Bluez5 crashes RHEL 7.1
I've compiled an rpm package of bluez-5.30 from upstream tar-balls. Currently, in the Beta release of RHEL 7.1,
systemd-208-20udevsystemd-219[Bug 99301] New: socket shutdown of L2CAP ERTM channel causes hung tasks when S or I frame ACK is pending
https://bugzilla.kernel.org/show_bug.cgi?id=99301
Here's the backtrace from the recent crash that caused the system to reboot; whereas, most of the time, the system simply hangs and/or powers off.
CPU: 1 PID: 664 Comm: kworker/u17:0 Tainted: PF O-------------- 3.10.0-229.7.2.el7.x86_64 #1 [40466.385054] Hardware name: LENOVO 42762QU/42762QU, BIOS 8BET62WW (1.42 ) 07/26/2013 [40466.385077] Workqueue: hci0 hci_rx_work [bluetooth] [40466.385081] task: ffff880422bae660 ti: ffff880423ed4000 task.ti: ffff880423ed4000 [40466.385084] RIP: 0010:[] [ ] __wake_up_common+0x67/0x90 [40466.385093] RSP: 0018:ffff880423ed7b58 EFLAGS: 00010046 [40466.385096] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000057fc [40466.385098] RDX: 0000000057fc57fc RSI: 0000000000000046 RDI: 0000000000000046 [40466.385101] RBP: ffff880423ed7b90 R08: 0000000000000046 R09: 0000000000000001 [40466.385103] R10: 0000000000015ab9 R11: 0000000000015ab9 R12: ffff88035e654c08 [40466.385106] R13: dead0000001000e8 R14: 0000000000000000 R15: 0000000000000001 [40466.385109] FS: 0000000000000000(0000) GS:ffff88043dc40000(0000) knlGS:0000000000000000 [40466.385112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [40466.385114] CR2: 00007f5ce2b1c200 CR3: 000000000190a000 CR4: 00000000000427e0 [40466.385117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [40466.385120] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [40466.385121] Stack: [40466.385123] 0000000000000082 0000000000000000 ffff88035e654c00 0000000000000246 [40466.385128] 0000000000000001 0000000000000000 0000000000000000 ffff880423ed7bc8 [40466.385132] ffffffff810a2379 0000000000000000 0000000000000068 ffff880361cf5000 [40466.385137] Call Trace: [40466.385144] [ ] __wake_up+0x39/0x50 [40466.385150] [ ] sock_def_wakeup+0x30/0x40 [40466.385177] [ ] l2cap_sock_teardown_cb+0x127/0x150 [bluetooth] [40466.385201] [ ] l2cap_chan_del+0x138/0x2c0 [bluetooth] [40466.385223] [ ] l2cap_sig_channel+0xbfb/0x14f0 [bluetooth] [40466.385232] [ ] ? __switch_to+0x136/0x4a0 [40466.385253] [ ] l2cap_recv_frame+0x10b/0x840 [bluetooth] [40466.385261] [ ] ? schedule_preempt_disabled+0x29/0x70 [40466.385267] [ ] ? __mutex_lock_slowpath+0x10e/0x1c0 [40466.385288] [ ] l2cap_recv_acldata+0x2c3/0x340 [bluetooth] [40466.385305] [ ] hci_rx_work+0x1a6/0x3f0 [bluetooth] [40466.385314] [ ] process_one_work+0x17b/0x470 [40466.385321] [ ] worker_thread+0x11b/0x400 [40466.385329] [ ] ? rescuer_thread+0x400/0x400 [40466.385336] [ ] kthread+0xcf/0xe0 [40466.385342] [ ] ? kthread_create_on_node+0x140/0x140 [40466.385350] [ ] ret_from_fork+0x58/0x90 [40466.385355] [ ] ? kthread_create_on_node+0x140/0x140 [40466.385359] Code: 3b 0f 1f 00 4c 89 e8 49 89 d5 8b 18 48 8b 4d d0 44 89 f2 44 89 fe 48 89 c7 ff 50 10 85 c0 74 0b 83 e3 01 74 06 83 6d cc 01 74 11 49> 8b 45 18 48 8d 50 e8 49 8d 45 18 49 39 c4 75 c8 48 83 c4 10 [40466.385417] RIP [ ] __wake_up_common+0x67/0x90 [40466.385422] RSP
This has not been an issue for me on Fedora 18,19,20 or ArchLinux; only on RHEL7 so far. Since the next Beta version of RHEL (7.2) is supposed to have
systemd-219udev
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