https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230081
Bug ID: 230081
Summary: Missing thread-db lookup symbol "_thread_keytable" in
libthr.so shared library on 11 & 10
Product: Base System
Version: 11.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
The thread_db library source:
https://github.com/freebsd/freebsd/blob/master/lib/libthread_db/libthr_db.c
pt_ta_new() function of thread_db library fails because of a missing symbol
'_thread_keytable' in libthr.so library on FreeBSD 10 & 11.
FreeBSD-10.4:
$ readelf -s /usr/lib/libthr.a | grep _thread_keytable
15: 0000000000000010 4096 OBJECT GLOBAL DEFAULT COM _thread_keytable
$ readelf -s /usr/lib/libthr.so | grep _thread_keytable
320: 0000000000222da0 4096 OBJECT GLOBAL DEFAULT 25
_thread_keytable@@FBSDprivate_1.0
FreeBSD-11.2:
$ readelf -s /usr/lib/libthr.a | grep _thread_keytable
2: 0000000000000000 4096 OBJECT LOCAL DEFAULT 5 _thread_keytable
$ readelf -s /usr/lib/libthr.so | grep _thread_keytable
FreeBSD-12.0: (current)
$ readelf -s /usr/lib/libthr.a | grep _thread_keytable
24: 0000000000000010 4096 OBJECT GLOBAL DEFAULT COM _thread_keytable
$ readelf -s /usr/lib/libthr.so | grep _thread_keytable
277: 000000000001e000 4096 OBJECT GLOBAL DEFAULT 25
_thread_keytable@@FBSDprivate_1.0 (8)
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