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Thu, 19 Mar 2026 11:21:36 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.45.242.6]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 994E81800576; Thu, 19 Mar 2026 11:21:35 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 0C5CF21E6937; Thu, 19 Mar 2026 12:21:33 +0100 (CET) From: Markus Armbruster To: Thomas Huth Cc: Mark Cave-Ayland , qemu-devel@nongnu.org, qemu-trivial@nongnu.org, BALATON Zoltan , Artyom Tarasenko Subject: Re: [PATCH] hw/sparc/sun4m_iommu: Fix crash when introspecting sun4m-iommu from the CLI In-Reply-To: <20260317084450.442071-1-thuth@redhat.com> (Thomas Huth's message of "Tue, 17 Mar 2026 09:44:50 +0100") References: <20260317084450.442071-1-thuth@redhat.com> Date: Thu, 19 Mar 2026 12:21:33 +0100 Message-ID: <875x6sawua.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-Mimecast-MFC-PROC-ID: Swo5P6YV5w4Lrk8cji1b0crzN-lfF6J4fTKjQ5x3sBI_1773919296 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-trivial@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-trivial-bounces+qemu-trivial=archiver.kernel.org@nongnu.org Sender: qemu-trivial-bounces+qemu-trivial=archiver.kernel.org@nongnu.org Thomas Huth writes: > From: Thomas Huth > > QEMU currently crashes when introspecting the sun4m-iommu device from the > command line interface: > > $ ./qemu-system-sparc -display none -device sun4m-iommu,help > qemu-system-sparc: ../../devel/qemu/system/physmem.c:1401: > register_multipage: Assertion `num_pages' failed. > Aborted (core dumped) > > There does not seem to be a compelling reason for initializing the > memory regions from the instance_init function, so let's simply move > the code into a realize() function instead to fix this issue. > > Signed-off-by: Thomas Huth Reported-by: Markus Armbruster Tested-by: Markus Armbruster