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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=52.101.83.103; envelope-from=andrey.drobyshev@virtuozzo.com; helo=GVXPR05CU001.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @virtuozzo.com) X-ZM-MESSAGEID: 1785856991690158500 Content-Type: text/plain; charset="utf-8" When calling 'qemu bt' / 'qemu coroutine' in a live process, we get: AttributeError: 'NoneType' object has no attribute 'restore_regs' That's because for both commands finally: blocks attempt to restore patched regs unconditionally. Fix this by guarding regs restoration by 'if is_coredump'. Fixes: 42f3c143c3a0 ("scripts/qemugdb: coroutine: Add option for obtaining = detailed trace in coredump") Signed-off-by: Andrey Drobyshev --- scripts/qemugdb/coroutine.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index d3f31bab9fe..649579378db 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -354,7 +354,8 @@ def invoke(self, arg, from_tty): bt_jmpbuf(coroutine_to_jmpbuf(gdb.parse_and_eval(argv[0])), is_coredump, detailed=3Ddetailed) finally: - coredump.restore_regs() + if is_coredump: + coredump.restore_regs() =20 class CoroutineBt(gdb.Command): __doc__ =3D textwrap.dedent("""\ @@ -409,7 +410,8 @@ def invoke(self, arg, from_tty): bt_jmpbuf(coroutine_to_jmpbuf(co_ptr), is_coredump, detailed=3Ddetailed) finally: - coredump.restore_regs() + if is_coredump: + coredump.restore_regs() =20 class CoroutineSPFunction(gdb.Function): def __init__(self): --=20 2.47.1