lxd process on one of my servers started to hang a few days ago.
In syslog, I can see the following being repeated (log below).
I see a similar issue here:
https://github.com/lxc/lxd/issues/2089
but it's closed.
Running:
ii lxd 2.0.8-0ubuntu1~ubuntu16.04.2
amd64 Container hypervisor based on LXC - daemon
ii lxd-client 2.0.8-0ubuntu1~ubuntu16.04.2
amd64 Container hypervisor based on LXC - client
On Ubuntu 16.04 with 4.9.0 kernel from ubuntu ppa.
It seems to recover if I kill this process:
root 26853 0.0 0.0 222164 12228 ? Ssl 07:13 0:00
/usr/bin/lxd waitready --timeout=600
Sometimes need to kill it a few times until it recovers.
Jan 31 06:26:06 lxd01 lxd[15762]: error: LXD still not running after
600s timeout.
Jan 31 06:26:06 lxd01 lxd[4402]: t=2017-01-31T06:26:06+0000 lvl=warn
msg="CGroup memory swap accounting is disabled, swap limits will be
ignored."
Jan 31 06:26:06 lxd01 lxd[4402]: panic: runtime error: slice bounds out
of range
Jan 31 06:26:06 lxd01 lxd[4402]: goroutine 27 [running]:
Jan 31 06:26:06 lxd01 lxd[4402]: panic(0xadef00, 0xc82000e050)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/usr/lib/go-1.6/src/runtime/panic.go:481 +0x3e6
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*storageBtrfs).getSubVolumes(0xc8200f8240, 0xc8201b22c0, 0x3a,
0x0, 0x0, 0x0, 0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:812
+0x104f
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*storageBtrfs).subvolsDelete(0xc8200f8240, 0xc8201b22c0, 0x3a,
0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:574
+0x72
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*storageBtrfs).ContainerDelete(0xc8200f8240, 0x7f872e0f00c0,
0xc8200cc540, 0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:119
+0xb0
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*storageBtrfs).ContainerSnapshotDelete(0xc8200f8240,
0x7f872e0f00c0, 0xc8200cc540, 0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:321
+0x5c
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*storageLogWrapper).ContainerSnapshotDelete(0xc8200fda60,
0x7f872e0f00c0, 0xc8200cc540, 0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage.go:510
+0x22b
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*containerLXC).Delete(0xc8200cc540, 0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_lxc.go:2366
+0x30e
Jan 31 06:26:06 lxd01 lxd[4402]: main.snapshotDelete.func1(0xc8200c8000,
0x0, 0x0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_snapshot.go:248
+0x3e
Jan 31 06:26:06 lxd01 lxd[4402]:
main.(*operation).Run.func1(0xc8200c8000, 0xc8200107e0)
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/operations.go:110
+0x3a
Jan 31 06:26:06 lxd01 lxd[4402]: created by main.(*operation).Run
Jan 31 06:26:06 lxd01 lxd[4402]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/operations.go:137
+0x127
Jan 31 06:36:06 lxd01 lxd[4408]: error: LXD still not running after 600s
timeout.
Jan 31 06:36:06 lxd01 lxd[21952]: t=2017-01-31T06:36:06+0000 lvl=warn
msg="CGroup memory swap accounting is disabled, swap limits will be
ignored."
Jan 31 06:36:06 lxd01 lxd[21952]: panic: runtime error: slice bounds out
of range
Jan 31 06:36:06 lxd01 lxd[21952]: goroutine 16 [running]:
Jan 31 06:36:06 lxd01 lxd[21952]: panic(0xadef00, 0xc82000e050)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/usr/lib/go-1.6/src/runtime/panic.go:481 +0x3e6
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*storageBtrfs).getSubVolumes(0xc820104240, 0xc8201a0140, 0x3a,
0x0, 0x0, 0x0, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:812
+0x104f
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*storageBtrfs).subvolsDelete(0xc820104240, 0xc8201a0140, 0x3a,
0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:574
+0x72
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*storageBtrfs).ContainerDelete(0xc820104240, 0x7f0acd705938,
0xc8204c8180, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:119
+0xb0
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*storageBtrfs).ContainerSnapshotDelete(0xc820104240,
0x7f0acd705938, 0xc8204c8180, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage_btrfs.go:321
+0x5c
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*storageLogWrapper).ContainerSnapshotDelete(0xc820107a60,
0x7f0acd705938, 0xc8204c8180, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/storage.go:510
+0x22b
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*containerLXC).Delete(0xc8204c8180, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_lxc.go:2366
+0x30e
Jan 31 06:36:06 lxd01 lxd[21952]:
main.snapshotDelete.func1(0xc8200d42c0, 0x0, 0x0)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_snapshot.go:248
+0x3e
Jan 31 06:36:06 lxd01 lxd[21952]:
main.(*operation).Run.func1(0xc8200d42c0, 0xc820011740)
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/operations.go:110
+0x3a
Jan 31 06:36:06 lxd01 lxd[21952]: created by main.(*operation).Run
Jan 31 06:36:06 lxd01 lxd[21952]:
#011/build/lxd-tfF8X9/lxd-2.0.8/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/operations.go:137
+0x127
Jan 31 06:46:06 lxd01 lxd[21955]: error: LXD still not running after
600s timeout.
Tomasz Chmielewski
https://lxadm.com
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