Avi Kivity wrote:
> I've committed kvm support for host suspend-to-disk (and hopefully
> resume too). This means you can suspend your machine with running vms,
> and resume it later will all vms returning to the saved state. This
> should please laptop owners.
So testing with trunk (r4365) + 2.6.20-rc5-ish, I'm able to suspend and
resume with the modules loaded. Starting a guest after resume gets the
following oops in the host; guest is in the grub menu at that point.
kvm: msrs: 1
invalid opcode: 0000 [#1]
SMP
last sysfs file: /class/net/eth0/carrier
Modules linked in: snd_hda_intel snd_hda_codec button kvm_intel kvm
rfcomm hidp l2cap i915 drm ipt_MASQUERADE iptable_nat nf_nat ipv6
autofs4 sunrpc bridge dummy nf_conntrack_netbios_ns ipt_REJECT
nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp
iptable_filter ip_tables x_tables cpufreq_ondemand video sbs i2c_ec dock
battery asus_acpi backlight ac parport_pc lp parport sr_mod cdrom
snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device
snd_pcm_oss snd_mixer_oss hci_usb fw_ohci snd_pcm e100 mii bluetooth
sdhci ata_piix fw_core ipw3945 mmc_core sg serio_raw i2c_i801 iTCO_wdt
iTCO_vendor_support snd_timer ieee80211 ieee80211_crypt ata_generic
i2c_core snd soundcore snd_page_alloc joydev dm_snapshot dm_zero
dm_mirror dm_mod ahci libata sd_mod scsi_mod ext3 jbd mbcache ehci_hcd
ohci_hcd uhci_hcd
CPU: 1
EIP: 0060:[<f8d3bc6a>] Not tainted VLI
EFLAGS: 00010207 (2.6.19-1.2913.fc7 #1)
EIP is at vmx_vcpu_load+0x49/0xc1 [kvm_intel]
eax: db452cbc ebx: f2f5847c ecx: 018e2100 edx: c075eb2c
esi: 00000001 edi: db452dc0 ebp: db452cd4 esp: db452cac
ds: 007b es: 007b ss: 0068
Process qemu (pid: 21176, ti=db452000 task=e2020030 task.ti=db452000)
Stack: 22222222 22222222 22222222 22222222 144d9000 00000000 db452dc0
db452cd4
f2f58484 f2f5847c db452ce4 f8e61ad6 f2f5847c f2f5847c db452cf0
f8e6322f
00000001 db452d4c f8d3cc69 c0603728 00000000 00000002 c0603751
f2f58484
Call Trace:
[<c04051c9>] show_trace_log_lvl+0x1a/0x2f
[<c0405279>] show_stack_log_lvl+0x9b/0xa3
[<c0405415>] show_registers+0x194/0x26a
[<c0405618>] die+0x12d/0x242
[<c0605167>] do_trap+0x79/0x91
[<c0405bbb>] do_invalid_op+0x97/0xa1
[<c0604f3c>] error_code+0x7c/0x84
[<f8e61ad6>] vcpu_load+0x3b/0x3f [kvm]
[<f8e6322f>] kvm_resched+0x20/0x23 [kvm]
[<f8d3cc69>] kvm_vmx_return+0x1d0/0x1df [kvm_intel]
[<f8e62139>] kvm_dev_ioctl+0x284/0x117a [kvm]
[<c0482c36>] do_ioctl+0x22/0x67
[<c0482ecd>] vfs_ioctl+0x252/0x265
[<c0482f29>] sys_ioctl+0x49/0x64
[<c0404058>] syscall_call+0x7/0xb
=======================
Code: 00 40 39 73 48 89 45 e8 74 07 89 d8 e8 5d ff ff ff 8b 0c b5 80 b3
71 c0 ba 2c eb 75 c0 8b 43 04 39 04 0a 74 31 89 04 0a 8d 45 e8 <0f> c7
30 0f 96 c0 84 c0 74 21 8b 45 e8 8b 55 ec c7 04 24 a3 d4
EIP: [<f8d3bc6a>] vmx_vcpu_load+0x49/0xc1 [kvm_intel] SS:ESP 0068:db452cac
Jeremy
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