Re: HVM guests hanging in hpet_rtc_interrupt

[Olaf Hering <olaf@aepfle.de>]

On Thu, Jan 31, Olaf Hering wrote:

> On Thu, Jan 31, Ian Campbell wrote:
> 
> > On Thu, 2013-01-31 at 17:07 +0000, Olaf Hering wrote:
> > > Current xen-unstable has appearently issues with HVM guest.
> > 
> > staging or tested? which changeset?
> 
> staging, 26493:6727070b4129
> Its the first time since many weeks that I run xen-unstable again, so I
> cant tell when it started.

It works with xend for some reason, pvops dom0+domU and changeset
26502:d1bf3b21f783. What I see in guest dmesg is shown below. With xl the irq#8
message does not appear.

Olaf


...
[    0.832275] udev: starting version 147
[    1.312097] tsc: Refined TSC clocksource calibration: 2926.333 MHz
[   14.378118] udev: starting version 147
[   14.469299] input: Xen Virtual Keyboard as /devices/virtual/input/input5
[   14.469532] input: Xen Virtual Pointer as /devices/virtual/input/input6
[   14.480053] microcode: CPU0 sig=0x206c2, pf=0x1, revision=0xc
[   14.480626] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
[   14.546814] microcode: CPU1 sig=0x206c2, pf=0x1, revision=0xc
[   14.601594] NET: Registered protocol family 10
[   14.725108] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[   15.084864] Adding 331772k swap on /dev/xvda2.  Priority:-1 extents:1 across:331772k SS
[   18.810217] irq 8: nobody cared (try booting with the "irqpoll" option)
[   18.812058] Pid: 0, comm: swapper/0 Not tainted 3.7.5-9.home_olh_kernel_sles11sp1.1-kernel-linux-3_7 #1
[   18.812058] Call Trace:
[   18.812058]  <IRQ>  [<ffffffff8109ce78>] __report_bad_irq+0x38/0xe0
[   18.812058]  [<ffffffff8109d0ef>] note_interrupt+0x1cf/0x210
[   18.812058]  [<ffffffff8109aa77>] handle_irq_event_percpu+0x97/0x170
[   18.812058]  [<ffffffff8109ab8c>] handle_irq_event+0x3c/0x60
[   18.812058]  [<ffffffff8109d79d>] handle_edge_irq+0x6d/0x120
[   18.812058]  [<ffffffff8142b474>] __xen_evtchn_do_upcall+0x1a4/0x280
[   18.812058]  [<ffffffff8142ca6a>] xen_evtchn_do_upcall+0x2a/0x40
[   18.812058]  [<ffffffff81660aad>] xen_hvm_callback_vector+0x6d/0x80
[   18.812058]  <EOI>  [<ffffffff810668f3>] ? hrtimer_start+0x13/0x20
[   18.812058]  [<ffffffff810360d6>] ? native_safe_halt+0x6/0x10
[   18.812058]  [<ffffffff81569e8f>] ? cpuidle_idle_call+0x1f/0xc0
[   18.812058]  [<ffffffff81014735>] default_idle+0x45/0x50
[   18.812058]  [<ffffffff81014a68>] cpu_idle+0x88/0xd0
[   18.812058]  [<ffffffff81642428>] rest_init+0x68/0x70
[   18.812058]  [<ffffffff81c7bc8f>] start_kernel+0x2f3/0x3b4
[   18.812058]  [<ffffffff81c7b795>] ? repair_env_string+0x58/0x58
[   18.812058]  [<ffffffff81cb8c36>] ? memblock_reserve+0x2e/0x4e
[   18.812058]  [<ffffffff81c7b2d5>] x86_64_start_reservations+0xa5/0xc2
[   18.812058]  [<ffffffff81c7b401>] x86_64_start_kernel+0x10f/0x12a
[   18.812058]  [<ffffffff81c7b120>] ? early_idt_handlers+0x120/0x120
[   18.812058] handlers:
[   18.812058] [<ffffffff81550740>] cmos_interrupt
[   18.812058] Disabling IRQ #8
[   19.420384] loop: module loaded
[   19.548950] kjournald starting.  Commit interval 5 seconds
[   19.548970] EXT3-fs (xvda1): mounted filesystem with ordered data mode
[   59.305223] PM: freeze of devices complete after 2.291 msecs
[   59.305227] suspending xenstore...
[   59.305290] PM: late freeze of devices complete after 0.058 msecs
[   59.309521] PM: noirq freeze of devices complete after 4.227 msecs
[   59.312080] Xen HVM callback vector for event delivery is enabled
[   59.312080] Xen Platform PCI: I/O protocol version 1
[   59.312080] Grant tables using version 1 layout.
[   59.312080] xen: --> irq=8, pirq=16
[   59.312080] xen: --> irq=12, pirq=17
[   59.312080] xen: --> irq=1, pirq=18
[   59.312080] xen: --> irq=6, pirq=19
[   59.312080] xen: --> irq=4, pirq=20
[   59.312080] xen: --> irq=7, pirq=21
[   59.312080] xen: --> irq=28, pirq=22
[   59.313545] ata_piix 0000:00:01.1: restoring config space at offset 0x4 (was 0x2800001, writing 0x2800005)
[   59.313545] PM: noirq restore of devices complete after 7.838 msecs
[   59.313545] PM: early restore of devices complete after 0.046 msecs
[   59.319592] pci 0000:00:00.0: calling quirk_passive_release+0x0/0xa0
[   59.479464] PM: restore of devices complete after 159.921 msecs
[   59.488309] Setting capacity to 2097152
[   59.498494] Setting capacity to 2097152