[CRIU] unclear CRIU and docker problems

[Adrian Reber]

On Tue, Jun 30, 2015 at 11:57:39AM +0300, Cyrill Gorcunov wrote:
> On Tue, Jun 30, 2015 at 10:45:15AM +0200, Adrian Reber wrote:
> > 
> > # criu check
> > Warn  (mem.c:52): Can't reset 18563's dirty memory tracker (22)
> > Warn  (cr-check.c:581): Dirty tracking is OFF. Memory snapshot will not work.
> > Looks good.
> > 
> > I can checkpoint/restore/migrate processes outside of the container but
> > I will try to look if and what is missing with PID namespaces.
> 
> lsmod please

Module                  Size  Used by
tun                    27141  0
veth                   13365  0
ext4                  578819  0
mbcache                14958  1 ext4
jbd2                  102940  1 ext4
xt_conntrack           12760  1
ipt_MASQUERADE         12678  1
nf_nat_masquerade_ipv4    13412  1 ipt_MASQUERADE
iptable_nat            12875  1
nf_conntrack_ipv4      14862  2
nf_defrag_ipv4         12729  1 nf_conntrack_ipv4
nf_nat_ipv4            14115  1 iptable_nat
xt_addrtype            12635  2
iptable_filter         12810  1
ip_tables              27248  2 iptable_filter,iptable_nat
nf_nat                 26146  2 nf_nat_ipv4,nf_nat_masquerade_ipv4
nf_conntrack          105745  5 nf_nat,nf_nat_ipv4,xt_conntrack,nf_nat_masquerade_ipv4,nf_conntrack_ipv4
bridge                115385  0
stp                    12976  1 bridge
llc                    14552  2 stp,bridge
dm_thin_pool           65420  0
dm_persistent_data     62497  1 dm_thin_pool
dm_bio_prison          15673  1 dm_thin_pool
dm_bufio               28011  1 dm_persistent_data
loop                   28121  0
dm_mod                109119  3 dm_persistent_data,dm_bufio,dm_thin_pool
udp_diag               12801  0
tcp_diag               12591  0
inet_diag              18543  2 tcp_diag,udp_diag
netlink_diag           12669  0
af_packet_diag         12611  0
unix_diag              12601  0
nfsv3                  39436  1
nfs_acl                12837  1 nfsv3
nfs                   251396  2 nfsv3
lockd                  93550  2 nfs,nfsv3
grace                  13295  1 lockd
fscache                64987  1 nfs
crct10dif_pclmul       14289  0
crct10dif_common       12595  1 crct10dif_pclmul
crc32_pclmul           13113  0
ghash_clmulni_intel    13259  0
ppdev                  17671  0
aesni_intel            69884  0
lrw                    13286  1 aesni_intel
gf128mul               14951  1 lrw
glue_helper            13990  1 aesni_intel
ablk_helper            13597  1 aesni_intel
cryptd                 20359  3 ghash_clmulni_intel,aesni_intel,ablk_helper
qxl                    73823  1
ttm                    93441  1 qxl
drm_kms_helper        124926  1 qxl
pcspkr                 12718  0
serio_raw              13462  0
virtio_balloon         13664  0
drm                   349163  4 qxl,ttm,drm_kms_helper
i2c_piix4              22106  0
i2c_core               40582  3 drm,i2c_piix4,drm_kms_helper
parport_pc             28165  0
parport                42348  2 ppdev,parport_pc
xfs                   935294  1
libcrc32c              12644  2 xfs,dm_persistent_data
ata_generic            12910  0
pata_acpi              13038  0
virtio_net             28024  0
virtio_console         28114  0
virtio_blk             18156  2
ata_piix               35038  0
crc32c_intel           22079  1
virtio_pci             22913  0
virtio_ring            21524  5
virtio_blk,virtio_net,virtio_pci,virtio_balloon,virtio_console
virtio                 15008  5
virtio_blk,virtio_net,virtio_pci,virtio_balloon,virtio_console
libata                218730  3 pata_acpi,ata_generic,ata_piix
floppy                 69417  0
sunrpc                299583  9 nfs,lockd,nfsv3,nfs_acl


		Adrian