Hi Sander, > This 3.13 merge window seems to have introduced the following bluetooth regression for me: > > [ 62.040810] BUG: unable to handle kernel paging request at 00000015832a8e23 > [ 62.049196] IP: [<ffffffff81a57c30>] rfcomm_sock_getsockopt+0x140/0x240 > [ 62.057800] PGD 0 > [ 62.064574] Oops: 0000 [#1] PREEMPT SMP > [ 62.070653] Modules linked in: > [ 62.076596] CPU: 4 PID: 5575 Comm: bluetoothd Not tainted 3.12.0-mw-20131117+ #1 > [ 62.082708] Hardware name: MSI MS-7640/890FXA-GD70 (MS-7640) , BIOS V1.8B1 09/13/2010 > [ 62.088827] task: ffff88005863a180 ti: ffff880057688000 task.ti: ffff880057688000 > [ 62.095020] RIP: e030:[<ffffffff81a57c30>] [<ffffffff81a57c30>] rfcomm_sock_getsockopt+0x140/0x240 > [ 62.101372] RSP: e02b:ffff880057689ec8 EFLAGS: 00010246 > [ 62.107668] RAX: 00000015832a8e23 RBX: 0000000000000003 RCX: 00007fff610ca0e8 > [ 62.113957] RDX: 0000000000000003 RSI: 0000000000000012 RDI: ffff8800572a9e00 > [ 62.120174] RBP: ffff880057689f18 R08: 00007fff610ca0ec R09: 00007fff610ca360 > [ 62.126481] R10: 00007fff610ca0e8 R11: 0000000000000202 R12: ffff8800569c3000 > [ 62.132872] R13: 00007fff610ca0e8 R14: 0000000000000000 R15: 00007fff610ca0ec > [ 62.139187] FS: 00007f0d0b348720(0000) GS:ffff88005f700000(0000) knlGS:0000000000000000 > [ 62.145551] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 62.151919] CR2: 00000015832a8e23 CR3: 0000000056f53000 CR4: 0000000000000660 > [ 62.158338] Stack: > [ 62.164798] ffff880057689f18 ffffffff81a5799f 0015832a8e23001f ffff880057689f40 > [ 62.171410] ffff880057689f44 ffff8800572a9e00 0000000000000012 0000000000000003 > [ 62.178096] 0000000000000000 00007fff610ca0e8 ffff880057689f78 ffffffff81905bc2 > [ 62.184781] Call Trace: > [ 62.191344] [<ffffffff81a5799f>] ? rfcomm_sock_setsockopt+0x5f/0x1b0 > [ 62.197978] [<ffffffff81905bc2>] SyS_getsockopt+0x62/0xb0 > [ 62.204645] [<ffffffff81a8aa79>] system_call_fastpath+0x16/0x1b > [ 62.211366] Code: 84 24 40 04 00 00 4c 89 e9 83 e0 01 e8 ea 0a 9d ff 85 c0 75 b5 45 31 f6 e9 42 ff ff ff 66 0f 1f 44 00 00 49 8b 84 24 50 04 00 00 <48> 8b 00 48 89 45 b8 e8 04 e7 6f ff 4c 89 f8 e8 2c fa 9c ff 85 > [ 62.225815] RIP [<ffffffff81a57c30>] rfcomm_sock_getsockopt+0x140/0x240 > [ 62.232986] RSP <ffff880057689ec8> > [ 62.240128] CR2: 00000015832a8e23 > [ 62.247221] ---[ end trace 88f75f0c791ac25b ]--- > > My bluetooth device is USB stick: > Bus 004 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) I assume this is the same one we already fixed. Patch is on its way into Linus’ tree. You can check bluetooth.git tree since that has this patch included. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
