[Bug 204426] Processes terminating cannot access memory

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Apr 1 12:38:43 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426

--- Comment #79 from Robert Blayzor <rblayzor at inoc.net> ---
Here you go...

9718 vm_fault OBJ_DEAD 0xfffff8000afb4330
pid 9718 kpf 2
9718 vm_fault OBJ_DEAD 0xfffff8000afb4330
pid 9718 kpf 2
9718 vm_fault OBJ_DEAD 0xfffff8000afb4330
pid 9718 kpf 2
9718 vm_fault OBJ_DEAD 0xfffff8000afb4330
pid 9718 kpf 2
Failed to write core file for process dovecot (error 14)
pid 9718 (dovecot), uid 0: exited on signal 11


(gdb) bt full
#0  0x000000000040a85a in service_process_create ()
No symbol table info available.
Cannot access memory at address 0x7fffffffae18



procstat -v dovecot.core
  PID              START                END PRT  RES PRES REF SHD   FL TP PATH
 9718           0x400000           0x411000 r-x   17   17   2   0 CN-- vn
 9718           0x610000           0x611000 rw-    1    1   2   1 CN-- df
 9718        0x800610000        0x80062e000 r-x   30   30  33   0 CN-- vn
/libexec/ld-elf.so.1
 9718        0x80062e000        0x80065c000 rw-   36   36   2   1 CN-- df
 9718        0x80082d000        0x80082f000 rw-    2    2   2   0 CN-- df
 9718        0x80082f000        0x800922000 r-x  171  177  35  17 CN-- vn
/usr/local/lib/dovecot/libdovecot.so.0.0.0
 9718        0x800922000        0x800b22000 ---    0    0   2   0 CN-- df
 9718        0x800b22000        0x800b28000 rw-    6    0   2   1 CN-- vn
/usr/local/lib/dovecot/libdovecot.so.0.0.0
 9718        0x800b28000        0x800b2a000 rw-    2    2   2   1 CN-- df
 9718        0x800b2a000        0x800ca2000 r-x  376  387  64  31 CN-- vn
/lib/libc.so.7
 9718        0x800ca2000        0x800ea1000 ---    0    0   2   0 CN-- df
 9718        0x800ea1000        0x800ead000 rw-   12    0   2   0 CN-- vn
/lib/libc.so.7
 9718        0x800ead000        0x800ed7000 rw-   13   13   2   0 CN-- df
 9718        0x801000000        0x801800000 rw-   94    0   1   0 C--- df
 9718     0x7ffffffdf000     0x7ffffffff000 rw-    8    0   1   0 C--D df
 9718     0x7ffffffff000     0x800000000000 r-x    1    1  35   0 ---- ph

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