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Thu, 24 Sep 2020 10:35:07 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.145.65.79]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 24 Sep 2020 10:35:06 +0000 (GMT) To: Gerd Hoffmann , qemu-devel , qemu-s390x From: Christian Borntraeger Subject: srange crash in virtio-gpu Autocrypt: addr=borntraeger@de.ibm.com; prefer-encrypt=mutual; keydata= xsFNBE6cPPgBEAC2VpALY0UJjGmgAmavkL/iAdqul2/F9ONz42K6NrwmT+SI9CylKHIX+fdf J34pLNJDmDVEdeb+brtpwC9JEZOLVE0nb+SR83CsAINJYKG3V1b3Kfs0hydseYKsBYqJTN2j CmUXDYq9J7uOyQQ7TNVoQejmpp5ifR4EzwIFfmYDekxRVZDJygD0wL/EzUr8Je3/j548NLyL 4Uhv6CIPf3TY3/aLVKXdxz/ntbLgMcfZsDoHgDk3lY3r1iwbWwEM2+eYRdSZaR4VD+JRD7p8 0FBadNwWnBce1fmQp3EklodGi5y7TNZ/CKdJ+jRPAAnw7SINhSd7PhJMruDAJaUlbYaIm23A +82g+IGe4z9tRGQ9TAflezVMhT5J3ccu6cpIjjvwDlbxucSmtVi5VtPAMTLmfjYp7VY2Tgr+ T92v7+V96jAfE3Zy2nq52e8RDdUo/F6faxcumdl+aLhhKLXgrozpoe2nL0Nyc2uqFjkjwXXI OBQiaqGeWtxeKJP+O8MIpjyGuHUGzvjNx5S/592TQO3phpT5IFWfMgbu4OreZ9yekDhf7Cvn /fkYsiLDz9W6Clihd/xlpm79+jlhm4E3xBPiQOPCZowmHjx57mXVAypOP2Eu+i2nyQrkapaY IdisDQfWPdNeHNOiPnPS3+GhVlPcqSJAIWnuO7Ofw1ZVOyg/jwARAQABzUNDaHJpc3RpYW4g Qm9ybnRyYWVnZXIgKDJuZCBJQk0gYWRkcmVzcykgPGJvcm50cmFlZ2VyQGxpbnV4LmlibS5j b20+wsF5BBMBAgAjBQJdP/hMAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQEXu8 gLWmHHy/pA/+JHjpEnd01A0CCyfVnb5fmcOlQ0LdmoKWLWPvU840q65HycCBFTt6V62cDljB kXFFxMNA4y/2wqU0H5/CiL963y3gWIiJsZa4ent+KrHl5GK1nIgbbesfJyA7JqlB0w/E/SuY NRQwIWOo/uEvOgXnk/7+rtvBzNaPGoGiiV1LZzeaxBVWrqLtmdi1iulW/0X/AlQPuF9dD1Px hx+0mPjZ8ClLpdSp5d0yfpwgHtM1B7KMuQPQZGFKMXXTUd3ceBUGGczsgIMipZWJukqMJiJj QIMH0IN7XYErEnhf0GCxJ3xAn/J7iFpPFv8sFZTvukntJXSUssONnwiKuld6ttUaFhSuSoQg OFYR5v7pOfinM0FcScPKTkrRsB5iUvpdthLq5qgwdQjmyINt3cb+5aSvBX2nNN135oGOtlb5 tf4dh00kUR8XFHRrFxXx4Dbaw4PKgV3QLIHKEENlqnthH5t0tahDygQPnSucuXbVQEcDZaL9 WgJqlRAAj0pG8M6JNU5+2ftTFXoTcoIUbb0KTOibaO9zHVeGegwAvPLLNlKHiHXcgLX1tkjC DrvE2Z0e2/4q7wgZgn1kbvz7ZHQZB76OM2mjkFu7QNHlRJ2VXJA8tMXyTgBX6kq1cYMmd/Hl OhFrAU3QO1SjCsXA2CDk9MM1471mYB3CTXQuKzXckJnxHkHOwU0ETpw8+AEQAJjyNXvMQdJN t07BIPDtbAQk15FfB0hKuyZVs+0lsjPKBZCamAAexNRk11eVGXK/YrqwjChkk60rt3q5i42u PpNMO9aS8cLPOfVft89Y654Qd3Rs1WRFIQq9xLjdLfHh0i0jMq5Ty+aiddSXpZ7oU6E+ud+X Czs3k5RAnOdW6eV3+v10sUjEGiFNZwzN9Udd6PfKET0J70qjnpY3NuWn5Sp1ZEn6lkq2Zm+G 9G3FlBRVClT30OWeiRHCYB6e6j1x1u/rSU4JiNYjPwSJA8EPKnt1s/Eeq37qXXvk+9DYiHdT PcOa3aNCSbIygD3jyjkg6EV9ZLHibE2R/PMMid9FrqhKh/cwcYn9FrT0FE48/2IBW5mfDpAd YvpawQlRz3XJr2rYZJwMUm1y+49+1ZmDclaF3s9dcz2JvuywNq78z/VsUfGz4Sbxy4ShpNpG REojRcz/xOK+FqNuBk+HoWKw6OxgRzfNleDvScVmbY6cQQZfGx/T7xlgZjl5Mu/2z+ofeoxb vWWM1YCJAT91GFvj29Wvm8OAPN/+SJj8LQazd9uGzVMTz6lFjVtH7YkeW/NZrP6znAwv5P1a DdQfiB5F63AX++NlTiyA+GD/ggfRl68LheSskOcxDwgI5TqmaKtX1/8RkrLpnzO3evzkfJb1 D5qh3wM1t7PZ+JWTluSX8W25ABEBAAHCwV8EGAECAAkFAk6cPPgCGwwACgkQEXu8gLWmHHz8 2w//VjRlX+tKF3szc0lQi4X0t+pf88uIsvR/a1GRZpppQbn1jgE44hgF559K6/yYemcvTR7r 6Xt7cjWGS4wfaR0+pkWV+2dbw8Xi4DI07/fN00NoVEpYUUnOnupBgychtVpxkGqsplJZQpng v6fauZtyEcUK3dLJH3TdVQDLbUcL4qZpzHbsuUnTWsmNmG4Vi0NsEt1xyd/Wuw+0kM/oFEH1 4BN6X9xZcG8GYUbVUd8+bmio8ao8m0tzo4pseDZFo4ncDmlFWU6hHnAVfkAs4tqA6/fl7RLN JuWBiOL/mP5B6HDQT9JsnaRdzqF73FnU2+WrZPjinHPLeE74istVgjbowvsgUqtzjPIG5pOj cAsKoR0M1womzJVRfYauWhYiW/KeECklci4TPBDNx7YhahSUlexfoftltJA8swRshNA/M90/ i9zDo9ySSZHwsGxG06ZOH5/MzG6HpLja7g8NTgA0TD5YaFm/oOnsQVsf2DeAGPS2xNirmknD jaqYefx7yQ7FJXXETd2uVURiDeNEFhVZWb5CiBJM5c6qQMhmkS4VyT7/+raaEGgkEKEgHOWf