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Date: Thu, 06 Feb 2014 13:45:04 -0800 From: Jay Vosburgh <fubar@...ibm.com> To: Thomas Glanzmann <thomas@...nzmann.de> cc: Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org, vfalico@...hat.com, andy@...yhouse.net, jiri@...nulli.us Subject: Re: RTNL: assertion failed at net/core/dev.c (4494) and RTNL: assertion failed at net/core/rtnetlink.c (940) Thomas Glanzmann <thomas@...nzmann.de> wrote: >Hello, >this morning I checked out Linus tip and compiled it after booting my >dmesg is full of: > >[ 8.944991] RTNL: assertion failed at net/core/dev.c (4494) >[ 8.950640] CPU: 3 PID: 388 Comm: kworker/u24:4 Not tainted 3.14.0-rc1+ #3 >[ 8.950642] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012 >[ 8.950654] Workqueue: bond0 bond_3ad_state_machine_handler [bonding] >[ 8.950658] 0000000000000000 ffff881020c88000 ffffffff8138e219 ffff881020c88000 >[ 8.950664] ffffffff812d3091 ffff881023961040 ffffffff812e3132 0000000000000246 >[ 8.950670] 0000000000000020 ffff881020ab1be8 0000000020ab1ba8 0000000000000000 >[ 8.950675] Call Trace: >[ 8.950686] [<ffffffff8138e219>] ? dump_stack+0x41/0x51 >[ 8.950694] [<ffffffff812d3091>] ? netdev_master_upper_dev_get+0x2a/0x4d >[ 8.950699] [<ffffffff812e3132>] ? rtnl_fill_ifinfo+0x2c/0xac4 >[ 8.950707] [<ffffffff81072211>] ? print_time.part.5+0x50/0x54 >[ 8.950715] [<ffffffff812caf94>] ? __kmalloc_reserve.isra.42+0x2a/0x6d >[ 8.950721] [<ffffffff81102040>] ? ksize+0x12/0x1e >[ 8.950726] [<ffffffff812cb2b7>] ? __alloc_skb+0xb5/0x1a9 >[ 8.950731] [<ffffffff812e4626>] ? rtmsg_ifinfo+0x6c/0xd6 >[ 8.950739] [<ffffffffa035f4f9>] ? __enable_port.isra.17+0x51/0x5a [bonding] >[ 8.950747] [<ffffffffa0360463>] ? ad_agg_selection_logic+0x3d3/0x3ed [bonding] >[ 8.950754] [<ffffffffa0360d40>] ? bond_3ad_state_machine_handler+0x555/0x918 [bonding] This was apparently introduced by commit: commit 1d3ee88ae0d605629bf369ab0b868dae8ca62a48 Author: sfeldma@...ulusnetworks.com <sfeldma@...ulusnetworks.com> Date: Thu Jan 16 22:57:56 2014 -0800 bonding: add netlink attributes to slave link dev which adds an "rtmsg_ifinfo" call to bond_set_active_slave and bond_set_backup_slave, both of which are invoked in several places in the 802.3ad code without RTNL held (via __enable_port and __disable_port). Still looking into a fix. -J --- -Jay Vosburgh, IBM Linux Technology Center, fubar@...ibm.com -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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