Package: am-utils Version: 6.2+rc20130922-1 Severity: normal Tags: upstream
the last few eons I get many of those... amd[24631]: segfault at 0 ip 00007f2a7445dd96 sp 00007ffd7760ddb8 error 4 in libc-2.27.so[7f2a74329000+1b1000] this frequent libc crash is not going away (ie. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=727770 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=762071 ); but yet I am getting closer to pinpoint the bugger, and here is a gdb backtrace: Thread 1 "amd" received signal SIGSEGV, Segmentation fault. __strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:173 173 ../sysdeps/x86_64/multiarch/../strcmp.S: No such file or directory. (gdb) bt #0 __strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:173 #1 0x00000000004193ad in ?? () #2 0x0000000000412a0c in ?? () #3 0x0000000000412e2c in ?? () #4 0x0000000000409137 in ?? () #5 0x0000000000409878 in ?? () #6 0x0000000000414c9e in ?? () #7 0x0000000000413619 in ?? () #8 0x00007f776127ea11 in __GI_svc_getreq_common (fd=fd@entry=5) at svc.c:525 #9 0x00007f776127ea71 in __GI_svc_getreqset (readfds=<optimized out>) at svc.c:430 #10 0x0000000000413e75 in ?? () #11 0x0000000000405928 in ?? () #12 0x00007f7761178a87 in __libc_start_main (main=0x405460, argc=5, argv=0x7ffd56495b78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd56495b68) at ../csu/libc-start.c:310 #13 0x0000000000405b06 in ?? () its frequency of occurence is hugely related when remote server machine (which is running NIS+NFS3 or 4? +RPC) is not servicing RPC port-mapper (by processing this and other things) : like... 13/04/2018 11:30 loaka amd[2627] ......... is "${opts}" 13/04/2018 11:30 loaka amd[2627] No fs type specified (key = "/defaults", map = ""root"") 13/04/2018 11:30 loaka amd[2627] did not match defaults for "fs:=${autodir}/${rhost}/root/${rfs}" 13/04/2018 11:30 loaka amd[2627] Expansion of "rhost:=${key};type:=host;rfs:=/"... 13/04/2018 11:30 loaka amd[2627] ......... is "rhost:=rotan;type:=host;rfs:=/" 13/04/2018 11:30 loaka amd[2627] Expansion of "/"... 13/04/2018 11:30 loaka amd[2627] ......... is "/" 13/04/2018 11:30 loaka amd[2627] ......... is "/amd/rotan/root/" 13/04/2018 11:30 loaka amd[2627] NFS: mounting remote server "rotan", remote fs "/" on "/amd/rotan/root" 13/04/2018 11:30 loaka amd[2627] Locating mntfs reference to (/amd/rotan/root,rotan:/) 13/04/2018 11:30 loaka amd[2627] find_nfs_srvr: force NFS version to 3 13/04/2018 11:31 loaka amd[2627] check_pmap_up: failed to contact portmapper on host "rotan.co.co": RPC: Timed out 13/04/2018 11:31 loaka amd[2627] portmapper service not running on rotan.co.co 13/04/2018 11:31 loaka amd[2627] NFS service not running on rotan.co.co 13/04/2018 11:31 loaka amd[2627] find_nfs_srvr: using port 2049 for nfs on rotan.co.co ...crash it is a matter of trying to get an un-stripped version of amd now, and expose the nasty. but I also spotted some interresting improvement work on the original master...: " Author: zoulasc <chris...@zoulas.com> 2016-03-31 19:56:53 Committer: zoulasc <chris...@zoulas.com> 2016-03-31 19:56:53 Parent: c35699a16c2fd6f30be6ad7bee81a3bc0ee51828 (Today's RPC ping change.) Child: d324d2d30c49ac737fb147f0817881a35946b03d (Today's change) Fix SEGV on amq entries that print times. " which could be beneficiary to incorporate ? Thanks. -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (500, 'oldstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.15.0-1-amd64 (SMP w/2 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) LSM: AppArmor: enabled Versions of packages am-utils depends on: ii debconf 1.5.66 ii debianutils 4.8.4 ii libamu4 6.2+rc20130922-1 ii libc6 2.27-2 ii libgdbm3 1.8.3-14 ii libhesiod0 3.2.1-3+b1 ii libldap-2.4-2 2.4.45+dfsg-1 ii libwrap0 7.6.q-27 ii rpcbind [portmap] 0.2.3-0.6 ii ucf 3.0038 am-utils recommends no packages. Versions of packages am-utils suggests: ii am-utils-doc 6.2+rc20110530-3.2 ii nis 3.17.1-1+b2 -- Configuration Files: /etc/am-utils/amd.conf changed [not included] /etc/init.d/am-utils changed [not included] -- no debconf information
