select_task_rq_fair() における除算エラーによるカーネルパニック

Issue

• get_dirty_limits におけるゼロ除算エラーにより、カーネルパニックが発生しました。

divide error:0000 [#1] SMP 
last sysfs file:/sys/devices/virtual/dmi/id/product_serial
CPU 0 
Modules linked in: fuse vsock(U) vmci(U) autofs4 nfs lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 ext3 jbd dm_mirror dm_region_hash dm_log ppdev parport_pc parport microcode vmware_balloon sg vmxnet3 i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom vmw_pvscsi ata_generic pata_acpi ata_piix dm_mod [last unloaded: speedstep_lib]

Modules linked in: fuse vsock(U) vmci(U) autofs4 nfs lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 ext3 jbd dm_mirror dm_region_hash dm_log ppdev parport_pc parport microcode vmware_balloon sg vmxnet3 i2c_piix4 i2c_core shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom vmw_pvscsi ata_generic pata_acpi ata_piix dm_mod [last unloaded: speedstep_lib]
Pid:28027, comm: rsyslogd Tainted:G        W  ----------------   2.6.32-131.17.1.el6.x86_64 #1 VMware Virtual Platform
RIP:0010:[<ffffffff81058db1>]  [<ffffffff81058db1>] select_task_rq_fair+0x7a1/0x980
RSP:0018:ffff880038609d60  EFLAGS:00010006
RAX:0000000000300000 RBX:0000000000000c00 RCX:0000000000000000
RDX:0000000000000000 RSI:000000000000000f RDI:000000000000000f
RBP: ffff880038609e30 R08: ffff880028210390 R09:0000000000000000
R10:0908000000000000 R11:0000000000000001 R12: ffff880028210390
R13:00000000ffffffff R14:0000000000000000 R15: ffff880028210380
FS:00007fa20269d700(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
CS:0010 DS:0000 ES:0000 CR0:000000008005003b
CR2:0000000000ae7d40 CR3:000000032d800000 CR4:00000000000006f0
DR0:0000000000000000 DR1:0000000000000000 DR2:0000000000000000
DR3:0000000000000000 DR6:00000000ffff0ff0 DR7:0000000000000400
Process rsyslogd (pid:28027, threadinfo ffff880038608000, task ffff880109120ac0)
Stack:
 ffff88016bb14ac0 ffffffff81aa4b90 ffffffff81a9f780 ffff8802e5025ac0
<0> 0000000000015f80 0000000000015f80 000000000000007d 0000000000000000
<0> 000000006bb14ac0 0000000000000000 0000000000015f80 0000000000015f88
Call Trace:
 [<ffffffff8105e39f>] wake_up_new_task+0x3f/0x150
 [<ffffffff81066223>] do_fork+0x133/0x480
 [<ffffffff8117313f>] ? vfs_read+0x12f/0x1a0
 [<ffffffff810d1b52>] ? audit_syscall_entry+0x272/0x2a0
 [<ffffffff81009578>] sys_clone+0x28/0x30
 [<ffffffff8100b493>] stub_clone+0x13/0x20
 [<ffffffff8100b172>] ? system_call_fastpath+0x16/0x1b
Code:55 c0 4d 8b 3f 4c 3b 7a 10 74 40 48 89 45 b8 e9 0e ff ff ff 66 0f 1f 44 00 00 4c 8b 7d a0 48 89 d8 31 d2 48 c1 e0 0a 41 8b 4f 08 <48> f7 f1 45 85 ed 74 37 48 8b 55 c0 48 89 85 78 ff ff ff 4d 8b 
RIP  [<ffffffff81058db1>] select_task_rq_fair+0x7a1/0x980
 RSP <ffff880038609d60>