4.11 vm crash on Apr 28th kernel ...

[Marc G. Fournier]

Server was running fine for 62 days, did an upgrade on the 28th, and the 
29th it crashed with:

(kgdb) where
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1  0x80161f7b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:316
#2  0x801623ed in panic (fmt=0x802840a0 "vm_page_remove(): page not found in hash") at /usr/src/sys/kern/kern_shutdown.c:595
#3  0x80217147 in vm_page_remove (m=0x80c3a3cc) at /usr/src/sys/vm/vm_page.c:461
#4  0x802177c8 in vm_page_free_toq (m=0x80c3a3cc) at /usr/src/sys/vm/vm_page.c:1104
#5  0x80216190 in vm_object_collapse (object=0xbb81e61c) at /usr/src/sys/vm/vm_page.h:514
#6  0x802153a4 in vm_object_deallocate (object=0xbcbb5508) at /usr/src/sys/vm/vm_object.c:368
#7  0x80216439 in vm_object_collapse (object=0xbc7201cc) at /usr/src/sys/vm/vm_object.c:1504
#8  0x80212bde in vm_map_copy_entry (src_map=0xb59d6f80, dst_map=0xbc17c580, src_entry=0xbad06600, dst_entry=0xbd536e10) at /usr/src/sys/vm/vm_map.c:2407
#9  0x80212e53 in vmspace_fork (vm1=0xb59d6f80) at /usr/src/sys/vm/vm_map.c:2543
#10 0x8020fd16 in vm_fork (p1=0xb59d1ba0, p2=0xbe750780, flags=20) at /usr/src/sys/vm/vm_glue.c:232
#11 0x8015b313 in fork1 (p1=0xb59d1ba0, flags=20, procp=0xbad28f20) at /usr/src/sys/kern/kern_fork.c:521
#12 0x8015aa42 in fork (p=0xb59d1ba0, uap=0xbad28f80) at /usr/src/sys/kern/kern_fork.c:100
#13 0x8024f6ad in syscall2 (frame={tf_fs = 47, tf_es = 2143223855, tf_ds = -1160642513, tf_edi = 135274764, tf_esi = 0, tf_ebp = 2143282144,
       tf_isp = -1160605740, tf_ebx = 0, tf_edx = 2143279088, tf_ecx = 19, tf_eax = 2, tf_trapno = 12, tf_err = 2, tf_eip = 673473280, tf_cs = 31,
       tf_eflags = 582, tf_esp = 2143279124, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1175
#14 0x8023c19b in Xint0x80_syscall ()
#15 0x806deb4 in ?? ()
#16 0x804c21a in ?? ()
(kgdb) quit
mars#

Can't see how it could/would relate to recent MFCs, but if anyone is 
interested in more information, please let me know ...


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Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org           Yahoo!: yscrappy              ICQ: 7615664