/sys/devices/virtual/net/bond0/bonding/mode: active-backup 1 - systemd-networkd dmesg: BUG: sleeping function called from invalid context at mm/slub.c:965 in_atomic(): 1, irqs_disabled(): 0, pid: 593, name: systemd-network 2 locks held by systemd-network/593: #0: (rtnl_mutex){+.+.+.}, at: [<ffffffff8169e57b>] rtnetlink_rcv+0x1b/0x40 #1: (&bond->curr_slave_lock){+...+.}, at: [<ffffffffa0487291>] bond_enslave+0xf31/0xf50 [bonding] CPU: 2 PID: 593 Comm: systemd-network Not tainted 3.15.0-0.rc0.git2.1.fc21.x86_64 #1 Call Trace: dump_stack+0x4d/0x66 __might_sleep+0x17e/0x230 kmem_cache_alloc_node+0x4a/0x390 [<ffffffff816779dd>] __alloc_skb+0x5d/0x2d0 [<ffffffff816a0bd8>] rtmsg_ifinfo+0x48/0x110 [<ffffffff810fa18d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8109dd45>] ? __local_bh_enable_ip+0x75/0xe0 [<ffffffffa0485ca7>] bond_change_active_slave+0x197/0x670 [bonding] [<ffffffffa0486264>] bond_select_active_slave+0xe4/0x1e0 [bonding] [<ffffffffa048729a>] bond_enslave+0xf3a/0xf50 [bonding] [<ffffffff8169fdf2>] do_setlink+0xa02/0xa70 [<ffffffff813f4fc6>] ? nla_parse+0x96/0xe0 [<ffffffff816a0da1>] rtnl_setlink+0xc1/0x130 [<ffffffff810a1739>] ? ns_capable+0x39/0x70 [<ffffffff8169e64b>] rtnetlink_rcv_msg+0xab/0x270 [<ffffffff8169e57b>] ? rtnetlink_rcv+0x1b/0x40 [<ffffffff8169e57b>] ? rtnetlink_rcv+0x1b/0x40 [<ffffffff8169e5a0>] ? rtnetlink_rcv+0x40/0x40 [<ffffffff816c3e29>] netlink_rcv_skb+0xa9/0xc0 [<ffffffff8169e58a>] rtnetlink_rcv+0x2a/0x40 [<ffffffff816c3420>] netlink_unicast+0x100/0x1e0 [<ffffffff816c3847>] netlink_sendmsg+0x347/0x770 [<ffffffff8166c78c>] sock_sendmsg+0x9c/0xe0 [<ffffffff811de22f>] ? might_fault+0x5f/0xb0 [<ffffffff811de278>] ? might_fault+0xa8/0xb0 [<ffffffff811de22f>] ? might_fault+0x5f/0xb0 [<ffffffff8166cd04>] SYSC_sendto+0x124/0x1d0 [<ffffffff81024879>] ? sched_clock+0x9/0x10 [<ffffffff810ddb75>] ? local_clock+0x25/0x30 [<ffffffff8111cfc9>] ? current_kernel_time+0x69/0xd0 [<ffffffff810fa0b5>] ? trace_hardirqs_on_caller+0x105/0x1d0 [<ffffffff810fa18d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8166dede>] SyS_sendto+0xe/0x10 [<ffffffff817e79a9>] system_call_fastpath+0x16/0x1b - NetworkManager dmesg: BUG: sleeping function called from invalid context at mm/slub.c:965 in_atomic(): 1, irqs_disabled(): 0, pid: 73, name: kworker/u16:5 4 locks held by kworker/u16:5/73: #0: ("%s"(bond_dev->name)){.+.+.+}, at: [<ffffffff810bbd14>] process_one_work+0x1b4/0x6f0 #1: ((&(&bond->mii_work)->work)){+.+.+.}, at: [<ffffffff810bbd14>] process_one_work+0x1b4/0x6f0 #2: (rtnl_mutex){+.+.+.}, at: [<ffffffff8169d9c5>] rtnl_trylock+0x15/0x20 #3: (&bond->curr_slave_lock){+...+.}, at: [<ffffffffa040d2bd>] bond_mii_monitor+0x51d/0x7f0 [bonding] CPU: 0 PID: 73 Comm: kworker/u16:5 Not tainted 3.15.0-0.rc0.git2.1.fc21.x86_64 #1 Workqueue: bond0 bond_mii_monitor [bonding] Call Trace: [<ffffffff817d3c00>] dump_stack+0x4d/0x66 [<ffffffff810d044e>] __might_sleep+0x17e/0x230 [<ffffffff8121034a>] kmem_cache_alloc_node+0x4a/0x390 [<ffffffff816779dd>] __alloc_skb+0x5d/0x2d0 [<ffffffff816a0bd8>] rtmsg_ifinfo+0x48/0x110 [<ffffffff810fa18d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8109dd45>] ? __local_bh_enable_ip+0x75/0xe0 [<ffffffffa0409ca7>] bond_change_active_slave+0x197/0x670 [bonding] [<ffffffffa040a264>] bond_select_active_slave+0xe4/0x1e0 [bonding] [<ffffffffa040d2c6>] bond_mii_monitor+0x526/0x7f0 [bonding] [<ffffffffa040cdf6>] ? bond_mii_monitor+0x56/0x7f0 [bonding] [<ffffffff810bbd80>] process_one_work+0x220/0x6f0 [<ffffffff810bbd14>] ? process_one_work+0x1b4/0x6f0 [<ffffffff810bc36b>] worker_thread+0x11b/0x3a0 [<ffffffff810bc250>] ? process_one_work+0x6f0/0x6f0 [<ffffffff810c473f>] kthread+0xff/0x120 [<ffffffff810c4640>] ? insert_kthread_work+0x80/0x80 [<ffffffff817e78fc>] ret_from_fork+0x7c/0xb0 [<ffffffff810c4640>] ? insert_kthread_work+0x80/0x80
Created attachment 881690 [details] 3.15.0-0.rc0.git2.1.fc21.x86_64 Bonding
Eric says this should be fixed by commit 072256d1f2b8ba0bbb265d590c703f. The network tree hasn't been merged yet.
Yeah. Tested with 3.15.0-0.rc0.git3.2.fc21.x86_64 i.e. 3.15.0-0.rc0.git3.1.fc21.x86_64[1] & bonding-make-slave-status-notifications-GFP_ATOMIC.patch[2] PASSED! [1] http://koji.fedoraproject.org/koji/buildinfo?buildID=508615 [2] https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/net/bonding?id=072256d1f2b8ba0bbb265d590c703f3d57a39d6a
The git8 build going now contains the aforementioned commit.
Yeah, tested with 3.15.0-0.rc0.git8.1.fc21.x86_64 & 3.15.0-0.rc0.git8.2.fc21.x86_64(nodebug). Thanks.