On Wed, 2012-06-27 at 14:26 +0200, richard -rw- weinberger wrote: > [ 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 I believe CPU hotplug is still an issue with -rt, and this is a known problem. -- Steve > [ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
