On Mon, Oct 31, 2011 at 09:29:24PM +0200, Pasi Kärkkäinen wrote:
> On Mon, Oct 31, 2011 at 12:24:14PM -0700, Boris Derzhavets wrote:
> >    Seems to related
> > 
> >    https://bugs.launchpad.net/ubuntu/+source/xen/+bug/854829
> > 
> 
> Thanks, that seems to be the same bug.
> 
> Is the bugfix patch from xen-unstable going to backported to 
> xen-4.1-testing.hg ? 
> (4.1 backported patch available on ubuntu's launchpad above..)
> 

So the Ubuntu backport from xen-unstable to Xen 4.1.1 is here:
https://launchpadlibrarian.net/81948978/xen-pirq-resubmit-irq.patch

It seems to be shipping in Ubuntu 11.10 xen 4.1.1-2ubuntu4.1 packages.

Does that patch look suitable to be applied to xen-4.1-testing.hg ? 
This bug should be fixed for Xen 4.1.3.
 
-- Pasi


> 
> 
> >    Boris.
> > 
> >    --- On Mon, 10/31/11, Pasi Kärkkäinen <pa...@iki.fi> wrote:
> > 
> >      From: Pasi Kärkkäinen <pa...@iki.fi>
> >      Subject: [Xen-devel] Xen 4.1.2 HVM guest realtek nic problems (eth0
> >      8139cp transmit queue timed out)
> >      To: xen-de...@lists.xensource.com
> >      Date: Monday, October 31, 2011, 2:49 PM
> > 
> >      Hello,
> > 
> >      While testing Xen 4.1.2 and HVM guests I noticed the following problem
> >      with Fedora 16 HVM guests (using Linux 3.1.0 kernel in the VM):
> > 
> >      The errors (call trace) happens pretty much immediately when there's
> >      some network traffic going on..
> > 
> >      Simple "yum update" in the VM triggers the problem..
> > 
> >      [    0.000000] Linux version 3.1.0-5.fc16.x86_64
> >      ([1]mockbu...@x86-10.phx2.fedoraproject.org) (gcc version 4.6.1 
> > 20111003
> >      (Red Hat 4.6.1-10) (GCC) ) #1 SMP Thu Oct 27 03:46:50 UTC 2011
> >      [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.1.0-5.fc16.x86_64
> >      root=/dev/mapper/vg_f16test64hvm-lv_root ro
> >      rd.lvm.lv=vg_f16test64hvm/lv_root rd.dm=0 SYSFONT=latarcyrheb-sun16 
> > rhgb
> >      KEYTABLE=fi rd.md=0 rd.luks=0 rd.lvm.lv=vg_f16test64hvm/lv_swap
> >      LANG=en_US.UTF-8 console=ttyS0,38400 console=tty0
> >      <snip>
> > 
> >      [   28.998481] 8139cp 0000:00:03.0: eth0: link up, 100Mbps, 
> > full-duplex,
> >      lpa 0x05E1
> >      [  149.712071] ------------[ cut here ]------------
> >      [  149.717216] WARNING: at net/sched/sch_generic.c:255
> >      dev_watchdog+0xf0/0x150()
> >      [  149.724709] Hardware name: HVM domU
> >      [  149.728738] NETDEV WATCHDOG: eth0 (8139cp): transmit queue 0 timed
> >      out
> >      [  149.735537] Modules linked in: ip6t_REJECT nf_conntrack_ipv6
> >      nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 ip6table_filter 
> > xt_state
> >      ip6_tables nf_conntrack 81
> >      39too 8139cp ppdev parport_pc mii parport i2c_piix4 i2c_core joydev
> >      [last unloaded: scsi_wait_scan]
> >      [  149.768028] Pid: 0, comm: swapper Not tainted 3.1.0-5.fc16.x86_64 #1
> >      [  149.774639] Call Trace:
> >      [  149.777765]  <IRQ>  [<ffffffff81057a56>]
> >      warn_slowpath_common+0x83/0x9b
> >      [  149.784024]  [<ffffffff81057b11>] warn_slowpath_fmt+0x46/0x48
> >      [  149.790141]  [<ffffffff813ef49d>] ? netif_tx_lock+0x4a/0x7c
