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SubjectRe: [LKP] [genetlink] WARNING: CPU: 0 PID: 804 at net/netlink/genetlink.c:1037 genl_unbind+0xc0/0xd0()
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I found the test summary table for the test, just FYI.

+---------------------------------------------------+------------+------------+
| | f555f3d76a | 5ad6300524 |
+---------------------------------------------------+------------+------------+
| boot_successes | 10 | 21 |
| boot_failures | 36 | 25 |
| WARNING:at_net/netlink/genetlink.c:#genl_unbind() | 36 | 3 |
+---------------------------------------------------+------------+------------+

Best Regards,
Huang, Ying

On Mon, 2015-02-09 at 16:07 +0800, Huang Ying wrote:
> FYI, we noticed the below changes on
>
> commit 5ad6300524c0332ac67e912c20d6e5cf262ba58f ("genetlink: disallow subscribing to unknown mcast groups")
>
> Although the frequency decreased a lot, from 100% to about 8.33%, we still find the warning in dmesg after applying the commit.
>
> [ 299.872857] ------------[ cut here ]------------
> [ 300.039960] WARNING: CPU: 0 PID: 804 at net/netlink/genetlink.c:1037 genl_unbind+0xc0/0xd0()
> [ 300.360780] CPU: 0 PID: 804 Comm: trinity-main Not tainted 3.19.0-rc4-00160-g5ad6300 #11
> [ 300.360783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> [ 300.360793] ffffffff823ad820 ffff88001556be68 ffffffff81d86b84 0000000000000065
> [ 300.360795] 0000000000000000 ffff88001556bea8 ffffffff810c2f30 ffffffff82635dc0
> [ 300.360796] 0000000000000000 ffffffff82635dc0 0000000000000001 ffffffff836d7000
> [ 300.360799] Call Trace:
> [ 300.361185] [<ffffffff81d86b84>] dump_stack+0x4f/0x7b
> [ 300.361254] [<ffffffff810c2f30>] warn_slowpath_common+0x80/0xc0
> [ 300.361256] [<ffffffff810c3035>] warn_slowpath_null+0x15/0x20
> [ 300.361270] [<ffffffff81d7a250>] genl_unbind+0xc0/0xd0
> [ 300.361272] [<ffffffff81d7782b>] netlink_setsockopt+0x24b/0x270
> [ 300.361279] [<ffffffff81d3d3be>] SyS_setsockopt+0x5e/0xc0
> [ 300.361285] [<ffffffff81d95f29>] system_call_fastpath+0x12/0x17
> [ 300.361296] ---[ end trace 5d4dac2c7bb8ca45 ]---
>
> Thanks,
> Huang, Ying
>
> _______________________________________________
> LKP mailing list
> LKP@linux.intel.com




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