On Fri, 2013-07-05 at 10:26 -0400, Dave Jones wrote: > WARNING: at kernel/trace/ftrace.c:1605 > __ftrace_hash_rec_update.part.37+0x20a/0x240() > Modules linked in: sctp libcrc32c snd_seq_dummy fuse tun rfcomm bnep > scsi_transport_iscsi hidp nfnetlink can_bcm irda caif_socket nfc caif netrom > crc_ccitt rose x25 appletalk ipt_ULOG rds bluetooth can_raw ipx phonet can > rfkill af_802154 pppoe pppox p8023 llc2 af_key ppp_generic psnap p8022 atm > llc slhc ax25 af_rxrpc snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_intel > snd_hda_codec snd_hwdep snd_seq pcspkr snd_seq_device snd_pcm e1000e > snd_page_alloc snd_timer snd ptp soundcore pps_core > CPU: 1 PID: 15820 Comm: trinity-child2 Not tainted 3.10.0+ #21 > ffffffff81a1f20b ffff8801be9dfc60 ffffffff816f2120 0000000000000000 > ffff8801be9dfc98 ffffffff8104ca81 0000000000000000 0000000000000001 > ffff8801be424000 0000000000000000 ffff88022bd25518 ffff8801be9dfca8 > Call Trace: > [<ffffffff816f2120>] dump_stack+0x4e/0x82 > [<ffffffff8104ca81>] warn_slowpath_common+0x61/0x80 > [<ffffffff8104cb5a>] warn_slowpath_null+0x1a/0x20 > [<ffffffff8111489a>] __ftrace_hash_rec_update.part.37+0x20a/0x240 > [<ffffffff811168a8>] ftrace_shutdown+0xb8/0x170 > [<ffffffff81116d40>] unregister_ftrace_function+0x30/0x50 > [<ffffffff81134487>] perf_ftrace_event_register+0x87/0x130 > [<ffffffff811342ec>] perf_trace_destroy+0x2c/0x50 > [<ffffffff8113caf9>] tp_perf_event_destroy+0x9/0x10 > [<ffffffff8113f0f7>] free_event+0xa7/0x310 > [<ffffffff8113f3c4>] perf_event_release_kernel+0x64/0x90 > [<ffffffff8113f830>] put_event+0x120/0x1b0 > [<ffffffff8113f740>] ? put_event+0x30/0x1b0 > [<ffffffff8113f8d0>] perf_release+0x10/0x20 > [<ffffffff811b7d15>] __fput+0xf5/0x2d0 > [<ffffffff811b7fae>] ____fput+0xe/0x10 > [<ffffffff8107798c>] task_work_run+0xac/0xe0 > [<ffffffff81051d27>] do_exit+0x2c7/0xcd0 > [<ffffffff81704b00>] ? ftrace_call+0x5/0x2f > [<ffffffff81053afc>] do_group_exit+0x4c/0xc0 > [<ffffffff81053b84>] SyS_exit_group+0x14/0x20 > [<ffffffff817050d4>] tracesys+0xdd/0xe2 > ---[ end trace df06ab36fcd44d8b ]--- > > > 1605 if (FTRACE_WARN_ON((rec->flags & > ~FTRACE_FL_MASK) == 0)) > 1606 return; >
Can you find an easy reproducer for this? -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/