Xen project Mailing List

Re: [Xen-devel] Re: 2.6.39 dom0 xen power management test

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>

Date: Mon, 23 May 2011 15:03:58 +0200

Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Yu Ke <ke.yu@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Delivery-date: Mon, 23 May 2011 06:06:43 -0700

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Monday, May 23, 2011, 1:17:07 PM, you wrote: > On Sat, 21 May 2011, Sander Eikelenboom wrote: >> Hi Konrad, >> >> First tests looked good, but tonight after approx. 2 hours after boot the >> machine crashed. >> Since my previous setup ran perfectly stable for 55 days, i didn't have a >> serial console attached. >> I shot a photo of what was left onscreen (attached), will attach a serial >> console later to get it all. >> > does this patch help? Nope it doesn't, right after boot i'm getting: May 23 15:01:02 serveerstertje kernel: [ 361.274781] INFO: task xm:6252 blocked for more than 120 seconds. May 23 15:01:02 serveerstertje kernel: [ 361.275784] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. May 23 15:01:02 serveerstertje kernel: [ 361.277026] xm D ffff88002fdd7400 0 6252 6242 0x00000000 May 23 15:01:02 serveerstertje kernel: [ 361.278260] ffff8800247c3d58 0000000000000286 000000000000bdb1 0000000000000000 May 23 15:01:02 serveerstertje kernel: [ 361.278701] ffff88002837d580 0000000000013400 ffff8800247c3fd8 ffff8800247c2010 May 23 15:01:02 serveerstertje kernel: [ 361.278701] ffff8800247c3fd8 0000000000013400 ffffffff81fe7020 ffff88002837d580 May 23 15:01:02 serveerstertje kernel: [ 361.278701] Call Trace: May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81047323>] ? xen_write_msr_safe+0xa3/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8104edaa>] ? __switch_to+0x18a/0x3d0 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8108fdab>] ? finish_task_switch+0x5b/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a8860d>] ? schedule+0x44d/0xae0 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8104c21d>] ? xen_force_evtchn_callback+0xd/0x10 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8104c9d2>] ? check_events+0x12/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a89445>] schedule_timeout+0x1e5/0x2b0 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a8ae30>] ? _raw_spin_unlock_irqrestore+0x30/0x70 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8108f685>] ? try_to_wake_up+0xc5/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a8905e>] wait_for_common+0xde/0x190 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff8108f9e0>] ? try_to_wake_up+0x420/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a891ed>] wait_for_completion+0x1d/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff810b31c0>] flush_work+0x30/0x40 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff810b1b60>] ? do_work_for_cpu+0x30/0x30 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff810b4803>] schedule_on_each_cpu+0xc3/0x100 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff811258d5>] lru_add_drain_all+0x15/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81141015>] sys_mlock+0x45/0x130 May 23 15:01:02 serveerstertje kernel: [ 361.278701] [<ffffffff81a8bcc2>] system_call_fastpath+0x16/0x1b May 23 15:01:02 serveerstertje kernel: [ 361.278701] INFO: task xm:6278 blocked for more than 120 seconds. May 23 15:01:02 serveerstertje kernel: [ 361.278701] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. May 23 15:01:02 serveerstertje kernel: [ 361.278701] xm D ffff88002fdd7400 0 6278 6268 0x00000000 May 23 15:01:02 serveerstertje kernel: [ 361.278701] ffff8800258b1d58 0000000000000286 000000000000b8df 0000000000000000 May 23 15:01:02 serveerstertje kernel: [ 361.278701] ffff88002837f200 0000000000013400 ffff8800258b1fd8 ffff8800258b0010 May 23 15:01:02 serveerstertje kernel: [ 361.309209] ffff8800258b1fd8 0000000000013400 ffffffff81fe7020 ffff88002837f200 May 23 15:01:02 serveerstertje kernel: [ 361.309209] Call Trace: May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81047323>] ? xen_write_msr_safe+0xa3/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104edaa>] ? __switch_to+0x18a/0x3d0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108fdab>] ? finish_task_switch+0x5b/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8860d>] ? schedule+0x44d/0xae0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104c21d>] ? xen_force_evtchn_callback+0xd/0x10 