Hi, (gdb) up #1 0x00007f79042e1ee4 in PR_WaitCondVar (cvar=0x14196f0, timeout=4294967295) at ../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:405 405 ../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c: No such file or directory. in ../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c /usr/lib/debug/lib64/libnspr4.so.debug <0>: Abbrev Number: 1 (DW_TAG_compile_unit) <11> DW_AT_name : (indirect string, offset: 0x7d): ../.././mozilla/nsprpub/pr/src/prvrsion.c <15> DW_AT_comp_dir : (indirect string, offset: 0x14c): /usr/src/debug/nspr-4.7.0.99.2/pr/src ls: cannot access /usr/src/debug/nspr-4.7.0.99.2/pr/src/../.././mozilla/nsprpub/pr/src/prvrsion.c: No such file or directory ls: cannot access /usr/src/debug/nspr-4.7.0.99.2/pr/src: No such file or directory -rw-r--r-- 1 root root 4715 2004-04-25 11:00 /usr/src/debug/nspr-4.7.0.99.2/./mozilla/nsprpub/pr/src/prvrsion.c -rw-r--r-- 1 root root 4715 2004-04-25 11:00 /usr/src/debug/nspr-4.7.0.99.2/mozilla/nsprpub/pr/src/prvrsion.c We should not insist the current directory of CU exists as it may be omitted if it would be empty. The other opinion may be there is a bug in the debuginfo generator and the empty directories should still exist there. One may also normalize the directories listed in the debuginfo files. No regressions on x86_64-fedora-9. Regards, Jan