[Bug threads/27812] New: [m32] linux-nat.c:1765: internal-error: virtual void linux_nat_target::resume(ptid_t, int, gdb_signal): Assertion `signo == GDB_SIGNAL_0' failed

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27812

            Bug ID: 27812
           Summary: [m32] linux-nat.c:1765: internal-error: virtual void
                    linux_nat_target::resume(ptid_t, int, gdb_signal):
                    Assertion `signo == GDB_SIGNAL_0' failed
           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: ---

On the openSUSE tumbleweed gdb package (based on gdb 10.1) when testing on
target board unix/-m32/-fno-PIE/-no-pie, I run into:
...
FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: step thread 3
FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: first continue
FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: second continue (GDB
internal error)
FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: third continue (the
program is no longer running)
...

In more detail:
...
(gdb) PASS: gdb.threads/simultaneous-step-resume-breakpoint.exp: step thread 2
step^M
sleep: Invalid argument^M
simultaneous-step-resume-breakpoint:
/home/abuild/rpmbuild/BUILD/gdb-10.1/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c:48:
func: Assertion `i == 0' failed.^M
^M
Thread 2 "simultaneous-st" received signal SIGABRT, Aborted.^M
[Switching to Thread 0xf7dcbb40 (LWP 24281)]^M
0xf7fd5159 in __kernel_vsyscall ()^M
(gdb) FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: step thread 3
continue^M
Continuing.^M
sleep: Invalid argument^M
simultaneous-step-resume-breakpoint:
/home/abuild/rpmbuild/BUILD/gdb-10.1/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c:48:
func: Assertion `i == 0' failed.^M
^M
Thread 3 received signal SIGABRT, Aborted.^M
[Switching to Thread 0xf75cab40 (LWP 24294)]^M
Cannot remove breakpoints because program is no longer writable.^M
Further execution is probably impossible.^M
0xf7fd5159 in __kernel_vsyscall ()^M
(gdb) FAIL: gdb.threads/simultaneous-step-resume-breakpoint.exp: first continue
continue^M
Continuing.^M
../../gdb/linux-nat.c:1765: internal-error: virtual void
linux_nat_target::resume(ptid_t, int, gdb_signal): Assertion `signo ==
GDB_SIGNAL_0' failed.^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
Quit this debugging session? (y or n) FAIL:
gdb.threads/simultaneous-step-resume-breakpoint.exp: second continue (GDB
internal error)
...

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