Re: port-xen/47499: recent amd64 DOM0 kernel hangs at boot

[Takahiro HAYASHI <t-hash%abox3.so-net.ne.jp@localhost>]

On Thu, 24 Jan 2013 12:16:01 +0100
Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:

> On Thu, Jan 24, 2013 at 11:10:07AM +0000, Takahiro HAYASHI wrote:
> > >Description:
> >     Recent (after 2012.09.23) amd64 DOM0 kernel hangs up at boot.
> >     The kernel boots normally till registering timecounter (as I
> >     boot with -v) but stops there 60 to 120 sec. Then probes
> >     atapibus and hangs up finally.
> >     This happens every time I boot dom0 on Xen.
> >     This happens on recent (after 2012.11.23) netbsd-6 amd64 dom0 kernel
> >     too.
> 
> Do you see this with the GENERIC kernel too ?

No.
GENERIC amd64 kernel (201301211830Z) boots quickly.
(Confirmed on Athlon 4850e pc)
But I noticed "vmstat -i" reports unknown interrupts not shown
in dmesg.
The userland binaries and libraries for amd64 partition are built
on Jan 16 2013. I am not sure vmstat lies.

# dmesg | grep pin
mskc0 at pci3 dev 0 function 0, Yukon-2 EC Ultra (0x5): ioapic0 pin 16
ixpide0: using ioapic0 pin 22 for native-PCI interrupt
ohci0: interrupting at ioapic0 pin 16
ohci1: interrupting at ioapic0 pin 16
ehci0: interrupting at ioapic0 pin 17
ohci2: interrupting at ioapic0 pin 18
ohci3: interrupting at ioapic0 pin 18
ehci1: interrupting at ioapic0 pin 19
ixpide1: primary channel interrupting at ioapic0 pin 14
ixpide1: secondary channel interrupting at ioapic0 pin 15
hdaudio0: interrupting at ioapic0 pin 16
ohci4: interrupting at ioapic0 pin 18
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 21, 24 pins
mskc0 at pci3 dev 0 function 0, Yukon-2 EC Ultra (0x5): ioapic0 pin 16
pciide0: using ioapic0 pin 22 for native-PCI interrupt
ohci0: interrupting at ioapic0 pin 16
ohci1: interrupting at ioapic0 pin 16
ehci0: interrupting at ioapic0 pin 17
ohci2: interrupting at ioapic0 pin 18
ohci3: interrupting at ioapic0 pin 18
ehci1: interrupting at ioapic0 pin 19
pciide1: secondary channel interrupting at ioapic0 pin 15
ohci4: interrupting at ioapic0 pin 18
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 21, 24 pins
mskc0 at pci3 dev 0 function 0, Yukon-2 EC Ultra (0x5): ioapic0 pin 16
ixpide0: using ioapic0 pin 22 for native-PCI interrupt
ohci0: interrupting at ioapic0 pin 16
ohci1: interrupting at ioapic0 pin 16
ehci0: interrupting at ioapic0 pin 17
ohci2: interrupting at ioapic0 pin 18
ohci3: interrupting at ioapic0 pin 18
ehci1: interrupting at ioapic0 pin 19
ixpide1: primary channel interrupting at ioapic0 pin 14
ixpide1: secondary channel interrupting at ioapic0 pin 15
hdaudio0: interrupting at ioapic0 pin 16
ohci4: interrupting at ioapic0 pin 18
# dmesg | grep "pin 4"
# vmstat -i
interrupt                                     total     rate
TLB shootdown                                     8        1
cpu0 timer                                     1201      200
ioapic0 pin 16                                   28        4
ioapic0 pin 17                                    1        0
ioapic0 pin 18                                    3        0
ioapic0 pin 15                                  210       35
ioapic0 pin 4                                  1537      256
Total                                          2988      498


--
t-hash