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Wed, 26 Aug 2026 15:02:27 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id h51WHwMAj2raRQAAD6G6ig (envelope-from ); Wed, 26 Aug 2026 15:02:27 +0000 From: Fabiano Rosas To: Andrey Drobyshev , qemu-devel@nongnu.org Cc: stefanha@redhat.com, kwolf@redhat.com, peterx@redhat.com, andrey.drobyshev@virtuozzo.com Subject: Re: [PATCH 0/9] scripts/qemugdb: some fixes for 'qemu bt' / 'qemu coroutine' commands In-Reply-To: <20260804151743.937694-1-andrey.drobyshev@virtuozzo.com> References: <20260804151743.937694-1-andrey.drobyshev@virtuozzo.com> Date: Wed, 26 Aug 2026 12:02:21 -0300 Message-ID: <8733w1hqma.fsf@suse.de> MIME-Version: 1.0 Content-Type: text/plain X-Spamd-Result: default: False [-4.28 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.18)[-0.913]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo, suse.de:mid, suse.de:email] Received-SPF: pass client-ip=195.135.223.130; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Andrey Drobyshev writes: > A bunch of fixes for functional bugs, cosmetic improvements and fixes > for annoying failures and corner cases which I encounter when using this > script in gdb sessions. Most of them are basically fixups for my previous > commit 42f3c143c3a0 ("scripts/qemugdb: coroutine: Add option for obtaining > detailed trace in coredump"). Still I did split them up cause it'd be a > mess putting them all together. > > Andrey Drobyshev (9): > scripts/qemugdb: coroutine: Fix selected frame leak on error path > scripts/qemugdb: coroutine: Get rid of fallback pattern when dumping > backtrace > scripts/qemugdb: coroutine: Only attempt to restore regs in coredump > scripts/qemugdb: coroutine: Don't unwind past the outermost frame > scripts/qemugdb: coroutine: Fix patching pt_regs in the coredump > scripts/qemugdb: coroutine: Fix '--detailed' description > scripts/qemugdb: coroutine: Handle target absence gracefully > scripts/qemugdb: coroutine: Speed up coroutine lookup in a coredump > scripts/qemugdb: coroutine: Don't touch the coredump for a plain > backtrace > > scripts/qemugdb/coroutine.py | 135 ++++++++++++++++++++++------------- > 1 file changed, 86 insertions(+), 49 deletions(-) I used this series for debugging both a live process and a coredump. It didn't show any regressions. I can confirm that the exception fixed by patch 4 no longer happens. Tested-by: Fabiano Rosas