> >      [  149.799007]  [<ffffffff813ef613>] dev_watchdog+0xf0/0x150
> >      [  149.806361]  [<ffffffff81064b51>] run_timer_softirq+0x19b/0x280
> >      [  149.814392]  [<ffffffff81014fec>] ? sched_clock+0x9/0xd
> >      [  149.821650]  [<ffffffff813ef523>] ? netif_tx_unlock+0x54/0x54
> >      [  149.828926]  [<ffffffff8105d6b3>] __do_softirq+0xc9/0x1b5
> >      [  149.836803]  [<ffffffff81014fec>] ? sched_clock+0x9/0xd
> >      [  149.843422]  [<ffffffff814be5ec>] call_softirq+0x1c/0x30
> >      [  149.850067]  [<ffffffff81010b45>] do_softirq+0x46/0x81
> >      [  149.856760]  [<ffffffff8105d97b>] irq_exit+0x57/0xb1
> >      [  149.863035]  [<ffffffff812a39d3>] xen_evtchn_do_upcall+0x31/0x3e
> >      [  149.871144]  [<ffffffff814be76e>] xen_hvm_callback_vector+0x6e/0x80
> >      [  149.879494]  <EOI>  [<ffffffff8102f2f1>] ? native_safe_halt+0xb/0xd
> >      [  149.888220]  [<ffffffff81015b7e>] default_idle+0x4e/0x86
> >      [  149.894962]  [<ffffffff8100e2ed>] cpu_idle+0xae/0xe8
> >      [  149.901461]  [<ffffffff814934ee>] rest_init+0x72/0x74
> >      [  149.908949]  [<ffffffff81b76b7d>] start_kernel+0x3ab/0x3b6
> >      [  149.916617]  [<ffffffff81b762c4>] 
> > x86_64_start_reservations+0xaf/0xb3
> >      [  149.929148]  [<ffffffff81b76140>] ? early_idt_handlers+0x140/0x140
> >      [  149.936797]  [<ffffffff81b763ca>] x86_64_start_kernel+0x102/0x111
> >      [  149.944336] ---[ end trace d8786cb7d6a57f8a ]---
> >      [  149.950406] 8139cp 0000:00:03.0: eth0: Transmit timeout, status
> >      d   3b   15 80ff
> >      [  149.961879] ------------[ cut here ]------------
> >      [  149.962245] WARNING: at kernel/softirq.c:159
> >      _local_bh_enable_ip+0x44/0x8e()
> >      [  149.962245] Hardware name: HVM domU
> >      [  149.962245] Modules linked in: ip6t_REJECT nf_conntrack_ipv6
> >      nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 ip6table_filter 
> > xt_state
> >      ip6_tables nf_conntrack 8139too 8139cp ppdev parport_pc mii parport
> >      i2c_piix4 i2c_core joydev [last unloaded: scsi_wait_scan]
> >      [  149.962245] Pid: 0, comm: swapper Tainted: G
> >      W   3.1.0-5.fc16.x86_64 #1
> >      [  149.962245] Call Trace:
> >      [  149.962245]  <IRQ>  [<ffffffff81057a56>]
> >      warn_slowpath_common+0x83/0x9b
> >      [  149.962245]  [<ffffffff813ce599>] ? skb_release_data+0xca/0xcf
> >      [  149.962245]  [<ffffffff81057a88>] warn_slowpath_null+0x1a/0x1c
> >      [  149.962245]  [<ffffffff8105d462>] _local_bh_enable_ip+0x44/0x8e
> >      [  149.962245]  [<ffffffff8105d4ba>] local_bh_enable_ip+0xe/0x10
> >      [  149.962245]  [<ffffffff814b5db4>] _raw_spin_unlock_bh+0x15/0x17
> >      [  149.962245]  [<ffffffffa0053969>] destroy_conntrack+0x9d/0xdc
> >      [nf_conntrack]
> >      [  149.962245]  [<ffffffff813fa343>] nf_conntrack_destroy+0x19/0x1b
> >      [  149.962245]  [<ffffffff813ce7ad>] skb_release_head_state+0xa7/0xef
> >      [  149.962245]  [<ffffffff813ce5b1>] __kfree_skb+0x13/0x83
> >      [  149.962245]  [<ffffffff813ce677>] consume_skb+0x56/0x6b
> >      [  149.962245]  [<ffffffffa003c1b9>] cp_clean_rings+0xb4/0x114 [8139cp]
