Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754846AbdDDRk7 (ORCPT ); Tue, 4 Apr 2017 13:40:59 -0400 Received: from mout.gmx.net ([212.227.17.22]:53741 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753783AbdDDRk5 (ORCPT ); Tue, 4 Apr 2017 13:40:57 -0400 Message-ID: <1491327646.4253.2.camel@gmx.de> Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") From: Mike Galbraith To: "Michael S. Tsirkin" Cc: Christoph Hellwig , Thorsten Leemhuis , virtio-dev@lists.oasis-open.org, Linux Kernel Mailing List , rjones@redhat.com Date: Tue, 04 Apr 2017 19:40:46 +0200 In-Reply-To: <20170404182904-mutt-send-email-mst@kernel.org> References: <20170331041959-mutt-send-email-mst@kernel.org> <20170331032231.GA2471@redhat.com> <20170331082049.GA4485@lst.de> <20170331194416-mutt-send-email-mst@kernel.org> <20170403141823.GA24747@lst.de> <1491242192.5638.111.camel@gmx.de> <20170403210931-mutt-send-email-mst@kernel.org> <1491278572.5198.28.camel@gmx.de> <20170404163725-mutt-send-email-mst@kernel.org> <1491315482.5239.11.camel@gmx.de> <20170404182904-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:74H6D7cMAR7csbgcZnna5pKDEPd/FPTqvelnICkZ/IVeH5yr/85 dfQUakYqzOLSxcFri/flOfP4Lym99FKCvHXY9uRq5MspvIgtH5dsrgVoRS6iUQh3+1xhC9p 1Q/fRYWauJ8YO4PE1nBiCCNSmf4ZN2xfVQDFfhSX0a3jMhsQg3vJqZBlwQr6kjSTy+LRYb7 gMWX15yGWvOz9DVW/BHrg== X-UI-Out-Filterresults: notjunk:1;V01:K0:nzrtW87p4WY=:McogVPetITDL/3uLf9N0mE ybFPDWnAwqNO+Fria1+WukqnbmWcXKZJGbCoTpX7BE4oO3Nk0iEfAZomqm9huGBV1eZsXBFZk KVz2dYsesdY3J7rptekRRtsk0Gcwbl8GxrJxSDo1paE0w2bKoEVqberzJ3sKGa2rjAJBJaV5A AOYuSIEpEHzoFRBQFntw72XU9n+mod3umhKD+JENSyLvnsG9tz08cQVieoENy57aaQCatMtTU YtO/cCQg3K4NAhYcCEOmEThhBxQsahKirW/atXf/iKQaVtcuQhMkCTFubbEiGnTH8oNpasv+U DFypBLrod9zvuFgE7eengneBZS3nbkGdPzaSIJqv6GbrN20jbsps4LwwFhzyAfceSTlyvNsNm ChUWvLUaJzEtgyPSJ6qNeI/tC/JxGEPXTRGKlywbBpV/QpY9aVO7g08smr/uJ6yORGEAHp8Ev Y+8c4HzdGRiESD+u121of/LA7pR+k0Q/vCnSGWQgjwLaFXbf77kuOZQqQpKU/VBs3JfjfCfPf ucPAOeSLy+fn5PC/qZ4uO7rCFxt5snJrF0eLAWXJxZps0bRnKn/g2aoHvKT93q0bNsaRAF3ur c1jR/cV0nS2C/2gxRX0ftEnKYahPjMcTdkERD5kFCcfK/PonpY2qJd9KH8CgpmzdGkj9Ji39M 15VpDFOT6czo1Xa5/1wUpRfft8EQ4wGi/WgPiaVozu/5+Qabf+Qm8NQNtI1IkJ9EjTW5SRaJH HExW2icLzUBT5RDCxSJfhSZQ6zaujHPaipmd8Jq4C69io1//Cp14oyDIrgn0XjVJ2cS1z8Eom /9wdcKC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3285 Lines: 40 On Tue, 2017-04-04 at 18:30 +0300, Michael S. Tsirkin wrote: > I couldn't reproduce it - let's make sure we are using the > same tree. Could you pls try > > git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next > > It's currently at cc79d42a7d7e57ff64f406a1fd3740afebac0b44 Things that make ya go hmm... [ 87.940161] ------------[ cut here ]------------ [ 87.940180] WARNING: CPU: 0 PID: 97 at drivers/pci/msi.c:1251 