panic: Found mapped cache page

From: Tilman Linneweh <arved_at_FreeBSD.org>
Date: Wed, 14 Jun 2006 12:52:30 +0200
Hi,

With yesterday's CURRENT/amd64 i get a lot of these

regards
tilman

panic: Found mapped cache page 0xffffff003ed13f38
KDB: enter: panic
[thread pid 82919 tid 100114 ]
Stopped at      kdb_enter+0x2f: nop
db> where
Tracing pid 82919 tid 100114 td 0xffffff0027f732b0
kdb_enter() at kdb_enter+0x2f
panic() at panic+0x1d2
vm_page_select_cache() at vm_page_select_cache+0x10c
vm_page_alloc() at vm_page_alloc+0xe9
vm_fault() at vm_fault+0xa25
trap_pfault() at trap_pfault+0x13c
trap() at trap+0x42b
calltrap() at calltrap+0x5


#8  0xffffffff802b8002 in panic (
     fmt=0xffffffff80504010 "Found mapped cache page %p")
     at /usr/src/sys/kern/kern_shutdown.c:549
         bootopt = 256
         newpanic = 18
         ap = {{gp_offset = 16, fp_offset = 48,
     overflow_arg_area = 0xffffffffa3c6b910,
     reg_save_area = 0xffffffffa3c6b830}}
         buf = "Found mapped cache page 0xffffff003f6a2180", '\0'  
<repeats 213 ti
mes>
#9  0xffffffff80438c1c in vm_page_select_cache (color=1)
     at /usr/src/sys/vm/vm_page.c:765
         object = 0x0
         m = 0xffffff003f6a2180
         was_trylocked = 1
#10 0xffffffff80438d39 in vm_page_alloc (object=0xffffff000b77d0c8,
     pindex=16662, req=64) at /usr/src/sys/vm/vm_page.c:841
         m = 0xffffff003c577700
         color = 1
         flags = 0
         page_req = 0
#11 0xffffffff8042af65 in vm_fault (map=0xffffff00312eb588,
     vaddr=34484609024, fault_type=2 '\002', fault_flags=8)
---Type <return> to continue, or q <return> to quit---
     at /usr/src/sys/vm/vm_fault.c:453
         retry_object = 0xffffffff802c32d4
         retry_pindex = 18446744072162294368
         retry_prot = 0 '\0'
         prot = 3 '\003'
         is_first_object_locked = 825144712
         result = 0
         growstack = 1
         wired = 0
         map_generation = 1976
         next_object = 0x0
         marray = {0xffffff0027d1a2b0, 0xffffff00312eb588,  
0xffffffffa3c6bb50,
   0xffffffff804340f1, 0xffffffff00000000, 0x0, 0x0, 0xc,  
0xffffffffa3c6bc70,
   0x0, 0xffffff0027d1a203, 0xffffffffa3c6bc80, 0xffffff0027d1a2b0,
   0x807710000, 0xffffff00293dd380, 0xffffff0027d1a2b0}
         hardfault = 0
         fs = {m = 0x0, object = 0xffffff000b77d0c8, pindex = 16662,
   first_m = 0x0, first_object = 0xffffff000b77d0c8, first_pindex =  
16662,
   map = 0xffffff00312eb588, entry = 0xffffff0026400460,
   lookup_still_valid = 1, vp = 0x0}
#12 0xffffffff8045a0cc in trap_pfault (frame=0xffffffffa3c6bc80,  
usermode=1)
     at /usr/src/sys/amd64/amd64/trap.c:586
         va = 34484609024
         vm = (struct vmspace *) 0x0
         map = 0xffffff00312eb588
         rv = 2
         ftype = 2 '\002'
         p = (struct proc *) 0xffffff00293dd380
         eva = 34484609024
Received on Wed Jun 14 2006 - 08:52:40 UTC

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