Displaying 3 results from an estimated 3 matches for "__unaligned_load".
2018 Feb 21
5
Auth SEGV on sparc64, alignment problem?
...: command startup failed, throttling for 8 secs
Feb 20 16:55:37 westeros dovecot: auth: Fatal: master: service(auth): child 25400 killed with signal 11 (core dumped)
Loading the core file, as described https://www.dovecot.org/bugreport.html , shows the error in libc somewhere:
(gdb) bt full
#0 __unaligned_load (
p=0x617070656e640e6d <Address 0x617070656e640e6d out of bounds>, size=4)
at /usr/src/release-11.1.0/lib/libc/sparc64/sys/__sparc_utrap_align.c:45
val = 0
i = 0
#1 0x00000000109f9f6c in __unaligned_fixup (uf=0x7fdffffee40)
at /usr/src/release-11.1.0/lib/libc/sparc64/sys/__spar...
2018 Feb 22
0
Auth SEGV on sparc64, alignment problem?
...error in libc
> somewhere:
I read the your other mails in this thread; can you run things as before and
do a 'bt full' on the core file with the debug-symbol-enabled libdovecot?
gdb seems to be catching the SIGTRAPs, which is making things a bit confusing.
> (gdb) bt full
> #0 __unaligned_load (
> p=0x617070656e640e6d <Address 0x617070656e640e6d out of bounds>, size=4)
This address looks like ASCII - "append\x0em", so my theory at the moment
is:
(1) something clobbers a pointer
(2) the CPU attempts to execute a load from the address
(3) a utrap is generated to ha...
2018 Feb 21
0
Auth SEGV on sparc64, alignment problem?
...rottling for 8 secs
> Feb 20 16:55:37 westeros dovecot: auth: Fatal: master: service(auth): child 25400 killed with signal 11 (core dumped)
>
> Loading the core file, as described https://www.dovecot.org/bugreport.html , shows the error in libc somewhere:
>
> (gdb) bt full
> #0 __unaligned_load (
> p=0x617070656e640e6d <Address 0x617070656e640e6d out of bounds>, size=4)
> at /usr/src/release-11.1.0/lib/libc/sparc64/sys/__sparc_utrap_align.c:45
> val = 0
> i = 0
> #1 0x00000000109f9f6c in __unaligned_fixup (uf=0x7fdffffee40)
> at /usr/src/release-11.1...