Date: Mon, 15 Nov 2004 16:52:40 +0800 From: Xin LI <delphij@frontfree.net> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: Xin LI <delphij@FreeBSD.org> Subject: Re: kern/72539: Panic: vm_page_remove(): page not found in hash Message-ID: <20041115085240.GA3759@frontfree.net> In-Reply-To: <20041114174352.GA876@happy-idiot-talk.infracaninophile.co.uk> References: <200411120350.iAC3o8xF072944@freefall.freebsd.org> <20041114174352.GA876@happy-idiot-talk.infracaninophile.co.uk>
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[-- Attachment #1 --] Hi, Matthew, Would you please have INVARIANTS and INVARIANT_SUPPORT in your kernel configuration and try again? I think it would be helpful for us to figure out what was happening. In addition, Matt Dillon has suggested[1] that you run his vmpageinfo program on the dump, please have a try. [1] http://lists.freebsd.org/pipermail/freebsd-hackers/2004-November/008954.html Thanks in advance! On Sun, Nov 14, 2004 at 05:43:52PM +0000, Matthew Seaman wrote: > On Fri, Nov 12, 2004 at 03:50:08AM +0000, Xin LI wrote: > > > I think this is related on what I am currently working on. Would you > > please try the patch found in: > > http://people.freebsd.org/~delphij/patch-RELENG_4-vm_page.c > > Tried that: unfortunately it seems to have had little effect. That > perl script can still knock over the system in a few minutes -- > although one time I tested, the script ran to completion, but then I > ended up with some weird filesystem corruption, and had to reboot and > fsck manually to clear it. > > Symptoms this time were a little different: X simply froze up, and the > system eventually rebooted after panicing. > > Copyright (c) 1992-2004 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD 4.10-STABLE #88: Sun Nov 14 16:39:39 GMT 2004 > root@happy-idiot-talk.infracaninophile.co.uk:/usr/obj/usr/src/sys/HAPPY-IDIOT-TALK > Timecounter "i8254" frequency 1193182 Hz > Timecounter "TSC" frequency 1400058433 Hz > CPU: AMD Athlon(TM) XP1600+ (1400.06-MHz 686-class CPU) > Origin = "AuthenticAMD" Id = 0x662 Stepping = 2 > Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE, > #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 > 487 if (dumping++) { > (kgdb) bt/full > A syntax error in expression, near `full'. > (kgdb) bt\full > #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 > error = 0 > #1 0xc017fc3b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:316 > howto = 256 > #2 0xc0180079 in panic (fmt=0xc0351bac "%s") > at /usr/src/sys/kern/kern_shutdown.c:595 > fmt = 0xc0351bac "%s" > bootopt = 256 > buf = "page fault", '\000' <repeats 245 times> > #3 0xc02ee11f in trap_fatal (frame=0xd8946e08, eva=15728691) > at /usr/src/sys/i386/i386/trap.c:974 > frame = (struct trapframe *) 0xd8946e08 > code = 16 > type = 12 > ss = 16 > esp = 0 > softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, > ssd_dpl = 0, ssd_p = 1, ssd_xx = 13, ssd_xx1 = 1, ssd_def32 = 1, > ssd_gran = 1} > #4 0xc02eddcd in trap_pfault (frame=0xd8946e08, usermode=0, eva=15728691) > at /usr/src/sys/i386/i386/trap.c:867 > va = 15728640 > vm = (struct vmspace *) 0x0 > map = 0xd7559cc0 > rv = 0 > ftype = 1 '\001' > p = (struct proc *) 