aarch64 GDB: "Cannot find user-level thread for LWP ###: capability not available"
Bug #1103489 reported by
Leif Lindholm
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linaro AArch64 cross-distro work |
Fix Released
|
Critical
|
Unassigned | ||
Linaro GDB |
Fix Released
|
Undecided
|
Unassigned | ||
Linaro OpenEmbedded |
Fix Released
|
Critical
|
Unassigned |
Bug Description
When trying to run the TBB tests in gdb after compiling (in oe12.12 on the foundation model):
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread
Error (step 1): Internal test error
Assertion k>=0 failed on line 129 of file ../../src/
Detailed description: removed __TBB_InitOnce ref that was not added?
Cannot find user-level thread for LWP 531: capability not available
(gdb) bt
Target is executing.
(gdb) stop
(gdb) bt
Target is executing.
Test and required shared library attached.
affects: | linaro-toolchain-misc → gdb-linaro |
Changed in linaro-oe: | |
importance: | Undecided → Critical |
Changed in linaro-oe: | |
status: | New → Fix Committed |
assignee: | nobody → Marcin Juszkiewicz (hrw) |
milestone: | none → 13.02 |
Changed in linaro-oe: | |
status: | Fix Committed → Fix Released |
Changed in linaro-aarch64: | |
status: | New → Fix Committed |
Changed in linaro-aarch64: | |
importance: | Undecided → Critical |
status: | Fix Committed → Fix Released |
Changed in gdb-linaro: | |
status: | New → Fix Released |
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A quick scan of the code suggests to me that this is actually a problem in glibc. td_ta_map_lwp2thr from libthread_db is returning DB_NOCAPAB for some reason. More investigation is needed.