netdev - Re: Network do not works with linux >= 6.1.2. Issue bisected to "425c9bd06b7a70796d880828d15c11321bdfb76d" (RDMA/irdma: Report the correct link speed)

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Date:   Fri, 6 Jan 2023 12:15:35 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Jaroslav Pulchart <jaroslav.pulchart@...ddata.com>
Cc:     kamalheib1@...il.com, shiraz.saleem@...el.com, leon@...nel.org,
        sashal@...nel.org, linux-rdma@...r.kernel.org,
        netdev@...r.kernel.org, Igor Raits <igor.raits@...ddata.com>
Subject: Re: Network do not works with linux >= 6.1.2. Issue bisected to
 "425c9bd06b7a70796d880828d15c11321bdfb76d" (RDMA/irdma: Report the correct
 link speed)

On Fri, Jan 06, 2023 at 08:55:29AM +0100, Jaroslav Pulchart wrote:
> [  257.967099] task:NetworkManager  state:D stack:0     pid:3387
> ppid:1      flags:0x00004002
> [  257.975446] Call Trace:
> [  257.977901]  <TASK>
> [  257.980004]  __schedule+0x1eb/0x630
> [  257.983498]  schedule+0x5a/0xd0
> [  257.986641]  schedule_timeout+0x11d/0x160
> [  257.990654]  __wait_for_common+0x90/0x1e0
> [  257.994666]  ? usleep_range_state+0x90/0x90
> [  257.998854]  __flush_workqueue+0x13a/0x3f0
> [  258.002955]  ? __kernfs_remove.part.0+0x11e/0x1e0
> [  258.007661]  ib_cache_cleanup_one+0x1c/0xe0 [ib_core]
> [  258.012721]  __ib_unregister_device+0x62/0xa0 [ib_core]
> [  258.017959]  ib_unregister_device+0x22/0x30 [ib_core]
> [  258.023024]  irdma_remove+0x1a/0x60 [irdma]
> [  258.027223]  auxiliary_bus_remove+0x18/0x30
> [  258.031414]  device_release_driver_internal+0x1aa/0x230
> [  258.036643]  bus_remove_device+0xd8/0x150
> [  258.040654]  device_del+0x18b/0x3f0
> [  258.044149]  ice_unplug_aux_dev+0x42/0x60 [ice]

We talked about this already - wasn't it on this series?

Don't hold locks when removing aux devices.

> [  258.048707]  ice_lag_changeupper_event+0x287/0x2a0 [ice]
> [  258.054038]  ice_lag_event_handler+0x51/0x130 [ice]
> [  258.058930]  raw_notifier_call_chain+0x41/0x60
> [  258.063381]  __netdev_upper_dev_link+0x1a0/0x370
> [  258.068008]  netdev_master_upper_dev_link+0x3d/0x60
> [  258.072886]  bond_enslave+0xd16/0x16f0 [bonding]
> [  258.077517]  ? nla_put+0x28/0x40
> [  258.080756]  do_setlink+0x26c/0xc10
> [  258.084249]  ? avc_alloc_node+0x27/0x180
> [  258.088173]  ? __nla_validate_parse+0x141/0x190
> [  258.092708]  __rtnl_newlink+0x53a/0x620
> [  258.096549]  rtnl_newlink+0x44/0x70

Especially not the rtnl.

Jason