Re: [PATCH 1/7] PCI: Make sriov work with hotplug remove

[Jesse Barnes]

On Fri, 27 Jan 2012 10:55:09 -0800
Yinghai Lu <yinghai@xxxxxxxxxx> wrote:

> When hot remove pci express module that have pcie switch and support SRIOV, got
> 
> [ 5918.610127] pciehp 0000:80:02.2:pcie04: pcie_isr: intr_loc 1
> [ 5918.615779] pciehp 0000:80:02.2:pcie04: Attention button interrupt received
> [ 5918.622730] pciehp 0000:80:02.2:pcie04: Button pressed on Slot(3)
> [ 5918.629002] pciehp 0000:80:02.2:pcie04: pciehp_get_power_status: SLOTCTRL a8 value read 1f9
> [ 5918.637416] pciehp 0000:80:02.2:pcie04: PCI slot #3 - powering off due to button press.
> [ 5918.647125] pciehp 0000:80:02.2:pcie04: pcie_isr: intr_loc 10
> [ 5918.653039] pciehp 0000:80:02.2:pcie04: pciehp_green_led_blink: SLOTCTRL a8 write cmd 200
> [ 5918.661229] pciehp 0000:80:02.2:pcie04: pciehp_set_attention_status: SLOTCTRL a8 write cmd c0
> [ 5924.667627] pciehp 0000:80:02.2:pcie04: Disabling domain:bus:device=0000:b0:00
> [ 5924.674909] pciehp 0000:80:02.2:pcie04: pciehp_get_power_status: SLOTCTRL a8 value read 2f9
> [ 5924.683262] pciehp 0000:80:02.2:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:b0:00
> [ 5924.693976] libfcoe_device_notification: NETDEV_UNREGISTER eth6
> [ 5924.764979] libfcoe_device_notification: NETDEV_UNREGISTER eth14
> [ 5924.873539] libfcoe_device_notification: NETDEV_UNREGISTER eth15
> [ 5924.995209] libfcoe_device_notification: NETDEV_UNREGISTER eth16
> [ 5926.114407] sxge 0000:b2:00.0: PCI INT A disabled
> [ 5926.119342] BUG: unable to handle kernel NULL pointer dereference at (null)
> [ 5926.127189] IP: [<ffffffff81353a3b>] pci_stop_bus_device+0x33/0x83
> [ 5926.133377] PGD 0
> [ 5926.135402] Oops: 0000 [#1] SMP
> [ 5926.138659] CPU 2
> [ 5926.140499] Modules linked in:
> ...

Ok applied this series, thanks Yinghai.

-- 
Jesse Barnes, Intel Open Source Technology Center

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