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Date:	Sat, 25 Apr 2015 14:42:12 -0400 (EDT)
From:	David Miller <>
Subject: Re: [PATCH] net/tg3: Release IRQs on permanent error

From: Gavin Shan <>
Date: Fri, 24 Apr 2015 15:22:23 +1000

> When having permanent EEH error, the PCI device will be removed
> from the system. For this case, we shouldn't set pcierr_recovery
> to true wrongly, which blocks the driver to release the allocated
> interrupts and their handlers. Eventually, we can't disable MSI
> or MSIx successfully because of the MSI or MSIx interrupts still
> have associated interrupt actions, which is turned into following
> stack dump.
> Oops: Exception in kernel mode, sig: 5 [#1]
>         :
> [c0000000003b76a8] .free_msi_irqs+0x80/0x1a0 (unreliable)
> [c00000000039f388] .pci_remove_bus_device+0x98/0x110
> [c0000000000790f4] .pcibios_remove_pci_devices+0x9c/0x128
> [c000000000077b98] .handle_eeh_events+0x2d8/0x4b0
> [c0000000000782d0] .eeh_event_handler+0x130/0x1c0
> [c000000000022bd4] .kernel_thread+0x54/0x70
> Signed-off-by: Gavin Shan <>

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