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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719997757; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=+NrTpNaHAHqpdFkMY0digZ6OBUg+4A51BmdyFxA206E=; b=GEpBjgkV4LG7qOkoAUpP0YjRFO+/R3PUBCLd+syv4Py1Y6GApqdF3VZkcoymqxGeKvxJkd bL0iaLSFDI4emksjotj9zEvpx55eUWyNI4oXNZjcdjGLQsOXgdJgHT1awLtZ7wvAFHST6E QvhpgzPGvna0wNM+569joQSMfRBnEX4= X-MC-Unique: Vq7xrQyCO9awZR7ZMI_ZVw-1 From: Thomas Huth To: qemu-devel@nongnu.org, Paolo Bonzini , yong.huang@smartx.com Cc: qemu-trivial@nongnu.org, Fam Zheng , Eduardo Habkost , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang Subject: [PATCH] hw: Fix crash that happens when introspecting scsi-block on older machine types Date: Wed, 3 Jul 2024 11:09:04 +0200 Message-ID: <20240703090904.909720-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.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, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1719997803606100003 Content-Type: text/plain; charset="utf-8" "make check SPEED=3Dslow" is currently failing the device-introspect-test on older machine types since introspecting "scsi-block" is causing an abort: $ ./qemu-system-x86_64 -M pc-q35-8.0 -monitor stdio QEMU 9.0.50 monitor - type 'help' for more information (qemu) device_add scsi-block,help Unexpected error in object_property_find_err() at ../../devel/qemu/qom/object.c:1357: can't apply global scsi-disk-base.migrate-emulated-scsi-request=3Dfalse: Property 'scsi-block.migrate-emulated-scsi-request' not found Aborted (core dumped) The problem is that the compat code tries to change the "migrate-emulated-scsi-request" property for all devices that are derived from "scsi-block", but the property has only been added to "scsi-hd" and "scsi-cd" via the DEFINE_SCSI_DISK_PROPERTIES macro. Thus let's fix the problem by only changing the property on the devices that really have this property. Fixes: b4912afa5f ("scsi-disk: Fix crash for VM configured with USB CDROM a= fter live migration") Signed-off-by: Thomas Huth Acked-by: Hyman Huang Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/core/machine.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 655d75c21f..60858a8565 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -36,7 +36,8 @@ =20 GlobalProperty hw_compat_9_0[] =3D { {"arm-cpu", "backcompat-cntfrq", "true" }, - {"scsi-disk-base", "migrate-emulated-scsi-request", "false" }, + {"scsi-hd", "migrate-emulated-scsi-request", "false" }, + {"scsi-cd", "migrate-emulated-scsi-request", "false" }, {"vfio-pci", "skip-vsc-check", "false" }, }; const size_t hw_compat_9_0_len =3D G_N_ELEMENTS(hw_compat_9_0); --=20 2.45.2