Good day.
I've finally got 'last breath' of system during hangs.
System: XCP 1.1
CPU:
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU L5520 @ 2.27GHz
stepping : 5
That hang usually happens during mass migration from host (e.g. host
evacuate). Host become unresponsive (no console responce, no management
interface pings, no ping to VM's (different network)).
Here trace from netconsole before (or during) hang process:
Sep 24 00:14:23 device vif132.0 left promiscuous mode
Sep 24 00:14:38 device vif133.0 left promiscuous mode
Sep 24 00:14:54 device vif134.0 left promiscuous mode
Sep 24 00:16:56 SRV BUG: soft lockup - CPU#2 stuck for 61s!
[selecon-host:7812]
Sep 24 00:16:56 Modules linked in:
Sep 24 00:16:56 SRV iscsi_tcp
Sep 24 00:16:56 SRV libiscsi_tcp
Sep 24 00:16:56 SRV libiscsi
Sep 24 00:16:56 SRV scsi_transport_iscsi
Sep 24 00:16:56 SRV netconsole
Sep 24 00:16:56 SRV nfs
Sep 24 00:16:56 SRV nfs_acl
Sep 24 00:16:56 SRV auth_rpcgss
Sep 24 00:16:56 SRV lockd
Sep 24 00:16:56 SRV sunrpc
Sep 24 00:16:56 SRV openvswitch_mod
Sep 24 00:16:56 SRV battery
Sep 24 00:16:56 SRV serial_core
Sep 24 00:16:56 SRV tpm_tis
Sep 24 00:16:56 SRV tpm
Sep 24 00:16:56 SRV tpm_bios
Sep 24 00:16:56 SRV i2c_i801
Sep 24 00:16:56 SRV i2c_core
Sep 24 00:16:56 SRV pcspkr
Sep 24 00:16:56 SRV dm_region_hash
Sep 24 00:16:56 SRV dm_log
Sep 24 00:16:56 SRV dm_mod
Sep 24 00:16:56 SRV ide_gd_mod
Sep 24 00:16:56 SRV ahci
Sep 24 00:16:56 SRV libata
Sep 24 00:16:56 SRV CR0: 80050033 CR2: f18e7004 CR3: 31148000 CR4:
00002660
Sep 24 00:16:56 SRV DR6: ffff0ff0 DR7: 00000400
Sep 24 00:16:56 Call Trace:
Sep 24 00:16:56 SRV [<c02bc928>] ? privcmd_ioctl+0xa8/0x1060
Sep 24 00:16:56 SRV [<c037d4c9>] ? schedule+0x2e9/0x970
Sep 24 00:16:56 SRV [<c0128490>] ? check_preempt_wakeup+0xe0/0x1d0
Sep 24 00:16:56 SRV [<c014aa3e>] ? futex_wait_queue_me+0xae/0xe0
Sep 24 00:16:56 SRV [<c014a90a>] ? futex_wait_setup+0x9a/0x120
Sep 24 00:16:56 SRV [<c014abd7>] ? futex_wait+0x167/0x230
Sep 24 00:16:56 SRV [<c0106a51>] ? local_clock+0x41/0x80
Sep 24 00:16:56 SRV [<c0106b60>] ? xen_clocksource_read+0x20/0x130
Sep 24 00:16:56 SRV [<c02bc880>] ? privcmd_ioctl+0x0/0x1060
Sep 24 00:16:56 SRV [<c01d3e26>] proc_reg_unlocked_ioctl+0x66/0x100
Sep 24 00:16:56 SRV [<c01d3dc0>] ? proc_reg_unlocked_ioctl+0x0/0x100
Sep 24 00:16:56 SRV [<c01a0768>] vfs_ioctl+0x28/0x80
Sep 24 00:16:56 SRV [<c0145378>] ? sched_clock_cpu+0x28/0x160
Sep 24 00:16:56 SRV [<c01a0915>] do_vfs_ioctl+0x85/0x580
Sep 24 00:16:56 SRV [<c014340c>] ? __remove_hrtimer+0x2c/0x50
Sep 24 00:16:56 SRV [<c014387a>] ? hrtimer_try_to_cancel+0x3a/0x80
Sep 24 00:16:56 SRV [<c013fea9>] ? sys_timer_settime+0x269/0x2a0
Sep 24 00:16:56 SRV [<c014d0d6>] ? sys_futex+0x66/0x120
Sep 24 00:16:56 SRV [<c01a0e70>] sys_ioctl+0x60/0x70
Sep 24 00:16:56 SRV [<c01044e1>] syscall_call+0x7/0xb
Sep 24 00:18:02 SRV BUG: soft lockup - CPU#1 stuck for 61s!
[domainWatcher:8789]
Sep 24 00:18:02 Modules linked in:
Sep 24 00:18:02 SRV iscsi_tcp
Sep 24 00:18:02 SRV libiscsi_tcp
Sep 24 00:18:02 SRV libiscsi
Sep 24 00:18:02 SRV scsi_transport_iscsi
Sep 24 00:18:02 SRV netconsole
Sep 24 00:18:02 SRV nfs
Sep 24 00:18:02 SRV nfs_acl
Sep 24 00:18:02 SRV auth_rpcgss
Sep 24 00:18:02 SRV lockd
Sep 24 00:18:02 SRV sunrpc
Sep 24 00:18:02 SRV openvswitch_mod
Sep 24 00:18:02 SRV [<c014340c>] ? __remove_hrtimer+0x2c/0x50
Sep 24 00:18:02 SRV [<c01044e1>] syscall_call+0x7/0xb
Sep 24 00:18:02 SRV BUG: soft lockup - CPU#2 stuck for 61s!
[selecon-host:7812]
Sep 24 00:18:02 Modules linked in:
Sep 24 00:18:02 SRV iscsi_tcp
Sep 24 00:18:02 SRV libiscsi_tcp
Sep 24 00:18:02 SRV libiscsi
Sep 24 00:18:02 SRV scsi_transport_iscsi
Sep 24 00:18:02 SRV netconsole
Sep 24 00:18:02 SRV nfs
Sep 24 00:18:02 SRV nfs_acl
Sep 24 00:18:02 SRV auth_rpcgss
Sep 24 00:18:02 SRV lockd
Sep 24 00:18:02 SRV sunrpc
Sep 24 00:18:02 SRV openvswitch_mod
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