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From:   =?UTF-8?B?546L6YeR5rWm?= <jinpuwang@gmail.com>
Date:   Wed, 22 Nov 2017 16:04:42 +0100
Message-ID: <CAD9gYJK7TOnfp+fnAyisYRQf--_TQv8J7h+kWH6KL98xNUH0bA@mail.gmail.com>
Subject: Re: VMs freezing when host is running 4.14
To:     Marc Haber <mh+linux-kernel@zugschlus.de>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        "KVM-ML (kvm@vger.kernel.org)" <kvm@vger.kernel.org>
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+cc kvm

2017-11-22 10:39 GMT+01:00 Marc Haber <mh+linux-kernel@zugschlus.de>:
> On Tue, Nov 21, 2017 at 05:18:21PM +0100, Marc Haber wrote:
>> On the affected host, VMs freeze at a rate about two or three per day.
>> They just stop dead in their tracks, console and serial console become
>> unresponsive, ping stops, they don't react to virsh shutdown, only to
>> virsh destroy.
>
> I was able to obtain a log of a VM before it became unresponsive. here
> we go:
>
> Nov 22 08:19:01 weave kernel: double fault: 0000 [#1] PREEMPT SMP
> Nov 22 08:19:01 weave kernel: Modules linked in: crct10dif_pclmul crc32_p=
clmul ghash_clmulni_intel pcbc sg aesni_intel aes_x86_64 crypto_simd glue_h=
elper cryptd input_leds virtio_balloon virtio_console led_class qemu_fw_cfg=
 ip_tables x_tables autofs4 ext4 mbcache jbd2 fscrypto usbhid sr_mod cdrom =
virtio_blk virtio_net ata_generic crc32c_intel ehci_pci ehci_hcd usbcore us=
b_common floppy i2c_piix4 virtio_pci virtio_ring virtio ata_piix i2c_core l=
ibata
> Nov 22 08:19:01 weave kernel: CPU: 1 PID: 8795 Comm: debsecan Not tainted=
 4.14.1-zgsrv20080 #3
> Nov 22 08:19:01 weave kernel: Hardware name: QEMU Standard PC (i440FX + P=
IIX, 1996), BIOS 1.10.2-1 04/01/2014
> Nov 22 08:19:01 weave kernel: task: ffff88001ef0adc0 task.stack: ffffc900=
001fc000
> Nov 22 08:19:01 weave kernel: RIP: 0010:kvm_async_pf_task_wait+0x167/0x20=
0
> Nov 22 08:19:01 weave kernel: RSP: 0000:ffffc900001ffa10 EFLAGS: 00000202
> Nov 22 08:19:01 weave kernel: RAX: ffff88001fd11cc0 RBX: ffffc900001ffa30=
 RCX: 0000000000000002
> Nov 22 08:19:01 weave kernel: RDX: 0140000000000000 RSI: ffffffff8173514b=
 RDI: ffffffff819bdd80
> Nov 22 08:19:01 weave kernel: RBP: ffffc900001ffaa0 R08: 0000000000193fc0=
 R09: ffff880000000000
> Nov 22 08:19:01 weave kernel: R10: ffffc900001ffac0 R11: 0000000000000000=
 R12: ffffc900001ffa40
> Nov 22 08:19:01 weave kernel: R13: 0000000000000be8 R14: ffffffff819bdd80=
 R15: ffffea0000193f80
> Nov 22 08:19:01 weave kernel: FS:  00007f97e25dd700(0000) GS:ffff88001fd0=
0000(0000) knlGS:0000000000000000
> Nov 22 08:19:01 weave kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080=
050033
> Nov 22 08:19:01 weave kernel: CR2: 0000000000483001 CR3: 0000000015df7000=
 CR4: 00000000000406e0
> Nov 22 08:19:01 weave kernel: Call Trace:
> Nov 22 08:19:01 weave kernel: do_async_page_fault+0x6b/0x70
> Nov 22 08:19:01 weave kernel: ? do_async_page_fault+0x6b/0x70
> Nov 22 08:19:01 weave kernel: async_page_fault+0x22/0x30
> Nov 22 08:19:01 weave kernel: RIP: 0010:clear_page_rep+0x7/0x10