> >      [  149.962245]  [<ffffffffa003c371>] cp_tx_timeout+0x88/0x10e [8139cp]
> >      [  149.962245]  [<ffffffff813ef627>] dev_watchdog+0x104/0x150
> >      [  149.962245]  [<ffffffff81064b51>] run_timer_softirq+0x19b/0x280
> >      [  149.962245]  [<ffffffff81014fec>] ? sched_clock+0x9/0xd
> >      [  149.962245]  [<ffffffff813ef523>] ? netif_tx_unlock+0x54/0x54
> >      [  149.962245]  [<ffffffff8105d6b3>] __do_softirq+0xc9/0x1b5
> >      [  149.962245]  [<ffffffff81014fec>] ? sched_clock+0x9/0xd
> >      [  149.962245]  [<ffffffff814be5ec>] call_softirq+0x1c/0x30
> >      [  149.962245]  [<ffffffff81010b45>] do_softirq+0x46/0x81
> >      [  149.962245]  [<ffffffff8105d97b>] irq_exit+0x57/0xb1
> >      [  149.962245]  [<ffffffff812a39d3>] xen_evtchn_do_upcall+0x31/0x3e
> >      [  149.962245]  [<ffffffff814be76e>] xen_hvm_callback_vector+0x6e/0x80
> >      [  149.962245]  <EOI>  [<ffffffff8102f2f1>] ? native_safe_halt+0xb/0xd
> >      [  149.962245]  [<ffffffff81015b7e>] default_idle+0x4e/0x86
> >      [  149.962245]  [<ffffffff8100e2ed>] cpu_idle+0xae/0xe8
> >      [  149.962245]  [<ffffffff814934ee>] rest_init+0x72/0x74
> >      [  149.962245]  [<ffffffff81b76b7d>] start_kernel+0x3ab/0x3b6
> >      [  149.962245]  [<ffffffff81b762c4>] 
> > x86_64_start_reservations+0xaf/0xb3
> >      [  149.962245]  [<ffffffff81b76140>] ? early_idt_handlers+0x140/0x140
> >      [  149.962245]  [<ffffffff81b763ca>] x86_64_start_kernel+0x102/0x111
> >      [  149.962245] ---[ end trace d8786cb7d6a57f8b ]---
> > 
> >      Full guest kernel dmesg attached to this email.
> >      The host is running F16 with Xen 4.1.2 and Linux 3.1.0 dom0 kernel.
> > 
> >      Xen cfgfile for the HVM domain:
> > 
> >      kernel = "hvmloader"
> >      builder='hvm'
> >      device_model = 'qemu-dm'
> >      name = "f16test64hvm"
> >      memory = 1024
> >      vcpus=1
> >      pae=1
> >      acpi=1
> >      apic=1
> >      vif = [ 'type=ioemu, mac=00:16:3f:03:01:14, bridge=virbr0' ]
> >      disk = [ 'phy:/dev/vg_f16/f16test64hvm,hda,w',
> >      'file:/root/iso/Fedora-16-Final-RC2-x86_64-DVD.iso,hdc:cdrom,r' ]
> >      boot='cd'
> >      xen_platform_pci=0
> >      on_poweroff = 'destroy'
> >      on_reboot   = 'restart'
> >      on_crash    = 'restart'
> >      sdl=0
> >      vnc=1
> >      vncpasswd=''
> >      stdvga=0
> >      serial='pty'
> >      tsc_mode=0
> >      usb=1
> >      usbdevice='tablet'
> >      keymap='fi'
> > 
> >      Using "model=e1000" instead for the vif works OK.. no problems with the
> >      emulated intel nic.
> > 
> >      Any ideas what the problem with the emulated realtek nic?
> > 
> >      Thanks,
> > 
> >      -- Pasi
> > 
> >      -----Inline Attachment Follows-----
> > 
> >      _______________________________________________
> >      Xen-devel mailing list
> >      [2]xen-de...@lists.xensource.com
> >      [3]http://lists.xensource.com/xen-devel
> > 
> > References
> > 
> >    Visible links
> >    1. file:///mc/compose?to=mockbu...@x86-10.phx2.fedoraproject.org
> >    2. file:///mc/compose?to=xen-de...@lists.xensource.com
> >    3. http://lists.xensource.com/xen-devel
> 
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