xenotropic.COM 1.3_ALPHA NetBSD 1.3_ALPHA (XANADU) #3: Mon Nov  3 00:55:37 PST 1997     root at Xanadu.HNL.Xenotropic.COM:/usr/local/src/sys/arch/i386/compile/XANADU i386
	Architecture: NetBSD
	Machine: i386
	When running Kaffe, program goes into infinite loop causing an
	"Illegal Instruction" fault.  When run under the debugger (gdb),
	the debugger shows that the program is getting a SEGV signal.  This
	SYSSEGV seems to be because of a line in thread-internal.c trying to
	switch threads and not resetting the context correctly.

	The variable "b" gets corrupted after line 497 of file
	thread-internal.c in function reschedule().  This causes the if
	statement on line 512 to throw the SIGSEGV.  

	Compile and run Kaffe v0.9.2 on NetBSD-i386 with any input.

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