pvscsi_process_completion_ring+0xe0 でのカーネルパニックがコンソールに表示される
Issue
- カーネルがクラッシュし、コンソールまたは vmcore のカーネルリングバッファーに以下のメッセージが表示されます。
BUG: unable to handle kernel NULL pointer dereference at (null)
IP:[<(null)>] (null)
PGD 374b5067 PUD 374b6067 PMD 0
Oops:0010 [#1] SMP
[..]
Call Trace:
<IRQ>
[<ffffffffa0047950>] ? pvscsi_process_completion_ring+0xe0/0x350 [vmw_pvscsi]
[<ffffffffa0048229>] pvscsi_isr+0x39/0xb0 [vmw_pvscsi]
[<ffffffff810e1640>] handle_IRQ_event+0x60/0x170
[<ffffffff810e3d8e>] handle_edge_irq+0xde/0x180
[<ffffffff8100de89>] handle_irq+0x49/0xa0
[<ffffffff81516c8c>] do_IRQ+0x6c/0xf0
[<ffffffff8100b9d3>] ret_from_intr+0x0/0x11
<EOI>
[<ffffffff8103b90b>] ? native_safe_halt+0xb/0x10
[<ffffffff8101495d>] default_idle+0x4d/0xb0
[<ffffffff81009fc6>] cpu_idle+0xb6/0x110
[<ffffffff814f2f2a>] rest_init+0x7a/0x80
[<ffffffff81c27f7b>] start_kernel+0x424/0x430
[<ffffffff81c2733a>] x86_64_start_reservations+0x125/0x129
[<ffffffff81c27438>] x86_64_start_kernel+0xfa/0x109
Code:Bad RIP value.
RIP [<(null)>] (null)
RSP <ffff88002be03e00>
CR2:0000000000000000
Environment
- Red Hat Enterprise Linux 6
- 2.6.32-358.el6
- 2.6.32-358.0.1.el6.x86_64
- 2.6.32-358.2.1.el6.
- 2.6.32-358.23.2.el6.x86_64
- VMware guest using VMware Paravirtual (vmw_pvscsi) SCSI driver
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