Issue

• service network restart を実行すると、コンソールと /var/log/messages に以下のエラーメッセージが表示されます。

Mar  9 15:49:44 HOSTNAME kernel:DRHD: handling fault status reg 202
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:Request device [[20:04.0] fault index 6a
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:Request device [[20:04.1] fault index 6b
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:Request device [[20:04.2] fault index 6c
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:Request device [[20:04.3] fault index 6d
Mar  9 15:49:44 HOSTNAME kernel:INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear

• これらのエラーはサーバーの起動時に表示されます。

Mar  9 14:53:46 HOSTNAME kernel:WARNING: at drivers/pci/intr_remapping.c:715 enable_intr_remapping+0x73/0x2af() (Not tainted)
Mar  9 14:53:46 HOSTNAME kernel:Hardware name:ProLiant DL380p Gen8
Mar  9 14:53:46 HOSTNAME kernel:Your BIOS has requested that x2apic be disabled.
Mar  9 14:53:46 HOSTNAME kernel:This will leave your machine vulnerable to irq-injection attacks.
Mar  9 14:53:46 HOSTNAME kernel:Use 'intremap=no_x2apic_optout' to override BIOS request.
Mar  9 14:53:46 HOSTNAME kernel:Modules linked in:
Mar  9 14:53:46 HOSTNAME kernel:Pid:1, comm: swapper Not tainted 2.6.32-220.el6.x86_64 #1
Mar  9 14:53:46 HOSTNAME kernel:Call Trace:
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81069b77>] ? warn_slowpath_common+0x87/0xc0
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81069c66>] ? warn_slowpath_fmt+0x46/0x50
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c50521>] ? enable_intr_remapping+0x73/0x2af
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c30248>] ? enable_IR+0x54/0x6e
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c30322>] ? enable_IR_x2apic+0xc0/0x221
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c2e189>] ? native_smp_prepare_cpus+0x143/0x389
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c1f740>] ? kernel_init+0x112/0x2f9
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff8100c14a>] ? child_rip+0xa/0x20
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff81c1f62e>] ? kernel_init+0x0/0x2f9
Mar  9 14:53:46 HOSTNAME kernel:[<ffffffff8100c140>] ? child_rip+0x0/0x20
Mar  9 14:53:46 HOSTNAME kernel:---[ end trace a7919e7f17c0a725 ]---

• 以下も表示されます。

Mar  9 14:53:46 HOSTNAME kernel:[Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 38d is 330)