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

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

The following reply was made to PR port-xen/47499; it has been noted by GNATS.

From: Takahiro HAYASHI <t-hash%abox3.so-net.ne.jp@localhost>
To: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-xen-maintainer%NetBSD.org@localhost,
        gnats-admin%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost
Subject: Re: port-xen/47499: recent amd64 DOM0 kernel hangs at boot
Date: Thu, 24 Jan 2013 21:07:55 +0900

 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
 
 
 --
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