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Date: Wed, 27 Jun 2012 13:41:25 +0200 From: Thomas Sattler <sattler@....uni-frankfurt.de> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> CC: Ingo Molnar <mingo@...hat.com>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: BUG: scheduling while atomic: chcpu/6197/0x00000002 Linux dragon 3.4.4-rt13 #2 SMP PREEMPT Tue Jun 26 12:22:23 CEST 2012 i686 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz GenuineIntel GNU/Linux still BUG message in dmesg: [ 105.585086] BUG: scheduling while atomic: chcpu/2817/0x00000002 [ 105.585090] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid uhci_hcd ehci_hcd 3c59x usbcore e1000e mii usb_common sg [ 105.585109] Pid: 2817, comm: chcpu Not tainted 3.4.4-rt13 #2 [ 105.585111] Call Trace: [ 105.585119] [<c103df4d>] __schedule_bug+0x3d/0x42 [ 105.585124] [<c1355474>] __schedule+0x68/0x571 [ 105.585130] [<c1045840>] ? enqueue_entity+0x313/0x3d8 [ 105.585134] [<c1355a22>] schedule+0x60/0x70 [ 105.585138] [<c1354a42>] schedule_timeout+0x17/0x160 [ 105.585142] [<c103ed57>] ? check_preempt_curr+0x29/0x64 [ 105.585146] [<c135532d>] wait_for_common+0xa3/0xff [ 105.585150] [<c10412e2>] ? try_to_wake_up+0x391/0x391 [ 105.585154] [<c135540a>] wait_for_completion+0x12/0x14 [ 105.585158] [<c103781c>] kthread_create_on_node+0x71/0xb5 [ 105.585162] [<c102542c>] ? put_online_cpus+0x44/0x44 [ 105.585167] [<c1350101>] ? init_amd+0x42f/0x64f [ 105.585172] [<c134727f>] _cpu_down+0x106/0x2b4 [ 105.585176] [<c102542c>] ? put_online_cpus+0x44/0x44 [ 105.585180] [<c1347452>] cpu_down+0x25/0x34 [ 105.585183] [<c1348a96>] store_online+0x29/0x70 [ 105.585187] [<c1348a6d>] ? acpi_processor_start+0xf7/0xf7 [ 105.585192] [<c127b0ef>] dev_attr_store+0x1b/0x23 [ 105.585197] [<c10eb73e>] sysfs_write_file+0xae/0xe7 [ 105.585201] [<c10ab9b6>] vfs_write+0x8c/0x122 [ 105.585205] [<c10eb690>] ? sysfs_poll+0x77/0x77 [ 105.585209] [<c10abc07>] sys_write+0x3b/0x60 [ 105.585214] [<c1357963>] sysenter_do_call+0x12/0x2c [ 105.585242] BUG: scheduling while atomic: chcpu/2817/0x00000002 [ 105.585244] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid uhci_hcd ehci_hcd 3c59x usbcore e1000e mii usb_common sg [ 105.585260] Pid: 2817, comm: chcpu Not tainted 3.4.4-rt13 #2 [ 105.585262] Call Trace: [ 105.585266] [<c103df4d>] __schedule_bug+0x3d/0x42 [ 105.585270] [<c1355474>] __schedule+0x68/0x571 [ 105.585275] [<c1356ba1>] ? _raw_spin_unlock_irqrestore+0x1a/0x2f [ 105.585279] [<c103a992>] ? __hrtimer_start_range_ns+0x2cf/0x2f6 [ 105.585283] [<c1355a22>] schedule+0x60/0x70 [ 105.585287] [<c1354f2a>] schedule_hrtimeout_range_clock+0xc5/0xec [ 105.585291] [<c103a202>] ? update_rmtp+0x68/0x68 [ 105.585295] [<c1354f5b>] schedule_hrtimeout_range+0xa/0xc [ 105.585299] [<c1354f69>] schedule_hrtimeout+0xc/0xe [ 105.585303] [<c103f197>] wait_task_inactive+0xc5/0xd6 [ 105.585307] [<c1037773>] kthread_bind+0x13/0x4b [ 105.585312] [<c134729a>] _cpu_down+0x121/0x2b4 [ 105.585316] [<c1347452>] cpu_down+0x25/0x34 [ 105.585319] [<c1348a96>] store_online+0x29/0x70 [ 105.585323] [<c1348a6d>] ? acpi_processor_start+0xf7/0xf7 [ 105.585327] [<c127b0ef>] dev_attr_store+0x1b/0x23 [ 105.585331] [<c10eb73e>] sysfs_write_file+0xae/0xe7 [ 105.585335] [<c10ab9b6>] vfs_write+0x8c/0x122 [ 105.585339] [<c10eb690>] ? sysfs_poll+0x77/0x77 [ 105.585342] [<c10abc07>] sys_write+0x3b/0x60 [ 105.585347] [<c1357963>] sysenter_do_call+0x12/0x2c [...] -- 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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