[rt-users] apache httpd segfaults

[Aleksey Tsalolikhin]

On Fri, Jan 21, 2011 at 4:12 PM, Aleksey Tsalolikhin
<atsaloli.tech at gmail.com> wrote:
> My RT 3.8.8 has lost its prettiness.  It's text-based now, no colors
> or graphics, only text.  It does work, but it isn't pretty.   No
> buttons, only links.
>
> The only errors I can find are in the Apache httpd log, and it seems
> each time I click on a link within RT, I get a message like this in my
> httpd error log:
>
> [Fri Jan 21 16:05:06 2011] [notice] child pid 32708 exit signal
> Segmentation fault (11)
>
> I use postgres 8.4 on the backend.
>
> Would appreciate any suggestions for troubleshooting this.


This is on CentOS 5.5 and Apache httpd 2.2

strace of the apache httpd process shows the following:
open("/usr/lib/perl5/5.8.8/PerlIO.pm", O_RDONLY) = 60
ioctl(60, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff0aee6850) = -1 ENOTTY
(Inappropriate ioctl for device)
lseek(60, 0, SEEK_CUR)                  = 0
read(60, "package PerlIO;\n\nour $VERSION = "..., 4096) = 4096
lseek(60, 382, SEEK_SET)                = 382
lseek(60, 0, SEEK_CUR)                  = 382
close(60)                               = 0
stat("/opt/rt3/bin/../local/lib/PerlIO/scalar.pmc", 0x7fff0aee6c00) =
-1 ENOENT (No such file or directory)
stat("/opt/rt3/bin/../local/lib/PerlIO/scalar.pm", 0x7fff0aee6ac0) =
-1 ENOENT (No such file or directory)
stat("/opt/rt3/bin/../lib/PerlIO/scalar.pmc", 0x7fff0aee6c00) = -1
ENOENT (No such file or directory)
stat("/opt/rt3/bin/../lib/PerlIO/scalar.pm", 0x7fff0aee6ac0) = -1
ENOENT (No such file or directory)
stat("/usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pmc",
0x7fff0aee6c00) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pm",
0x7fff0aee6ac0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/site_perl/5.8.8/PerlIO/scalar.pmc",
0x7fff0aee6c00) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/site_perl/5.8.8/PerlIO/scalar.pm",
0x7fff0aee6ac0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/site_perl/PerlIO/scalar.pmc", 0x7fff0aee6c00) =
-1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/site_perl/PerlIO/scalar.pm", 0x7fff0aee6ac0) = -1
ENOENT (No such file or directory)
stat("/usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pmc",
0x7fff0aee6c00) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pm",
0x7fff0aee6ac0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/vendor_perl/5.8.8/PerlIO/scalar.pmc",
0x7fff0aee6c00) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/vendor_perl/5.8.8/PerlIO/scalar.pm",
0x7fff0aee6ac0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/vendor_perl/PerlIO/scalar.pmc", 0x7fff0aee6c00) =
-1 ENOENT (No such file or directory)
stat("/usr/lib/perl5/vendor_perl/PerlIO/scalar.pm", 0x7fff0aee6ac0) =
-1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pmc",
0x7fff0aee6c00) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pm",
{st_mode=S_IFREG|0644, st_size=979, ...}) = 0
open("/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/PerlIO/scalar.pm",
O_RDONLY) = 60
ioctl(60, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff0aee6850) = -1 ENOTTY
(Inappropriate ioctl for device)
lseek(60, 0, SEEK_CUR)                  = 0
read(60, "package PerlIO::scalar;\nour $VER"..., 4096) = 979
lseek(60, 108, SEEK_SET)                = 108
lseek(60, 0, SEEK_CUR)                  = 108
close(60)                               = 0
stat("/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/auto/PerlIO/scalar/scalar.so",
{st_mode=S_IFREG|0755, st_size=11024, ...}) = 0
stat("/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/auto/PerlIO/scalar/scalar.bs",
0x2b8fb08059a0) = -1 ENOENT (No such file or directory)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
chdir("/etc/httpd")                     = 0
rt_sigaction(SIGSEGV, {SIG_DFL, [], SA_RESTORER|SA_INTERRUPT,
0x2b8f9056bb10}, {SIG_DFL, [], SA_RESTORER|SA_RESETHAND,
0x2b8f9056bb10}, 8) = 0
kill(8729, SIGSEGV)                     = 0
rt_sigreturn(0x2219)                    = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---


my httpd config for rt has not changed, I still have


    <Location /NoAuth/images>
        SetHandler default
    </Location>