https://bugzilla.kernel.org/show_bug.cgi?id=206215 Bug ID: 206215 Summary: QEMU guest crash due to random 'general protection fault' since kernel 5.2.5 on i7-3517UE Product: Virtualization Version: unspecified Kernel Version: 5.5.0-0.rc6 Hardware: x86-64 OS: Linux Tree: Fedora Status: NEW Severity: blocking Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: kernel@xxxxxxxxxx Regression: Yes Created attachment 286831 --> https://bugzilla.kernel.org/attachment.cgi?id=286831&action=edit relevant logs Since kernel 5.2.5 any qemu guest fail to start due to "general protection fault" [ 188.533545] traps: gsd-wacom[1855] general protection fault ip:7fed39b5e7b0 sp:7fff3e349620 error:0 in libglib-2.0.so.0.6200.1[7fed39ae3000+83000] [ 192.002357] traps: gvfs-fuse-sub[1560] general protection fault ip:7f9cd88100b2 sp:7f9cd5db0bf0 error:0 in libglib-2.0.so.0.6200.1[7f9cd87de000+83000] Please note that kernel 5.2.4 work fine. Tested guests with Widows Server 2016/2019 & Fedora 31 Attached logs show the DMESG output of the guests Attached host files contains a WARNING thrown upong first guest start on the hypervisor: [ 49.533713] WARNING: CPU: 3 PID: 966 at arch/x86/kvm/x86.c:7963 kvm_arch_vcpu_ioctl_run+0x1927/0x1ce0 [kvm] [ 49.533714] Modules linked in: vhost_net vhost tap tun xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key ebtable_filter ebtables ip6table_filter ip6_tables bridge stp llc nf_log_ipv4 nf_log_common xt_LOG ipt_REJECT nf_reject_ipv4 iptable_filter iptable_security iptable_raw xt_state xt_conntrack xt_DSCP xt_multiport iptable_mangle xt_TCPMSS xt_tcpmss xt_policy xt_nat iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel sunrpc kvm vfat fat mei_hdcp mei_wdt snd_hda_codec_hdmi iTCO_wdt irqbypass iTCO_vendor_support snd_hda_codec_realtek snd_hda_codec_generic crct10dif_pclmul crc32_pclmul ledtrig_audio snd_hda_intel ghash_clmulni_intel snd_hda_codec intel_cstate intel_uncore snd_hda_core snd_hwdep intel_rapl_perf snd_seq snd_seq_device snd_pcm i2c_i801 r8169 lpc_ich mei_me snd_timer snd mei e1000e soundcore pcc_cpufreq tcp_bbr sch_fq ip_tables xfs i915 libcrc32c i2c_algo_bit drm_kms_helper crc32c_intel drm [ 49.533760] serio_raw video [ 49.533764] CPU: 3 PID: 966 Comm: CPU 0/KVM Not tainted 5.2.5-200.fc30.x86_64 #1 [ 49.533765] Hardware name: CompuLab 0000000-00000/Intense-PC, BIOS IPC_2.2.400.5 X64 03/15/2018 [ 49.533784] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1927/0x1ce0 [kvm] [ 49.533786] Code: 4c 89 e7 e8 1b 0b ff ff 4c 89 e7 e8 d3 8c fe ff 41 83 a4 24 e8 36 00 00 fb e9 bd ed ff ff f0 41 80 4c 24 31 10 e9 a5 ee ff ff <0f> 0b e9 74 ed ff ff 49 8b 84 24 c8 02 00 00 a9 00 00 01 00 0f 84 [ 49.533787] RSP: 0018:ffffbe4e423ffd30 EFLAGS: 00010002 [ 49.533789] RAX: 0000000000004b00 RBX: 0000000000000000 RCX: ffffa044ce958000 [ 49.533790] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.533791] RBP: ffffbe4e423ffdd8 R08: 0000000000000000 R09: 00000000000003e8 [ 49.533792] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa044d38f8000 [ 49.533792] R13: 0000000000000000 R14: ffffbe4e41ccf7b8 R15: 0000000000000000 [ 49.533794] FS: 00007f117953f700(0000) GS:ffffa044ee2c0000(0000) knlGS:0000000000000000 [ 49.533795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.533796] CR2: 0000000000000000 CR3: 000000040e8c2003 CR4: 00000000001626e0 [ 49.533797] Call Trace: [ 49.533817] kvm_vcpu_ioctl+0x215/0x5c0 [kvm] [ 49.533821] ? __seccomp_filter+0x7b/0x640 [ 49.533824] ? __switch_to_asm+0x34/0x70 [ 49.533826] ? __switch_to_asm+0x34/0x70 [ 49.533827] ? apic_timer_interrupt+0xa/0x20 [ 49.533831] do_vfs_ioctl+0x405/0x660 [ 49.533834] ksys_ioctl+0x5e/0x90 [ 49.533836] __x64_sys_ioctl+0x16/0x20 [ 49.533839] do_syscall_64+0x5f/0x1a0 [ 49.533842] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.533844] RIP: 0033:0x7f117d1fb34b [ 49.533845] Code: 0f 1e fa 48 8b 05 3d 9b 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 0d 9b 0c 00 f7 d8 64 89 01 48 [ 49.533846] RSP: 002b:00007f117953e698 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.533848] RAX: ffffffffffffffda RBX: 0000564f2cb65ba0 RCX: 00007f117d1fb34b [ 49.533849] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000019 [ 49.533850] RBP: 00007f1179f20000 R08: 0000564f2b7e5390 R09: 000000000000ffff [ 49.533851] R10: 0000564f2ca7a710 R11: 0000000000000246 R12: 0000000000000001 [ 49.533852] R13: 00007f1179f21002 R14: 0000000000000000 R15: 0000564f2bc66e80 [ 49.533854] ---[ end trace a562473b18c9b742 ]--- /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Core(TM) i7-3517UE CPU @ 1.70GHz stepping : 9 microcode : 0x1f cpu MHz : 828.296 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds bogomips : 4389.89 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: -- You are receiving this mail because: You are watching the assignee of the bug.
