From: Mark Zhang <markz@mellanox.com>
To: Jason Gunthorpe <jgg@ziepe.ca>, oulijun <oulijun@huawei.com>,
Parav Pandit <parav@mellanox.com>
Cc: Doug Ledford <dledford@redhat.com>,
linux-rdma <linux-rdma@vger.kernel.org>
Subject: Re: 【Ask for help】 A question for __ib_cache_gid_add()
Date: Fri, 1 Nov 2019 13:21:52 +0000 [thread overview]
Message-ID: <f16f1832-6ca2-e606-259e-d039e8e47804@mellanox.com> (raw)
In-Reply-To: <20191101130540.GB30938@ziepe.ca>
On 11/1/2019 9:05 PM, Jason Gunthorpe wrote:
> On Fri, Nov 01, 2019 at 05:36:36PM +0800, oulijun wrote:
>> Hi
>> I am using the ubuntu system(5.0.0 kernel) to test the hip08 NIC port,. When I modify the perr mac1 to mac2,then restore to mac1, it will cause
>> the gid0 and gid 1 of the roce to be unavailable, and check that the /sys/class/infiniband/hns_0/ports/1/gid_attrs/ndevs/0 is show invalid.
>> the protocol stack print will appear.
>>
>> Oct 16 17:59:36 ubuntu kernel: [200635.496317] __ib_cache_gid_add: unable to add gid fe80:0000:0000:0000:4600:4dff:fea7:9599 error=-28
>> Oct 16 17:59:37 ubuntu kernel: [200636.705848] 8021q: adding VLAN 0 to HW filter on device enp189s0f0
>> Oct 16 17:59:37 ubuntu kernel: [200636.705854] __ib_cache_gid_add: unable to add gid fe80:0000:0000:0000:4600:4dff:fea7:9599 error=-28
>> Oct 16 17:59:39 ubuntu kernel: [200638.755828] hns3 0000:bd:00.0 enp189s0f0: link up
>> Oct 16 17:59:39 ubuntu kernel: [200638.755847] IPv6: ADDRCONF(NETDEV_CHANGE): enp189s0f0: link becomes ready
>> Oct 16 18:00:56 ubuntu kernel: [200715.699961] hns3 0000:bd:00.0 enp189s0f0: link down
>> Oct 16 18:00:56 ubuntu kernel: [200716.016142] __ib_cache_gid_add: unable to add gid fe80:0000:0000:0000:4600:4dff:fea7:95f4 error=-28
>> Oct 16 18:00:58 ubuntu kernel: [200717.229857] 8021q: adding VLAN 0 to HW filter on device enp189s0f0
>> Oct 16 18:00:58 ubuntu kernel: [200717.229863] __ib_cache_gid_add: unable to add gid fe80:0000:0000:0000:4600:4dff:fea7:95f4 error=-28
>>
>> Has anyone else encounterd a similar problem ? I wonder if the _ib_cache_add_gid() is defective in 5.0 kernel?
>
> Maybe Parav knows?
>
One possibility is, during the operation you have port reset; Then
all gids will be deleted and re-created. But during gids re-build
gid entry #0 and #1 is in use, so they cannot be deleted then you
get this error.
> Jason
>
next prev parent reply other threads:[~2019-11-01 13:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 9:36 【Ask for help】 A question for __ib_cache_gid_add() oulijun
2019-11-01 13:05 ` Jason Gunthorpe
2019-11-01 13:21 ` Mark Zhang [this message]
2019-11-01 13:36 ` Mark Zhang
2019-11-05 8:47 ` oulijun
2019-11-01 16:00 ` Parav Pandit
2019-11-13 12:35 ` oulijun
2019-11-13 18:03 ` Parav Pandit
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