Red Hat Bugzilla – Bug 459434
LTSP ldm core dump
Last modified: 2009-01-29 16:38:12 EST
Description of problem: Fedora 9 server running LTSP 5 with. Getting ldm segfaults. Problem reported in #ltsp on irc.freenode.net The error is only generated with the following client: AOpen PT75 (SIS 6326 Chipset). The error is as follows: xauth: Creating new authority file /var/run/ldm-xauth-oQR0egdsB /usr/share/ltsp/screen.d/ldm: line 105: 1370 Segmentation fault ldm vt${TTY} ${DISP} ${XARGS} The core has been dumped and sent out. Version-Release number of selected component (if applicable): ldm-2.0.11-1.fc9.i386 How reproducible: As the sun rises and sets Steps to Reproduce: 1.Install LTSP5 in Fedora 9 2.run the following RPM: http://togami.com/~k12linux-temporary/fedora/9/i386/ltspfs-server-5.1.19-1.fc9.i386.rpm 3.use the etherboot-tagged image that is generated after re-building an i386 ltsp image Actual results: core dump Expected results: Clean booting client without a core dump Additional info:
#0 __libc_free (mem=0xb7ef2000) at malloc.c:3599 #1 0x002c1a64 in _IO_free_backup_area (fp=0x89017a8) at genops.c:214 #2 0x002bf8b8 in _IO_new_file_overflow (f=0x89017a8, ch=-1) at fileops.c:853 #3 0x002be994 in _IO_new_file_xsputn (f=0x89017a8, data=0x804b95d, n=27) at fileops.c:1348 #4 0x00293d0f in _IO_vfprintf_internal (s=0x89017a8, format=0x804b95d "Process returned no status\n", ap=0xbfbfa9ec "��\004\b\n") at vfprintf.c:1315 #5 0x0034bbb7 in ___fprintf_chk (fp=0x89017a8, flag=1, format=0x804b95d "Process returned no status\n") at fprintf_chk.c:37 #6 0x0804940d in ldm_wait (pid=1383) at /usr/include/bits/stdio2.h:98 #7 0x080494ea in die (msg=0x804b7f4 "ERROR: get_userid from greeter failed") at ldm.c:73 #8 0x0804a45b in main (argc=Cannot access memory at address 0xb7ef2000 ) at ldm.c:461 ldm-2.0.11-1.fc9.i386
This was fixed with the ldm and X race condition fix.