ZDP8BHfXtszHqI3Fo1F4IKFo/AP8GOFFxMRgbvlAs8z/+rEEaQYjxYJqj08raw6P4LFBqozr nS4h0HDFPrrp1C2EMVYIQrMokWvlFZbCpsdYbBI= Message-ID: <7e21dd39-f251-e883-1a8e-788fc5d85ea0@de.ibm.com> Date: Thu, 24 Sep 2020 12:35:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-24_05:2020-09-24, 2020-09-24 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009240076 Received-SPF: pass client-ip=148.163.158.5; envelope-from=borntraeger@de.ibm.com; helo=mx0b-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/24 04:59:46 X-ACL-Warn: Detected OS = Linux 3.x [generic] X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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: 2.1.23 Precedence: list List-Id: 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" Gerd, with current master build via a slightly fixed up fedora spec file I do get a crash in virtio-gpu when libvirt queries the qemu. I can trigger that also via command line $ /usr/bin/qemu-system-s390x -device virtio-gpu-pci,help qemu-system-s390x: -device virtio-gpu-pci,help: missing object type 'virtio-gpu-device' Aborted (core dumped) $ /usr/bin/qemu-system-s390x -device virtio-gpu-ccw,help qemu-system-s390x: -device virtio-gpu-ccw,help: missing object type 'virtio-gpu-device' Aborted (core dumped) Since I cannot reproduce the same when I build it without the spec file this must be something configuration specific. The call trace is: (gdb) bt #0 0x000003ff9e349026 in raise () at /lib64/libc.so.6 #1 0x000003ff9e32b162 in abort () at /lib64/libc.so.6 #2 0x000002aa274abfca in object_initialize (data=, size=, typename=0x2aa2754904e "virtio-gpu-device") at ../qom/object.c:531 #3 object_initialize (data=, size=, typename=0x2aa2754904e "virtio-gpu-device") at ../qom/object.c:519 #4 0x000002aa274ad72a in object_initialize_child_with_propsv (parentobj=parentobj@entry=0x2aa2801bc00, propname=propname@entry=0x2aa275d99e8 "virtio-backend", childobj=childobj@entry=0x2aa2801cd88, size=, type=type@entry=0x2aa2754904e "virtio-gpu-device", errp=0x2aa277f8e88 , vargs=0x3fff607daa0) at ../qom/object.c:564 #5 0x000002aa274ad81c in object_initialize_child_with_props (parentobj=parentobj@entry=0x2aa2801bc00, propname=propname@entry=0x2aa275d99e8 "virtio-backend", childobj=childobj@entry=0x2aa2801cd88, size=, type=type@entry=0x2aa2754904e "virtio-gpu-device", errp=0x2aa277f8e88 ) at ../qom/object.c:547 #6 0x000002aa273718d2 in virtio_instance_init_common (proxy_obj=0x2aa2801bc00, data=0x2aa2801cd88, vdev_size=, vdev_name=0x2aa2754904e "virtio-gpu-device") at ../hw/virtio/virtio.c:3234 #7 0x000002aa274abea2 in object_initialize_with_type (obj=0x2aa2801bc00, size=, type=0x2aa27ff7240) at ../qom/object.c:515 #8 0x000002aa274ac034 in object_new_with_type (type=0x2aa27ff7240) at ../qom/object.c:729 #9 0x000002aa274b8ec0 in qmp_device_list_properties (typename=typename@entry=0x2aa280184b0 "virtio-gpu-ccw", errp=errp@entry=0x3fff607de78) at ../qom/qom-qmp-cmds.c:153 #10 0x000002aa27293362 in qdev_device_help (opts=0x2aa280184d0) at ../qdev-monitor.c:283 #11 0x000002aa2752b31e in qemu_opts_foreach (list=, func=func@entry=0x2aa2731f700 , opaque=opaque@entry=0x0, errp=errp@entry=0x0) at ../util/qemu-option.c:1172 #12 0x000002aa27321f5c in qemu_init (argc=, argv=0x3fff607e418, envp=) at ../softmmu/vl.c:3825 #13 0x000002aa271ed042 in main (argc=, argv=, envp=) at ../softmmu/main.c:49 any quick idea?