From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [Bug 178581] New: v4.9-rc1: Deadlock while unloading IPoIB
Date: Wed, 19 Oct 2016 20:31:33 +0000 [thread overview]
Message-ID: <bug-178581-11804@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=178581
Bug ID: 178581
Summary: v4.9-rc1: Deadlock while unloading IPoIB
Product: Drivers
Version: 2.5
Kernel Version: v4.9-rc1
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Infiniband/RDMA
Assignee: drivers_infiniband-rdma-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
Reporter: bvanassche-HInyCGIudOg@public.gmane.org
Regression: No
Created attachment 241991
--> https://bugzilla.kernel.org/attachment.cgi?id=241991&action=edit
Lockdep output
The output produced by lockdep has been attached. Call trace from that
attachment:
Call Trace:
[<ffffffff81329695>] dump_stack+0x68/0x93
[<ffffffff810baafe>] print_circular_bug+0x1be/0x210
[<ffffffff810bd31c>] __lock_acquire+0x10fc/0x1270
[<ffffffff810bd8b9>] lock_acquire+0xe9/0x1d0
[<ffffffff8126275a>] __kernfs_remove+0x24a/0x310
[<ffffffff812632ae>] kernfs_remove+0x1e/0x30
[<ffffffff8126559c>] sysfs_remove_dir+0x4c/0x80
[<ffffffff8132bec8>] kobject_del+0x18/0x50
[<ffffffff81450fb0>] device_del+0x190/0x240
[<ffffffff81550a27>] netdev_unregister_kobject+0x57/0x60
[<ffffffff81527df0>] rollback_registered_many+0x220/0x370
[<ffffffff81527f6c>] rollback_registered+0x2c/0x40
[<ffffffff81528e54>] unregister_netdevice_queue+0x44/0x90
[<ffffffff81528eb7>] unregister_netdev+0x17/0x20
[<ffffffffa02bdc47>] ipoib_remove_one+0x97/0xe0 [ib_ipoib]
[<ffffffffa032c539>] ib_unregister_device+0xa9/0x150 [ib_core]
[<ffffffffa036d7e5>] mlx4_ib_remove+0x65/0x250 [mlx4_ib]
[<ffffffffa025131e>] mlx4_remove_device+0x6e/0x80 [mlx4_core]
[<ffffffffa0251738>] mlx4_unregister_device+0x48/0x90 [mlx4_core]
[<ffffffffa025364d>] mlx4_unload_one+0x7d/0x310 [mlx4_core]
[<ffffffffa02539cd>] mlx4_shutdown+0x5d/0x70 [mlx4_core]
[<ffffffff8136c768>] pci_device_shutdown+0x28/0x60
[<ffffffff81452f70>] device_shutdown+0xd0/0x1d0
[<ffffffff8108c7e1>] kernel_restart_prepare+0x31/0x40
[<ffffffff8108c88d>] kernel_restart+0xd/0x50
[<ffffffff8108cad9>] SYSC_reboot+0xf9/0x1e0
[<ffffffff8108cc09>] SyS_reboot+0x9/0x10
[<ffffffff8163ed2a>] entry_SYSCALL_64_fastpath+0x18/0xad
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reply other threads:[~2016-10-19 20:31 UTC|newest]
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