On 7/15/20 3:49 PM, Anchal Agarwal wrote: > On Mon, Jul 13, 2020 at 03:43:33PM -0400, Boris Ostrovsky wrote: >> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe. >> >> >> >> On 7/10/20 2:17 PM, Agarwal, Anchal wrote: >>> Gentle ping on this series. >> >> Have you tested save/restore? >> > No, not with the last few series. But a good point, I will test that and get > back to you. Do you see anything specific in the series that suggests otherwise? root@ovs104> xl save pvh saved Saving to saved new xl format (info 0x3/0x0/1699) xc: info: Saving domain 3, type x86 HVM xc: Frames: 1044480/1044480 100% xc: End of stream: 0/0 0% root@ovs104> xl restore saved Loading new save file saved (new xl fmt info 0x3/0x0/1699) Savefile contains xl domain config in JSON format Parsing config from <saved> xc: info: Found x86 HVM domain from Xen 4.13 xc: info: Restoring domain xc: info: Restore successful xc: info: XenStore: mfn 0xfeffc, dom 0, evt 1 xc: info: Console: mfn 0xfefff, dom 0, evt 2 root@ovs104> xl console pvh [ 139.943872] ------------[ cut here ]------------ [ 139.943872] kernel BUG at arch/x86/xen/enlighten.c:205! [ 139.943872] invalid opcode: 0000 [#1] SMP PTI [ 139.943872] CPU: 0 PID: 11 Comm: migration/0 Not tainted 5.8.0-rc5 #26 [ 139.943872] RIP: 0010:xen_vcpu_setup+0x16d/0x180 [ 139.943872] Code: 4a 8b 14 f5 40 c9 1b 82 48 89 d8 48 89 2c 02 8b 05 a4 d4 40 01 85 c0 0f 85 15 ff ff ff 4a 8b 04 f5 40 c9 1b 82 e9 f4 fe ff ff <0f> 0b b8 ed ff ff ff e9 14 ff ff ff e8 12 4f 86 00 66 90 66 66 66 [ 139.943872] RSP: 0018:ffffc9000006bdb0 EFLAGS: 00010046 [ 139.943872] RAX: 0000000000000000 RBX: ffffc9000014fe00 RCX: 0000000000000000 [ 139.943872] RDX: ffff88803fc00000 RSI: 0000000000016128 RDI: 0000000000000000 [ 139.943872] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 139.943872] R10: ffffffff826174a0 R11: ffffc9000006bcb4 R12: 0000000000016120 [ 139.943872] R13: 0000000000016120 R14: 0000000000016128 R15: 0000000000000000 [ 139.943872] FS: 0000000000000000(0000) GS:ffff88803fc00000(0000) knlGS:0000000000000000 [ 139.943872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 139.943872] CR2: 00007f704be8b000 CR3: 000000003901a004 CR4: 00000000000606f0 [ 139.943872] Call Trace: [ 139.943872] ? __kmalloc+0x167/0x260 [ 139.943872] ? xen_manage_runstate_time+0x14a/0x170 [ 139.943872] xen_vcpu_restore+0x134/0x170 [ 139.943872] xen_hvm_post_suspend+0x1d/0x30 [ 139.943872] xen_arch_post_suspend+0x13/0x30 [ 139.943872] xen_suspend+0x87/0x190 [ 139.943872] multi_cpu_stop+0x6d/0x110 [ 139.943872] ? stop_machine_yield+0x10/0x10 [ 139.943872] cpu_stopper_thread+0x47/0x100 [ 139.943872] smpboot_thread_fn+0xc5/0x160 [ 139.943872] ? sort_range+0x20/0x20 [ 139.943872] kthread+0xfe/0x140 [ 139.943872] ? kthread_park+0x90/0x90 [ 139.943872] ret_from_fork+0x22/0x30 [ 139.943872] Modules linked in: [ 139.943872] ---[ end trace 74716859a6b4f0a8 ]--- [ 139.943872] RIP: 0010:xen_vcpu_setup+0x16d/0x180 [ 139.943872] Code: 4a 8b 14 f5 40 c9 1b 82 48 89 d8 48 89 2c 02 8b 05 a4 d4 40 01 85 c0 0f 85 15 ff ff ff 4a 8b 04 f5 40 c9 1b 82 e9 f4 fe ff ff <0f> 0b b8 ed ff ff ff e9 14 ff ff ff e8 12 4f 86 00 66 90 66 66 66 [ 139.943872] RSP: 0018:ffffc9000006bdb0 EFLAGS: 00010046 [ 139.943872] RAX: 0000000000000000 RBX: ffffc9000014fe00 RCX: 0000000000000000 [ 139.943872] RDX: ffff88803fc00000 RSI: 0000000000016128 RDI: 0000000000000000 [ 139.943872] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 139.943872] R10: ffffffff826174a0 R11: ffffc9000006bcb4 R12: 0000000000016120 [ 139.943872] R13: 0000000000016120 R14: 0000000000016128 R15: 0000000000000000 [ 139.943872] FS: 0000000000000000(0000) GS:ffff88803fc00000(0000) knlGS:0000000000000000 [ 139.943872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 139.943872] CR2: 00007f704be8b000 CR3: 000000003901a004 CR4: 00000000000606f0 [ 139.943872] Kernel panic - not syncing: Fatal exception [ 139.943872] Shutting down cpus with NMI [ 143.927559] Kernel Offset: disabled root@ovs104>