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104c9d2>] ? check_events+0x12/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a89445>] schedule_timeout+0x1e5/0x2b0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8ae30>] ? _raw_spin_unlock_irqrestore+0x30/0x70 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108f685>] ? try_to_wake_up+0xc5/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8905e>] wait_for_common+0xde/0x190 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108f9e0>] ? try_to_wake_up+0x420/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a891ed>] wait_for_completion+0x1d/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b31c0>] flush_work+0x30/0x40 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b1b60>] ? do_work_for_cpu+0x30/0x30 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b4803>] schedule_on_each_cpu+0xc3/0x100 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff811258d5>] lru_add_drain_all+0x15/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81141015>] sys_mlock+0x45/0x130 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8bcc2>] system_call_fastpath+0x16/0x1b May 23 15:01:02 serveerstertje kernel: [ 361.309209] INFO: task xentop:6287 blocked for more than 120 seconds. May 23 15:01:02 serveerstertje kernel: [ 361.309209] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. May 23 15:01:02 serveerstertje kernel: [ 361.309209] xentop D ffff88002fdd7400 0 6287 1 0x00000004 May 23 15:01:02 serveerstertje kernel: [ 361.309209] ffff880025d1dd58 0000000000000282 0000000000000000 0000000000000000 May 23 15:01:02 serveerstertje kernel: [ 361.309209] ffff880029d65580 0000000000013400 ffff880025d1dfd8 ffff880025d1c010 May 23 15:01:02 serveerstertje kernel: [ 361.309209] ffff880025d1dfd8 0000000000013400 ffffffff81fe7020 ffff880029d65580 May 23 15:01:02 serveerstertje kernel: [ 361.309209] Call Trace: May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81047323>] ? xen_write_msr_safe+0xa3/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104edaa>] ? __switch_to+0x18a/0x3d0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108fdab>] ? finish_task_switch+0x5b/0xe0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8860d>] ? schedule+0x44d/0xae0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104c21d>] ? xen_force_evtchn_callback+0xd/0x10 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8104c9d2>] ? check_events+0x12/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a89445>] schedule_timeout+0x1e5/0x2b0 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8ae30>] ? _raw_spin_unlock_irqrestore+0x30/0x70 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108f685>] ? try_to_wake_up+0xc5/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8905e>] wait_for_common+0xde/0x190 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff8108f9e0>] ? try_to_wake_up+0x420/0x420 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a891ed>] wait_for_completion+0x1d/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b31c0>] flush_work+0x30/0x40 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b1b60>] ? do_work_for_cpu+0x30/0x30 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff810b4803>] schedule_on_each_cpu+0xc3/0x100 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff811258d5>] lru_add_drain_all+0x15/0x20 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81141015>] sys_mlock+0x45/0x130 May 23 15:01:02 serveerstertje kernel: [ 361.309209] [<ffffffff81a8bcc2>] system_call_fastpath+0x16/0x1b > diff --git a/drivers/xen/events.c b/drivers/xen/events.c > index 7f676f8..9249ed7 100644 > --- a/drivers/xen/events.c > +++ b/drivers/xen/events.c > @@ -1644,7 +1644,7 @@ static struct irq_chip xen_percpu_chip __read_mostly = { > .irq_mask = evtchn_noop, > .irq_unmask = evtchn_noop, > > - .irq_ack = ack_dynirq, > + .irq_eoi = ack_dynirq, > }; > > int xen_set_callback_via(uint64_t via) -- Best regards, Sander mailto:linux@xxxxxxxxxxxxxx _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

©2013 Xen Project, A Linux Foundation Collaborative Project. All Rights Reserved.
Linux Foundation is a registered trademark of The Linux Foundation.
Xen Project is a trademark of The Linux Foundation.