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* [Bug threads/28375] New: Cannot find user-level thread for LWP: generic error
@ 2021-09-22 12:38 vries at gcc dot gnu.org
2024-07-29 11:52 ` [Bug threads/28375] " luis.machado at arm dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: vries at gcc dot gnu.org @ 2021-09-22 12:38 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28375
Bug ID: 28375
Summary: Cannot find user-level thread for LWP: generic error
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: threads
Assignee: unassigned at sourceware dot org
Reporter: vries at gcc dot gnu.org
Target Milestone: ---
With patch:
...
diff --git a/gdb/testsuite/gdb.threads/process-dies-while-detaching.exp
b/gdb/testsuite/gdb
.threads/process-dies-while-detaching.exp
index ac1aad26ec5..3b59afb2fcf 100644
--- a/gdb/testsuite/gdb.threads/process-dies-while-detaching.exp
+++ b/gdb/testsuite/gdb.threads/process-dies-while-detaching.exp
@@ -240,6 +240,7 @@ proc test_detach_watch {multi_process cmd} {
global binfile decimal
clean_restart ${binfile}
+ gdb_test_no_output "set can-use-hw-watchpoints 0"
if ![runto_main] {
fail "can't run to main"
@@ -255,14 +256,16 @@ proc test_detach_watch {multi_process cmd} {
}
# Set a watchpoint in the child.
- gdb_test "watch globalvar" ".* watchpoint $decimal: globalvar"
+ gdb_test "watch globalvar" "Watchpoint $decimal: globalvar"
# Continue to the _exit breakpoint. This arms the watchpoint
# registers in all threads. Detaching will thus need to clear
# them out, and handle the case of the thread disappearing
# while doing that (on targets that need to detach from each
# thread individually).
- continue_to_exit_bp
+ with_timeout_factor 100 {
+ continue_to_exit_bp
+ }
do_detach $multi_process $cmd "normal"
}
...
we run into:
...
(gdb) PASS: gdb.threads/process-dies-while-detaching.exp: single-process:
continue: watchpoint: continue to breakpoint: _exit
continue^M
Continuing.^M
Cannot find user-level thread for LWP 10324: generic error^M
(gdb) FAIL: gdb.threads/process-dies-while-detaching.exp: single-process:
continue: watchpoint: continue
...
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* [Bug threads/28375] Cannot find user-level thread for LWP: generic error
2021-09-22 12:38 [Bug threads/28375] New: Cannot find user-level thread for LWP: generic error vries at gcc dot gnu.org
@ 2024-07-29 11:52 ` luis.machado at arm dot com
2024-07-29 13:27 ` vries at gcc dot gnu.org
2024-07-29 14:08 ` luis.machado at arm dot com
2 siblings, 0 replies; 4+ messages in thread
From: luis.machado at arm dot com @ 2024-07-29 11:52 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28375
Luis Machado <luis.machado at arm dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |luis.machado at arm dot com
--- Comment #1 from Luis Machado <luis.machado at arm dot com> ---
Is this still the case after the following commit?
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=122373f7f25946cfc51de9e19ba1d173195f9910
Just wondering if this was within range of the problematic versions reported.
Someone ran into this today on my end (unknown versions at this point) and I
was doing some research.
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* [Bug threads/28375] Cannot find user-level thread for LWP: generic error
2021-09-22 12:38 [Bug threads/28375] New: Cannot find user-level thread for LWP: generic error vries at gcc dot gnu.org
2024-07-29 11:52 ` [Bug threads/28375] " luis.machado at arm dot com
@ 2024-07-29 13:27 ` vries at gcc dot gnu.org
2024-07-29 14:08 ` luis.machado at arm dot com
2 siblings, 0 replies; 4+ messages in thread
From: vries at gcc dot gnu.org @ 2024-07-29 13:27 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28375
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Luis Machado from comment #1)
> Is this still the case after the following commit?
>
> https://sourceware.org/git/?p=binutils-gdb.git;a=commit;
> h=122373f7f25946cfc51de9e19ba1d173195f9910
>
> Just wondering if this was within range of the problematic versions
> reported. Someone ran into this today on my end (unknown versions at this
> point) and I was doing some research.
The KFAIL still reproduces for me with current trunk:
...
(gdb) PASS: gdb.threads/process-dies-while-detaching.exp: single-process:
continue: watchpoint:sw: watch globalvar
continue^M
Continuing.^M
Cannot find user-level thread for LWP 13033: generic error^M
(gdb) KFAIL: gdb.threads/process-dies-while-detaching.exp: single-process:
continue: watchpoint:sw: continue (PRMS: g\
db/28375)
...
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* [Bug threads/28375] Cannot find user-level thread for LWP: generic error
2021-09-22 12:38 [Bug threads/28375] New: Cannot find user-level thread for LWP: generic error vries at gcc dot gnu.org
2024-07-29 11:52 ` [Bug threads/28375] " luis.machado at arm dot com
2024-07-29 13:27 ` vries at gcc dot gnu.org
@ 2024-07-29 14:08 ` luis.machado at arm dot com
2 siblings, 0 replies; 4+ messages in thread
From: luis.machado at arm dot com @ 2024-07-29 14:08 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28375
--- Comment #3 from Luis Machado <luis.machado at arm dot com> ---
Thanks for confirming it. Looks like we still have something off that triggers
this.
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end of thread, other threads:[~2024-07-29 14:08 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-09-22 12:38 [Bug threads/28375] New: Cannot find user-level thread for LWP: generic error vries at gcc dot gnu.org
2024-07-29 11:52 ` [Bug threads/28375] " luis.machado at arm dot com
2024-07-29 13:27 ` vries at gcc dot gnu.org
2024-07-29 14:08 ` luis.machado at arm dot com
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