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Date: Sat, 3 Oct 2009 13:00:03 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: Matti Aarnio <matti.aarnio@...iler.org> Cc: linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: ftrace WARNING during boot On Sat, Oct 03, 2009 at 01:53:18PM +0300, Matti Aarnio wrote: > This is perhaps already fixed, as I have two a bit newer kernels than this one, > but reporting is better than being silent.. Hi, Which kernel is this? Does it happen in the current 2.6.32-rc1 ? Thanks. > > ..................... > kernel: rtc_cmos 00:04: setting system clock to 2009-10-02 23:21:17 UTC (1254525677) > kernel: Initalizing network drop monitor service > kernel: Freeing unused kernel memory: 3196k freed > kernel: NX-protecting the kernel data: ffffffff8150e000, 4469 pages > kernel: Write protecting the kernel read-only data: 7392k > kernel: dracut: dracut-002-2.gitc53acc30.fc12 > kernel: udev: starting version 145 > kernel: usb 1-5: new high speed USB device using ehci_hcd and address 4 > kernel: ------------[ cut here ]------------ > kernel: WARNING: at kernel/trace/ftrace.c:1003 ftrace_bug+0x198/0x27e() (Not tainted) > kernel: Hardware name: System Product Name > kernel: Modules linked in: i2c_core(+) > kernel: Pid: 87, comm: modprobe Not tainted 2.6.31-33.fc12.x86_64 #1 > kernel: Call Trace: > kernel: [<ffffffff810642ec>] warn_slowpath_common+0x95/0xc3 > kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] > kernel: [<ffffffff81064341>] warn_slowpath_null+0x27/0x3d > kernel: [<ffffffff810d4ace>] ftrace_bug+0x198/0x27e > kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] > kernel: [<ffffffff810d5d26>] ftrace_convert_nops+0x201/0x2b9 > kernel: [<ffffffffa0003072>] ? i2c_new_dummy+0x8/0x5e [i2c_core] > kernel: [<ffffffff810d5e2a>] ftrace_module_notify+0x4c/0x7f > kernel: [<ffffffff81509c65>] notifier_call_chain+0x72/0xba > kernel: [<ffffffff81086e71>] ? __blocking_notifier_call_chain+0x4c/0x8e > kernel: [<ffffffff81086e88>] __blocking_notifier_call_chain+0x63/0x8e > kernel: [<ffffffff81086eda>] blocking_notifier_call_chain+0x27/0x3d > kernel: [<ffffffff810a472a>] sys_init_module+0xb7/0x249 > kernel: [<ffffffff81011f42>] system_call_fastpath+0x16/0x1b > kernel: ---[ end trace fbf9054ae0f212c7 ]--- > kernel: ftrace faulted on writing [<ffffffffa0003072>] i2c_new_dummy+0x8/0x5e [i2c_core] > kernel: usb 1-5: New USB device found, idVendor=0424, idProduct=2504 > kernel: usb 1-5: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > kernel: usb 1-5: configuration #1 chosen from 1 choice > kernel: hub 1-5:1.0: USB hub found > kernel: hub 1-5:1.0: 4 ports detected > .................. > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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