Any news? -- Best regards, Alexander > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Sun, 04 Feb 2018 08:42:25 +0000 bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=198659 > > > > Bug ID: 198659 > > > > Summary: Kernel 4.14 crash wirh invalid opcode. > > > > list_del_entry_valid > > > > Product: Memory Management > > Version: 2.5 > > > > Kernel Version: 4.14 > > > > Hardware: All > > > > OS: Linux > > > > Tree: Mainline > > > > Status: NEW > > > > Severity: normal > > Priority: P1 > > > > Component: Page Allocator > > > > Assignee: akpm@xxxxxxxxxxxxxxxxxxxx > > Reporter: alexminder@xxxxxxxxx > > > > Regression: No > > > > Created attachment 273983 > > > > --> https://bugzilla.kernel.org/attachment.cgi?id=273983&action=edit > > > > Kernel config > > > > Guest KVM VM kernel (any version) crashes after some time after start if > > host Kernels version is 4.14.x. > > I tried host kernel versions: 4.14.8, 4.14.11, 4.14.13, 4.14.14, 4.14.15, > > 4.14.16. With all of them guest VM crashes. > > I tried nopti kernel parameter, but it does not help. > > I have configured kernel with CONFIG_PAGE_TABLE_ISOLATION=n and > > CONFIG_RETPOLINE=n and still have guest kernel crash. > > > > With host kernel 4.13.x, 4.9.x no issue happens. > > I have note that kernel crashes under KVM guest only. With 4 my PC no > > kernel crashes. > > > > [ 531.309669] invalid opcode: 0000 [#1] SMP PTI > > [ 531.309716] Modules linked in: netconsole rpcsec_gss_krb5 auth_rpcgss > > nfsv4 dns_resolver nfs lockd grace fscache sunrpc binfmt_misc iTCO_wdt > > iTCO_vendor_support virtio_net virtio_balloon input_leds > > ghash_clmulni_intel led_class intel_agp lpc_ich intel_gtt i2c_i801 shpchp > > sd_mod ahci qxl virtio_scsi libahci drm_kms_helper xhci_pci syscopyarea > > sysfillrect xhci_hcd sysimgblt fb_sys_fops libata ttm usbcore virtio_pci > > virtio_ring drm scsi_mod virtio usb_common agpgart > > [ 531.309928] CPU: 2 PID: 8946 Comm: cc1plus Not tainted 4.14.16 #1 > > [ 531.309960] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS > > 1.10.2-1.fc27 04/01/2014 > > [ 531.310001] task: ffff8b685eea9000 task.stack: ffffa37048e98000 > > [ 531.310034] RIP: 0010:__list_del_entry_valid+0x81/0x90 > > [ 531.310068] RSP: 0000:ffffa37048e9bbf8 EFLAGS: 00010082 > > [ 531.310097] RAX: 0000000000000054 RBX: 0000000000000370 RCX: > > 0000000000000000 > > [ 531.310141] RDX: 0000000000000000 RSI: ffff8b686ae96538 RDI: > > ffff8b686ae96538 > > [ 531.310176] RBP: ffff8b686b1f1000 R08: 0000000000000001 R09: > > 00000000000002ed > > [ 531.310211] R10: 0000000000000000 R11: 00000000000002ed R12: > > 0000000000000010 > > [ 531.310255] R13: ffffa37048e9bd70 R14: 000000000000000a R15: > > ffffcdb700200020 > > [ 531.310291] FS: 00007f5193504c80(0000) GS:ffff8b686ae80000(0000) > > knlGS:0000000000000000 > > [ 531.310330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 531.310359] CR2: 00007f5188d0a000 CR3: 000000011b376000 CR4: > > 00000000000406e0 > > [ 531.310396] Call Trace: > > [ 531.312010] ? __rmqueue+0xbd/0x570 > > [ 531.312048] ? get_page_from_freelist+0xac9/0xbd0 > > [ 531.312076] ? __alloc_pages_nodemask+0x103/0x260 > > [ 531.312102] ? alloc_pages_vma+0x7c/0x1c0 > > [ 531.312127] ? __handle_mm_fault+0xc53/0x1010 > > [ 531.312159] ? handle_mm_fault+0xe4/0x190 > > [ 531.312189] ? __do_page_fault+0x1c1/0x410 > > [ 531.312219] ? async_page_fault+0x36/0x60 > > [ 531.312248] ? async_page_fault+0x4c/0x60 > > [ 531.312276] Code: 00 43 d8 b7 e8 9f 0a c5 ff 0f 0b 48 89 fe 48 c7 c7 38 > > 43 d8 b7 e8 8e 0a c5 ff 0f 0b 48 89 fe 48 c7 c7 78 43 d8 b7 e8 7d 0a c5 > > ff <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 48 85 d2 41 55 41 > > [ 531.312414] RIP: __list_del_entry_valid+0x81/0x90 RSP: ffffa37048e9bbf8 > > [ 531.312447] ---[ end trace 2dada20a9ff0080c ]--- > > [ 531.312473] Kernel panic - not syncing: Fatal exception > > [ 532.344387] Shutting down cpus with NMI > > [ 532.344453] Kernel Offset: 0x36000000 from 0xffffffff81000000 > > (relocation range: 0xffffffff80000000-0xffffffffbfffffff) > > [ 532.344492] Rebooting in 1 seconds.. > > [ 533.359819] ACPI MEMORY or I/O RESET_REG.