pci_irq_vector+0xcb/0xe0 [ 87.940181] Modules linked in: dm_mod(E) fuse(E) ebtable_filter(E) ebtables(E) rpcsec_gss_krb5(E) nfsv4(E) dns_resolver(E) nfs(E) fscache(E) nf_log_ipv6(E) xt_pkttype(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) xt_limit(E) af_packet(E) iscsi_ibft(E) iscsi_boot_sysfs(E) ip6t_REJECT(E) xt_tcpudp(E) nf_conntrack_ipv6(E) nf_defrag_ipv6(E) ip6table_raw(E) ipt_REJECT(E) iptable_raw(E) xt_CT(E) iptable_filter(E) ip6table_mangle(E) nf_conntrack_netbios_ns(E) nf_conntrack_broadcast(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) ip_tables(E) xt_conntrack(E) nf_conntrack(E) libcrc32c(E) ip6table_filter(E) ip6_tables(E) x_tables(E) snd_hda_codec_generic(E) snd_hda_intel(E) snd_hda_codec(E) joydev(E) snd_hda_core(E) snd_hwdep(E) snd_pcm(E) snd_timer(E) snd(E) 8139too(E) ppdev(E) soundcore(E) parport_pc(E) i2c_piix4(E) [ 87.940206] parport(E) virtio_balloon(E) crct10dif_pclmul(E) crc32_pclmul(E) crc32c_intel(E) ghash_clmulni_intel(E) serio_raw(E) acpi_cpufreq(E) pcbc(E) button(E) aesni_intel(E) pcspkr(E) aes_x86_64(E) crypto_simd(E) glue_helper(E) cryptd(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) ext4(E) crc16(E) jbd2(E) mbcache(E) hid_generic(E) usbhid(E) ata_generic(E) ata_piix(E) sr_mod(E) cdrom(E) virtio_blk(E) virtio_rng(E) virtio_console(E) qxl(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) ehci_pci(E) ttm(E) uhci_hcd(E) ehci_hcd(E) floppy(E) ahci(E) libahci(E) virtio_pci(E) drm(E) virtio_ring(E) virtio(E) usbcore(E) libata(E) 8139cp(E) mii(E) sg(E) scsi_mod(E) autofs4(E) [ 87.940233] CPU: 0 PID: 97 Comm: kworker/u16:1 Tainted: G E 4.11.0-default #1 [ 87.940234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.1-0-g4adadbd-20161202_174313-build11a 04/01/2014 [ 87.940240] Workqueue: events_unbound async_run_entry_fn [ 87.940241] Call Trace: [ 87.940246] ? dump_stack+0x5c/0x85 [ 87.940255] ? __warn+0xc4/0xe0 [ 87.940258] ? pci_pm_poweroff+0xf0/0xf0 [ 87.940269] ? pci_irq_vector+0xcb/0xe0 [ 87.940272] ? vp_synchronize_vectors+0x3e/0x50 [virtio_pci] [ 87.940275] ? virtcons_freeze+0x1a/0xd0 [virtio_console] [ 87.940276] ? virtio_pci_freeze+0x19/0x40 [virtio_pci] [ 87.940277] ? pci_pm_freeze+0x59/0xe0 [ 87.940281] ? dpm_run_callback+0x4d/0x170 [ 87.940283] ? __device_suspend+0x11f/0x3b0 [ 87.940283] ? pm_dev_dbg+0x70/0x70 [ 87.940284] ? async_suspend+0x1a/0x90 [ 87.940286] ? async_run_entry_fn+0x34/0x160 [ 87.940287] ? process_one_work+0x164/0x430 [ 87.940288] ? worker_thread+0x135/0x4d0 [ 87.940290] ? kthread+0xff/0x140 [ 87.940291] ? rescuer_thread+0x3c0/0x3c0 [ 87.940292] ? kthread_park+0x80/0x80 [ 87.940293] ? kthread_park+0x80/0x80 [ 87.940299] ? ret_from_fork+0x26/0x40 [ 87.940300] ---[ end trace 5d65fe0efc4b61d7 ]---