From: David Miller <davem@davemloft.net>
To: gwshan@linux.vnet.ibm.com
Cc: netdev@vger.kernel.org, prashant@broadcom.com, mchan@broadcom.com
Subject: Re: [PATCH] net/tg3: Release IRQs on permanent error
Date: Sat, 25 Apr 2015 14:42:12 -0400 (EDT) [thread overview]
Message-ID: <20150425.144212.306837701165179931.davem@davemloft.net> (raw)
In-Reply-To: <1429852943-28953-1-git-send-email-gwshan@linux.vnet.ibm.com>
From: Gavin Shan <gwshan@linux.vnet.ibm.com>
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 <gwshan@linux.vnet.ibm.com>
Applied.
prev parent reply other threads:[~2015-04-25 18:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 5:22 [PATCH] net/tg3: Release IRQs on permanent error Gavin Shan
2015-04-24 21:59 ` Prashant Sreedharan
2015-04-25 18:42 ` David Miller [this message]
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