Date: Fri, 17 Jan 2003 13:32:49 -0800 From: Arun Sharma <arun.sharma@intel.com> To: freebsd-ia64@freebsd.org Subject: Page not present in softclock() Message-ID: <200301172132.h0HLWnr15362@unix-os.sc.intel.com>
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When I tried to do a buildworld this morning, my bigsur running a SMP
kernel panic'ed.
trap vector = 0x14 (Page not present)
cr.iip = 0xe0000000007520d0 (ei = 1)
cr.ifa = 0x10000002c
pid = 14, comm = swi6: tty:sio clock
0xe0000000007520c1 <softclock+417>: nop.f 0x0
0xe0000000007520c2 <softclock+418>: nop.b 0x0
0xe0000000007520d0 <softclock+432>: [MMI] adds r14=16,r16;;
0xe0000000007520d1 <softclock+433>: ld4 r14=[r14] <-- panic
0xe0000000007520d2 <softclock+434>: nop.i 0x0;;
0xe0000000007520e0 <softclock+448>: [MFB] cmp4.eq p6,p7=r36,r14
kern/kern_timeout.c:
156 c = TAILQ_FIRST(bucket);
157 while (c) {
158 if (c->c_time != curticks) { <-- panic
159 c = TAILQ_NEXT(c, c_links.tqe);
160 ++steps;
Looks like the queue got corrupted somehow.
-Arun
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