> Nov 22 08:19:01 weave kernel: RSP: 0000:ffffc900001ffb88 EFLAGS: 00010246
> Nov 22 08:19:01 weave kernel: RAX: 0000000000000000 RBX: 0000000000000004=
 RCX: 0000000000000200
> Nov 22 08:19:01 weave kernel: RDX: ffff88001ef0adc0 RSI: 0000000000193f80=
 RDI: ffff8800064fe000
> Nov 22 08:19:01 weave kernel: RBP: ffffc900001ffc50 R08: 0000000000193fc0=
 R09: ffff880000000000
> Nov 22 08:19:01 weave kernel: R10: 0000000000000000 R11: 0000000000000000=
 R12: 0000000000000020
> Nov 22 08:19:01 weave kernel: R13: ffff88001ffd5500 R14: ffffc900001ffce8=
 R15: ffffea0000193f80
> Nov 22 08:19:01 weave kernel: ? get_page_from_freelist+0x8c3/0xaf0
> Nov 22 08:19:01 weave kernel: ? __mem_cgroup_threshold+0x8a/0x130
> Nov 22 08:19:01 weave kernel: ? free_pcppages_bulk+0x3f6/0x410
> Nov 22 08:19:01 weave kernel: __alloc_pages_nodemask+0xe4/0xe20
> Nov 22 08:19:01 weave kernel: ? free_hot_cold_page_list+0x2b/0x50
> Nov 22 08:19:01 weave kernel: ? release_pages+0x2b7/0x360
> Nov 22 08:19:01 weave kernel: ? mem_cgroup_commit_charge+0x7a/0x520
> Nov 22 08:19:01 weave kernel: ? account_entity_enqueue+0x95/0xc0
> Nov 22 08:19:01 weave kernel: alloc_pages_vma+0x7f/0x1e0
> Nov 22 08:19:01 weave kernel: __handle_mm_fault+0x9cb/0xf20
> Nov 22 08:19:01 weave kernel: handle_mm_fault+0xb2/0x1f0
> Nov 22 08:19:01 weave kernel: __do_page_fault+0x1f2/0x440
> Nov 22 08:19:01 weave kernel: do_page_fault+0x22/0x30
> Nov 22 08:19:01 weave kernel: do_async_page_fault+0x4c/0x70
> Nov 22 08:19:01 weave kernel: async_page_fault+0x22/0x30
> Nov 22 08:19:01 weave kernel: RIP: 0033:0x56434ef679d8
> Nov 22 08:19:01 weave kernel: RSP: 002b:00007ffd6b48ad80 EFLAGS: 00010206
> Nov 22 08:19:01 weave kernel: RAX: 00000000000000eb RBX: 000000000000001d=
 RCX: aaaaaaaaaaaaaaab
> Nov 22 08:19:01 weave kernel: RDX: 000056434f5eb300 RSI: 000000000000000f=
 RDI: 000056434f3ca6c0
> Nov 22 08:19:01 weave kernel: RBP: 00000000000000ec R08: 00007f97e2453000=
 R09: 000056434f5eb3ea
> Nov 22 08:19:01 weave kernel: R10: 000056434f5eb3eb R11: 000056434f4510a0=
 R12: 000000000000003a
> Nov 22 08:19:01 weave kernel: R13: 000056434f3ca500 R14: 000056434f451240=
 R15: 00007f97e1024750
> Nov 22 08:19:01 weave kernel: Code: f7 49 89 9d a0 d1 9b 81 48 89 55 98 4=
c 8d 63 10 e8 4f 02 53 00 eb 20 48 83 7d 98 00 74 3a e8 21 6e 06 00 80 7d c=
0 00 74 3f fb f4 <fa> 66 66 90 66 66 90 e8 7d 6f 06 00 80 7d c0 00 75 da 48=
 8d b5
> Nov 22 08:19:01 weave kernel: RIP: kvm_async_pf_task_wait+0x167/0x200 RSP=
: ffffc900001ffa10
> Nov 22 08:19:01 weave kernel: ---[ end trace 4701012ee256be25 ]---
>
> Does that help?
>
So all guest kernels are 4.14, or also other older kernel?

> Greetings
> Marc

Regards,
Jack

>
> --
> -------------------------------------------------------------------------=
----
> Marc Haber         | "I don't trust Computers. They | Mailadresse im Head=
er
> Leimen, Germany    |  lose things."    Winona Ryder | Fon: *49 6224 16004=
02
> Nordisch by Nature |  How to make an American Quilt | Fax: *49 6224 16004=
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