From: "Fuxbrumer, Dvora" <dvorax.fuxbrumer@linux.intel.com>
To: Aaron Ma <aaron.ma@canonical.com>,
jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com,
davem@davemloft.net, kuba@kernel.org,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH v2] igc: fix page fault when thunderbolt is unplugged
Date: Wed, 4 Aug 2021 15:06:44 +0300 [thread overview]
Message-ID: <567b12f8-359a-5268-e020-edcf2dd46937@linux.intel.com> (raw)
In-Reply-To: <20210713130036.741188-1-aaron.ma@canonical.com>
On 7/13/2021 16:00, Aaron Ma wrote:
> After unplug thunerbolt dock with i225, pciehp interrupt is triggered,
> remove call will read/write mmio address which is already disconnected,
> then cause page fault and make system hang.
>
> Check PCI state to remove device safely.
>
> Trace:
> BUG: unable to handle page fault for address: 000000000000b604
> Oops: 0000 [#1] SMP NOPTI
> RIP: 0010:igc_rd32+0x1c/0x90 [igc]
> Call Trace:
> igc_ptp_suspend+0x6c/0xa0 [igc]
> igc_ptp_stop+0x12/0x50 [igc]
> igc_remove+0x7f/0x1c0 [igc]
> pci_device_remove+0x3e/0xb0
> __device_release_driver+0x181/0x240
>
> Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
> ---
> drivers/net/ethernet/intel/igc/igc_main.c | 32 ++++++++++++++---------
> drivers/net/ethernet/intel/igc/igc_ptp.c | 3 ++-
> 2 files changed, 21 insertions(+), 14 deletions(-)
>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
prev parent reply other threads:[~2021-08-04 12:07 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-02 4:51 [PATCH 1/2] igc: don't rd/wr iomem when PCI is removed Aaron Ma
2021-07-02 4:51 ` [PATCH 2/2] igc: wait for the MAC copy when enabled MAC passthrough Aaron Ma
2021-07-04 5:36 ` [Intel-wired-lan] " Neftin, Sasha
2021-07-05 7:38 ` Aaron Ma
2021-07-05 11:54 ` Neftin, Sasha
2021-07-06 6:46 ` Aaron Ma
2021-07-08 4:24 ` Neftin, Sasha
2021-07-13 13:45 ` Aaron Ma
2021-07-14 9:13 ` Ruinskiy, Dima
2021-07-04 14:28 ` [PATCH 1/2] igc: don't rd/wr iomem when PCI is removed Pali Rohár
2021-07-05 7:23 ` Aaron Ma
2021-07-05 23:02 ` Krzysztof Wilczyński
2021-07-06 14:23 ` Pali Rohár
2021-07-05 7:47 ` Dave Airlie
2021-07-06 6:42 ` Aaron Ma
2021-07-06 20:12 ` Bjorn Helgaas
2021-07-07 21:53 ` Pali Rohár
2021-07-07 22:10 ` Bjorn Helgaas
2021-07-08 2:04 ` Oliver O'Halloran
2021-07-08 15:45 ` Bjorn Helgaas
2021-07-18 16:31 ` Oliver O'Halloran
2021-07-18 22:50 ` Pali Rohár
2021-07-19 2:49 ` Oliver O'Halloran
2021-07-19 8:13 ` Pali Rohár
2021-07-20 0:17 ` Bjorn Helgaas
2021-07-13 13:00 ` [PATCH v2] igc: fix page fault when thunderbolt is unplugged Aaron Ma
2021-08-04 12:06 ` Fuxbrumer, Dvora [this message]
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