https://bugzilla.kernel.org/show_bug.cgi?id=209253 Ian Pilcher (arequipeno@xxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |arequipeno@xxxxxxxxx --- Comment #1 from Ian Pilcher (arequipeno@xxxxxxxxx) --- I am seeing a very similar crash, but the device in my case is an NVIDIA GPU, passed through to a Windows guest for video processing. [ 6094.567434] WARNING: CPU: 7 PID: 2524 at fs/eventfd.c:74 eventfd_signal+0x88/0xa0 [ 6094.567464] Modules linked in: vhost_net vhost tap vhost_iotlb tun nft_chain_nat 8021q garp mrp stp llc sch_ingress bonding openvswitch nsh nf_conncount nf_nat nft_counter ipt_REJECT ip6t_REJECT nf_reject_ipv4 nf_reject_ipv6 xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables nfnetlink intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal sunrpc intel_powerclamp coretemp raid10 kvm_intel iTCO_wdt intel_pmc_bxt kvm iTCO_vendor_support gpio_ich ipmi_ssif rapl ixgbe intel_cstate joydev i2c_i801 igb intel_uncore ioatdma mei_me acpi_ipmi i2c_smbus mdio intel_pch_thermal mei dca lpc_ich ipmi_si ipmi_devintf ipmi_msghandler acpi_pad vfat fat ip_tables xfs ast drm_vram_helper drm_ttm_helper i2c_algo_bit drm_kms_helper cec ttm mxm_wmi drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel wmi vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio [ 6094.567794] CPU: 7 PID: 2524 Comm: CPU 3/KVM Not tainted 5.8.13-200.fc32.x86_64 #1 [ 6094.567834] Hardware name: Supermicro SYS-5028D-TN4T/X10SDV-TLN4F, BIOS 2.1 11/22/2019 [ 6094.567868] RIP: 0010:eventfd_signal+0x88/0xa0 [ 6094.567889] Code: 03 00 00 00 4c 89 f7 e8 26 16 db ff 65 ff 0d 3f f3 ca 43 4c 89 ee 4c 89 f7 e8 34 8e 7f 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 <0f> 0b 45 31 e4 5b 5d 4c 89 e0 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 [ 6094.567974] RSP: 0018:ffffac8780b97bb0 EFLAGS: 00010286 [ 6094.567996] RAX: 00000000ffffffff RBX: ffff9b01c8ed0000 RCX: 0000000000000004 [ 6094.568021] RDX: 00000000c8088704 RSI: 0000000000000001 RDI: ffff9b11ef445240 [ 6094.568050] RBP: ffffac8780b97c18 R08: ffff9b11ef4cdf40 R09: 00000000c8088708 [ 6094.568080] R10: 0000000000000000 R11: 0000000000000190 R12: 0000000000000002 [ 6094.568105] R13: ffff9b11ef4bbb00 R14: ffff9b11ef4cdf40 R15: ffff9b11ef4bbb00 [ 6094.568145] FS: 00007f30b8b78700(0000) GS:ffff9b123fbc0000(0000) knlGS:000000ad76006000 [ 6094.568178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6094.568202] CR2: 000001d9b5100000 CR3: 0000001fb0ed2003 CR4: 00000000003626e0 [ 6094.568232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6094.568261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6094.568290] Call Trace: [ 6094.568336] ioeventfd_write+0x51/0x80 [kvm] [ 6094.568385] __kvm_io_bus_write+0x88/0xb0 [kvm] [ 6094.568417] kvm_io_bus_write+0x43/0x60 [kvm] [ 6094.568454] write_mmio+0x70/0xf0 [kvm] [ 6094.568488] emulator_read_write_onepage+0x11e/0x330 [kvm] [ 6094.568527] emulator_read_write+0xca/0x180 [kvm] [ 6094.568564] segmented_write.isra.0+0x4a/0x60 [kvm] [ 6094.568601] x86_emulate_insn+0x850/0xe60 [kvm] [ 6094.568636] x86_emulate_instruction+0x2c7/0x780 [kvm] [ 6094.568680] ? kvm_io_bus_write+0x43/0x60 [kvm] [ 6094.569821] kvm_arch_vcpu_ioctl_run+0xeb9/0x1770 [kvm] [ 6094.570963] kvm_vcpu_ioctl+0x209/0x590 [kvm] [ 6094.572099] ksys_ioctl+0x82/0xc0 [ 6094.573208] __x64_sys_ioctl+0x16/0x20 [ 6094.574294] do_syscall_64+0x4d/0x90 [ 6094.575348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 6094.576388] RIP: 0033:0x7f30c2bac3bb [ 6094.577422] Code: 0f 1e fa 48 8b 05 dd aa 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ad aa 0c 00 f7 d8 64 89 01 48 [ 6094.579603] RSP: 002b:00007f30b8b77668 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 6094.580713] RAX: ffffffffffffffda RBX: 000056277c8e4ae0 RCX: 00007f30c2bac3bb [ 6094.581835] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001e [ 6094.582951] RBP: 00007f30c010a000 R08: 000056277aebebf0 R09: 0000000000000000 [ 6094.584028] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 6094.585078] R13: 00007f30c010b001 R14: 0000000000000000 R15: 000056277b358a00 [ 6094.586103] ---[ end trace dab8395baf5baf8c ]--- -- You are receiving this mail because: You are watching the assignee of the bug.