0xd8788c20 > #5 0xc02ed973 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, > tf_edi = 134963200, tf_esi = 1, tf_ebp = -661361072, > tf_isp = -661361100, tf_ebx = -661236196, tf_edx = 15728671, > tf_ecx = 6074742, tf_eax = 262139, tf_trapno = 12, tf_err = 0, > tf_eip = -1071181420, tf_cs = 8, tf_eflags = 66050, tf_esp = 0, > tf_ss = -661236196}) at /usr/src/sys/i386/i386/trap.c:466 > p = (struct proc *) 0xd8788c20 > sticks = 15607082675286076940 > i = 0 > ucode = 0 > type = 12 > code = 0 > eva = 15728691 > #6 0xc0271194 in vm_page_lookup (object=0xd896561c, pindex=1) > at /usr/src/sys/vm/vm_page.c:515 > object = 0x0 > pindex = 1 > m = 0x0 > generation = 0 > #7 0xc02ebaa8 in pmap_prefault (pmap=0xd7559d2c, addra=134959104, > entry=0xd75ccf00) at /usr/src/sys/i386/i386/pmap.c:2400 > lobject = 0xd896561c > i = 1 > starta = 134959104 > addr = 134963200 > pindex = 1 > m = 0x0 > mpte = 0x0 > object = 0xd896561c > #8 0xc026971a in vm_fault (map=0xd7559cc0, vaddr=134959104, > fault_type=2 '\002', fault_flags=8) at /usr/src/sys/vm/vm_fault.c:844 > fault_type = 2 '\002' > prot = 3 '\003' > result = 0 > wired = 0 > map_generation = 22 > next_object = 0x0 > marray = {0x0, 0xd8788c20, 0xd8788c20, 0xd7559cc0, 0x80b5000, > 0xc017476f, 0xd8946f28, 0x1, 0xd8788c20, 0x0, 0xd8946f24, 0xd7559cc0, > 0xd7559cc0, 0xd75ccf00, 0xd8946f3c, 0xc02ef8c2} > hardfault = 0 > faultcount = 0 > fs = {m = 0xc11a8e90, object = 0xd896561c, pindex = 0, > first_m = 0xc11a8e90, first_object = 0xd896561c, first_pindex = 0, > map = 0xd7559cc0, entry = 0xd75ccf00, lookup_still_valid = 0, vp = 0x0} > #9 0xc02edd62 in trap_pfault (frame=0xd8946fa8, usermode=1, eva=134960316) > at /usr/src/sys/i386/i386/trap.c:847 > va = 134959104 > vm = (struct vmspace *) 0x0 > map = 0xd7559cc0 > rv = 0 > ftype = 2 '\002' > ---Type <return> to continue, or q <return> to quit--- > p = (struct proc *) 0xd8788c20 > #10 0xc02ed827 in trap (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, > tf_edi = 49694, tf_esi = 135016448, tf_ebp = -1077938976, > tf_isp = -661360684, tf_ebx = 0, tf_edx = 135016448, tf_ecx = 135016448, > tf_eax = 0, tf_trapno = 12, tf_err = 7, tf_eip = 134550919, tf_cs = 31, > tf_eflags = 66118, tf_esp = -1077938980, tf_ss = 47}) > at /usr/src/sys/i386/i386/trap.c:377 > p = (struct proc *) 0xd8788c20 > sticks = 0 > i = 0 > ucode = 0 > type = 12 > code = 0 > eva = 134960316 > #11 0x8051587 in ?? () > No symbol table info available. > #12 0x8051930 in ?? () > No symbol table info available. > #13 0x804b15c in ?? () > No symbol table info available. > #14 0x804ac55 in ?? () > No symbol table info available. > #15 0x804aa1b in ?? () > No symbol table info available. > #16 0x80525f3 in ?? () > No symbol table info available. > #17 0x804813e in ?? () > No symbol table info available. > (kgdb) quit > > Script done on Sun Nov 14 17:40:59 2004 Cheers, -- Xin LI <delphij frontfree net> http://www.delphij.net/ See complete headers for GPG key and other information. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBmG5Y/cVsHxFZiIoRAstQAJ42m9WrC2y1qwqHXlD4iGqqmgCfHACfT0h9 +R5xfqkTLc+GrasKKptEXo0= =cWdZ -----END PGP SIGNATURE-----
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