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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug tdep/29423] New: [gdb, tdep/aarch64] FAIL:
 gdb.base/watchpoint-unaligned.exp: continue (timeout)
Date: Thu, 28 Jul 2022 11:39:29 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29423

            Bug ID: 29423
           Summary: [gdb, tdep/aarch64] FAIL:
                    gdb.base/watchpoint-unaligned.exp: continue (timeout)
           Product: gdb
           Version: 12.1
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tdep
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

On aarch64 in OBS, I run into:
...
(gdb) watch data.u.size8twice[1]^M
Hardware watchpoint 241: data.u.size8twice[1]^M
(gdb) continue^M
Continuing.^M
FAIL: gdb.base/watchpoint-unaligned.exp: continue (timeout)
FAIL: gdb.base/watchpoint-unaligned.exp: size8twice write
...

The timeout reproduces consistently on multiple configurations (distro vers=
ion,
pie vs no-pie).

Not yet reproduced outside OBS.

On actual hardware the test-case passes consistently, and fast, under 3
seconds.  Even when forcefully switching back the last bit to software
watchpoints, the whole test still takes under 3 seconds.

AFAICT, this is the only watchpoint test that fails for me on aarch64.

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