[Bug 204426] Processes terminating cannot access memory
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Sun Feb 21 21:36:43 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426
--- Comment #45 from Robert Blayzor <rblayzor at inoc.net> ---
#0 0x000000080120716f in __thr_fork ()
at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c:257
257 /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c: No
such file or directory.
in /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c
Cannot find new threads: generic error
(gdb) bt full
#0 0x000000080120716f in __thr_fork ()
at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c:257
rtld_locks = Cannot access memory at address 0x7fffffffc7d0
Current language: auto; currently minimal
(gdb) x/i $rip
0x80120716f <__thr_fork+751>: mov %ecx,(%rax)
(gdb) info registers
rax 0x8026a9358 34400277336
rbx 0x0 0
rcx 0x4 4
rdx 0x1 1
rsi 0x8030064e8 34410095848
rdi 0x3 3
rbp 0x7fffffffc820 0x7fffffffc820
rsp 0x7fffffffc7c0 0x7fffffffc7c0
r8 0x0 0
r9 0xfffff800484e49e0 -8794879931936
r10 0x1 1
r11 0x246 582
r12 0x803006400 34410095616
r13 0x76b5b0 7779760
r14 0x6f3f 28479
r15 0x0 0
rip 0x80120716f 0x80120716f <__thr_fork+751>
eflags 0x10202 66050
cs 0x43 67
ss 0x3b 59
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
(gdb)
procstat -v exim.core
PID START END PRT RES PRES REF SHD FL TP PATH
99063 0x400000 0x560000 r-x 313 626 2 1 CN-- vn
/usr/local/sbin/exim
99063 0x760000 0x76a000 rw- 10 0 1 0 CN-- vn
/usr/local/sbin/exim
99063 0x76a000 0x779000 rw- 5 5 1 0 CN-- df
99063 0x800760000 0x80077e000 r-x 30 32 31 0 CN-- vn
/libexec/ld-elf.so.1
99063 0x80077e000 0x800785000 rw- 7 7 1 0 CN-- df
99063 0x800787000 0x8007b7000 rw- 40 40 1 0 CN-- df
99063 0x80097d000 0x80097f000 rw- 2 2 1 0 CN-- df
99063 0x80097f000 0x80098d000 r-x 14 16 11 3 CN-- vn
99063 0x80098d000 0x800b8d000 --- 0 0 1 0 CN-- df
99063 0x800b8d000 0x800b8e000 rw- 1 0 1 0 CN-- vn
99063 0x800b8e000 0x800b9f000 rw- 0 0 0 0 ---- --
99063 0x800b9f000 0x800bc8000 r-x 41 46 18 6 CN-- vn
99063 0x800bc8000 0x800dc7000 --- 0 0 1 0 CN-- df
99063 0x800dc7000 0x800dc8000 rw- 1 0 1 0 CN-- vn
99063 0x800dc8000 0x800dd8000 r-x 16 18 25 10 CN-- vn
99063 0x800dd8000 0x800fd8000 --- 0 0 1 0 CN-- df
99063 0x800fd8000 0x800fd9000 rw- 1 0 1 0 CN-- vn
99063 0x800fd9000 0x800fdb000 rw- 0 0 0 0 ---- --
99063 0x800fdb000 0x800ff3000 r-x 24 27 2 1 CN-- vn
99063 0x800ff3000 0x8011f3000 --- 0 0 1 0 CN-- df
99063 0x8011f3000 0x8011f5000 rw- 2 0 1 0 CN-- vn
99063 0x8011f5000 0x80120d000 r-x 24 26 23 8 CN-- vn
/lib/libthr.so.3
99063 0x80120d000 0x80140d000 --- 0 0 1 0 CN-- df
99063 0x80140d000 0x80140e000 rw- 1 0 1 0 CN-- vn
/lib/libthr.so.3
99063 0x80140e000 0x80141a000 rw- 12 12 1 0 C--- df
99063 0x80141a000 0x801445000 r-x 39 43 2 1 CN-- vn
99063 0x801445000 0x801645000 --- 0 0 1 0 CN-- df
99063 0x801645000 0x801648000 rw- 3 0 1 0 CN-- vn
99063 0x801648000 0x80181d000 r-x 429 438 9 2 CN-- vn
/usr/local/lib/perl5/5.22/mach/CORE/libperl.so.5.22.1
99063 0x80181d000 0x801a1c000 --- 0 0 1 0 CN-- df
99063 0x801a1c000 0x801a25000 rw- 9 0 1 0 CN-- vn
/usr/local/lib/perl5/5.22/mach/CORE/libperl.so.5.22.1
99063 0x801a25000 0x801a88000 r-x 81 92 8 4 CN-- vn
/usr/lib/libssl.so.7
99063 0x801a88000 0x801c88000 --- 0 0 1 0 CN-- df
99063 0x801c88000 0x801c92000 rw- 10 0 1 0 CN-- vn
/usr/lib/libssl.so.7
99063 0x801c92000 0x801e5f000 r-x 461 501 12 6 CN-- vn
/lib/libcrypto.so.7
99063 0x801e5f000 0x80205f000 --- 0 0 1 0 CN-- df
99063 0x80205f000 0x802087000 rw- 40 0 1 0 CN-- vn
/lib/libcrypto.so.7
99063 0x802087000 0x802089000 rw- 1 1 1 0 CN-- df
99063 0x802089000 0x8020fe000 r-x 43 44 7 3 CN-- vn
99063 0x8020fe000 0x8022fd000 --- 0 0 1 0 CN-- df
99063 0x8022fd000 0x8022fe000 rw- 1 0 1 0 CN-- vn
99063 0x8022fe000 0x802476000 r-x 376 390 55 24 CN-- vn
/lib/libc.so.7
99063 0x802476000 0x802675000 --- 0 0 1 0 CN-- df
99063 0x802675000 0x802681000 rw- 12 0 1 0 CN-- vn
/lib/libc.so.7
99063 0x802681000 0x8026ab000 rw- 11 0 1 0 C--- df
99063 0x8026ab000 0x8026b5000 r-x 10 14 7 3 CN-- vn
/usr/local/lib/libintl.so.8.1.4
99063 0x8026b5000 0x8028b5000 --- 0 0 1 0 CN-- df
99063 0x8028b5000 0x8028b6000 rw- 1 0 1 0 CN-- vn
/usr/local/lib/libintl.so.8.1.4
99063 0x802c00000 0x803400000 rw- 222 222 1 0 C--- df
99063 0x7fffdfffe000 0x7fffdffff000 --- 0 0 0 0 ---- --
99063 0x7ffffffdf000 0x7ffffffff000 rw- 10 10 1 0 C--D df
99063 0x7ffffffff000 0x800000000000 r-x 1 1 33 0 ---- ph
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