[ovirt-users] swap + crash

[paf1 at email.cz]

Hello,
we have big problem with metadata IO error and swap issue
with:
OS =                    RHEL - 7 - 1.1503.el7.centos.2.8
kernel =              3.10.0 - 229.4.2.el7.x86_64
KVM Version =  2.1.2 - 23.el7_1.3.1
LIBVIRT =           libvirt-1.2.8-16.el7_1.3
gluster =              glusterfs-3.7.1-1.el7       ( replica 2 on XFS )
Phys.MEM =       128667 MB total, 23160 MB used, 105507 MB free
swap =                 398334 MB total, 32049 MB used, 366285 MB free

Can anybody  get any idea what's wrong ??
System swapping continualy in spite of a lot of free memory available. ( 
we added large temporary swap space  )


Permanent write to /var/log/messages :

Journal: End of file while reading data: Input/output error
... and
Jun 23 15:46:04 1kvm1 journal: metadata not found: Requested metadata 
element is not present
Jun 23 15:46:06 1kvm1 journal: metadata not found: Requested metadata 
element is not present
Jun 23 15:46:09 1kvm1 kernel: swapper/16: page allocation failure: 
order:2, mode:0x104020
Jun 23 15:46:09 1kvm1 kernel: CPU: 16 PID: 0 Comm: swapper/16 Tainted: 
G          I --------------   3.10.0-229.4.2.el7.x86_64 #1
Jun 23 15:46:09 1kvm1 kernel: Hardware name: Supermicro 
X10SRi-F/X10SRi-F, BIOS 1.0a 08/27/2014
Jun 23 15:46:09 1kvm1 kernel: 0000000000104020 04badf98503e3f59 
ffff881fff403a00 ffffffff81604eaa
Jun 23 15:46:09 1kvm1 kernel: ffff881fff403a90 ffffffff8115c620 
ffff88207fffd4e8 ffff881fff403a50
Jun 23 15:46:09 1kvm1 kernel: ffff88207ffd8000 ffff88207ffd8000 
0000000000000002 04badf98503e3f59
Jun 23 15:46:09 1kvm1 kernel: Call Trace:
Jun 23 15:46:09 1kvm1 kernel: <IRQ> [<ffffffff81604eaa>] 
dump_stack+0x19/0x1b
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8115c620>] 
warn_alloc_failed+0x110/0x180
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff81160db8>] 
__alloc_pages_nodemask+0x9a8/0xb90
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8155ab15>] ? 
tcp_v4_do_rcv+0x1b5/0x470
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8119f549>] 
alloc_pages_current+0xa9/0x170
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8115b59e>] __get_free_pages+0xe/0x50
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff811aa32e>] 
kmalloc_order_trace+0x2e/0xa0
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff811acbc9>] __kmalloc+0x219/0x230
Jun 23 15:46:09 1kvm1 kernel: [<ffffffffa02f02ea>] 
bnx2x_frag_alloc.isra.64+0x2a/0x40 [bnx2x]
Jun 23 15:46:09 1kvm1 kernel: [<ffffffffa02f15b4>] 
bnx2x_alloc_rx_data.isra.71+0x54/0x1c0 [bnx2x]
Jun 23 15:46:09 1kvm1 kernel: [<ffffffffa02f33bd>] 
bnx2x_rx_int+0x89d/0x1910 [bnx2x]
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8101bad9>] ? sched_clock+0x9/0x10
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff810acd84>] ? task_cputime+0x44/0x80
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff810400c2>] ? 
x86_acpi_suspend_lowlevel+0x12/0x170
Jun 23 15:46:09 1kvm1 kernel: [<ffffffffa02f485a>] bnx2x_poll+0xfa/0x3c0 
[bnx2x]
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff814fcfa2>] net_rx_action+0x152/0x240
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff81077bf7>] __do_softirq+0xf7/0x290
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8161671c>] call_softirq+0x1c/0x30
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff81015de5>] do_softirq+0x55/0x90
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff81077f95>] irq_exit+0x115/0x120
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff816172b8>] do_IRQ+0x58/0xf0
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8160c4ad>] 
common_interrupt+0x6d/0x6d
Jun 23 15:46:09 1kvm1 kernel: <EOI> [<ffffffff814aaa32>] ? 
cpuidle_enter_state+0x52/0xc0
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff814aaa28>] ? 
cpuidle_enter_state+0x48/0xc0
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff814aab65>] 
cpuidle_idle_call+0xc5/0x200
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff8101d21e>] arch_cpu_idle+0xe/0x30
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff810c6985>] 
cpu_startup_entry+0xf5/0x290
Jun 23 15:46:09 1kvm1 kernel: [<ffffffff810423ca>] 
start_secondary+0x1ba/0x230
Jun 23 15:46:16 1kvm1 journal: metadata not found: Requested metadata 
element is not present
Jun 23 15:46:19 1kvm1 journal: metadata not found: Requested metadata 
element is not present

regs. a lot
Paf1
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