[Qemu-devel] [Bug 754591] [NEW] NIC doesn't work when it had been used before

[Yongjie Ren]

Public bug reported:

Environment:
------------
Host OS (ia32/ia32e/IA64): All
Guest OS (ia32/ia32e/IA64): All
Guest OS Type (Linux/Windows):All
kvm.git Commit:3b840cc27e5b831a26e3303096b88e112d1cf59f
qemu-kvm Commit:df85c051d780bca0ee2462cfeb8ef6d9552a19b0
Host Kernel Version:2.6.38+
Hardware:Westmere-EP / Sandy Bridge


Bug detailed description:
--------------------------
NIC doesn't work when it had been used before.
Statically assign a NIC to guest, it works well. Then shutdown the guest, and
assign the same NIC to a guest again. The NIC doesn't work. The dmesg of the
guest is as following.
--
Intel(R) Gigabit Ethernet Network Driver - version 2.1.0-k2
Copyright (c) 2007-2009 Intel Corporation.
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
igb 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 11 (level, high) -> IRQ 11
igb 0000:00:03.0: setting latency timer to 64
  alloc irq_desc for 24 on node -1
  alloc kstat_irqs on node -1
igb 0000:00:03.0: irq 24 for MSI/MSI-X
  alloc irq_desc for 25 on node -1
  alloc kstat_irqs on node -1
igb 0000:00:03.0: irq 25 for MSI/MSI-X
  alloc irq_desc for 26 on node -1
  alloc kstat_irqs on node -1
igb 0000:00:03.0: irq 26 for MSI/MSI-X
igb 0000:00:03.0: PHY reset is blocked due to SOL/IDER session.
igb 0000:00:03.0: The NVM Checksum Is Not Valid
igb 0000:00:03.0: PCI INT A disabled
igb: probe of 0000:00:03.0 failed with error -5


Reproduce steps:
----------------
1.statically assign a NIC to a guest, check if it works well
2.shutdown the guest.
3.statically assign the same NIC to a guest (NIC doesn't work now).

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: vt-d

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https://bugs.launchpad.net/bugs/754591

Title:
  NIC doesn't work when it had been used before

Status in QEMU:
  New

Bug description:
  Environment:
  ------------
  Host OS (ia32/ia32e/IA64): All
  Guest OS (ia32/ia32e/IA64): All
  Guest OS Type (Linux/Windows):All
  kvm.git Commit:3b840cc27e5b831a26e3303096b88e112d1cf59f
  qemu-kvm Commit:df85c051d780bca0ee2462cfeb8ef6d9552a19b0
  Host Kernel Version:2.6.38+
  Hardware:Westmere-EP / Sandy Bridge

  
  Bug detailed description:
  --------------------------
  NIC doesn't work when it had been used before.
  Statically assign a NIC to guest, it works well. Then shutdown the guest, and
  assign the same NIC to a guest again. The NIC doesn't work. The dmesg of the
  guest is as following.
  --
  Intel(R) Gigabit Ethernet Network Driver - version 2.1.0-k2
  Copyright (c) 2007-2009 Intel Corporation.
  ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
  igb 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 11 (level, high) -> IRQ 11
  igb 0000:00:03.0: setting latency timer to 64
    alloc irq_desc for 24 on node -1
    alloc kstat_irqs on node -1
  igb 0000:00:03.0: irq 24 for MSI/MSI-X
    alloc irq_desc for 25 on node -1
    alloc kstat_irqs on node -1
  igb 0000:00:03.0: irq 25 for MSI/MSI-X
    alloc irq_desc for 26 on node -1
    alloc kstat_irqs on node -1
  igb 0000:00:03.0: irq 26 for MSI/MSI-X
  igb 0000:00:03.0: PHY reset is blocked due to SOL/IDER session.
  igb 0000:00:03.0: The NVM Checksum Is Not Valid
  igb 0000:00:03.0: PCI INT A disabled
  igb: probe of 0000:00:03.0 failed with error -5

  
  Reproduce steps:
  ----------------
  1.statically assign a NIC to a guest, check if it works well
  2.shutdown the guest.
  3.statically assign the same NIC to a guest (NIC doesn't work now).