Date: Sat, 23 Nov 2002 00:29:54 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: David Xu <davidxu@FreeBSD.org> Cc: Maxime Henrion <mux@FreeBSD.org>, "cvs-committers@FreeBSD.org" <cvs-committers@FreeBSD.org>, "cvs-all@FreeBSD.org" <cvs-all@FreeBSD.org> Subject: Re: cvs commit: src/sys/kern kern_thread.c src/sys/sys proc.h src/sys/i386/i386 vm_machdep.c src/sys/alpha/alpha vm_machdep.c src/sys/ia64/ia64 vm_machdep.c src/ vm_machdep.c src/sys/sparc64/sparc64 vm_machdep.c Message-ID: <Pine.BSF.4.21.0211230027320.13569-100000@InterJet.elischer.org> In-Reply-To: <200211230804.gAN84ZX0003586@freefall.freebsd.org>
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On Sat, 23 Nov 2002, David Xu wrote: > This commit cause kernel panic when run threaded program. > try /usr/src/tools/KSE/ksetest Maxime.. The extended PCB fields need to be freed for every thread_exit(), not just when we eventually free the thread_structure (which may never happen) > > ----- Original Message ----- > From: "Maxime Henrion" <mux@FreeBSD.org> > To: <cvs-committers@FreeBSD.org>; <cvs-all@FreeBSD.org> > Sent: Saturday, November 23, 2002 7:57 AM > Subject: cvs commit: src/sys/kern kern_thread.c src/sys/sys proc.h src/sys/i386/i386 vm_machdep.c src/sys/alpha/alpha vm_machdep.c src/sys/ia64/ia64 vm_machdep.c src/sys/powerpc/powerpc vm_machdep.c src/sys/sparc64/sparc64 vm_machdep.c > > mux 2002/11/22 15:57:02 PST > > Modified files: > sys/kern kern_thread.c > sys/sys proc.h > sys/i386/i386 vm_machdep.c > sys/alpha/alpha vm_machdep.c > sys/ia64/ia64 vm_machdep.c > sys/powerpc/powerpc vm_machdep.c > sys/sparc64/sparc64 vm_machdep.c > Log: > Under certain circumstances, we were calling kmem_free() from > i386 cpu_thread_exit(). This resulted in a panic with WITNESS > since we need to hold Giant to call kmem_free(), and we weren't > helding it anymore in cpu_thread_exit(). We now do this from a > new MD function, cpu_thread_dtor(), called by thread_dtor(). > > Approved by: re@ > Suggested by: jhb > > Revision Changes Path > 1.75 +5 -0 src/sys/alpha/alpha/vm_machdep.c > 1.194 +17 -9 src/sys/i386/i386/vm_machdep.c > 1.49 +5 -0 src/sys/ia64/ia64/vm_machdep.c > 1.66 +3 -0 src/sys/kern/kern_thread.c > 1.78 +5 -0 src/sys/powerpc/powerpc/vm_machdep.c > 1.28 +5 -0 src/sys/sparc64/sparc64/vm_machdep.c > 1.283 +1 -0 src/sys/sys/proc.h > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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