WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

[Xen-users] Re: invalid opcode on Dom0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Re: invalid opcode on Dom0
From: Nephila <segnalazioni@xxxxxxxxxx>
Date: Mon, 25 Feb 2008 14:38:23 +0100
Delivery-date: Wed, 27 Feb 2008 09:36:02 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <200802250921.40465.segnalazioni@xxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <200802250921.40465.segnalazioni@xxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: KMail/1.9.7
Alle 09:21 di lunedì 25 febbraio 2008, Nephila ha scritto:
> We have a (supposedly) quite standard setup: 2 Dom0 with drbd-on-lvm and a
> bunch of DomU, on Quad Xeon Dell servers.
> We tried with both Debian sid-based and Debian etch-based (+ 3.1 xen
> hypervisor and drbd 8
> from backports.org ) Dom0, and quite consistently have "kernel: invalid
> opcode: 0000 [1] SMP" errors which freezes Dom0 (during lasts tests a
> simple start-and-stop loop of 10 DomU can trigger this error) .
> Given that everything is ok on scaled down (AMD Athlon64-based PCs) test
> setup we built to investigate these issues, i would like to know if you are
> aware of any platform specific problem bug which could generate such
> problem
>
> Thanks

I managed to get a kernel panic dump (which is at the bottom of the message).
I'll try to compile a xensource xen kernel and reproduce there.
BTW: The error below occurred on a file-only setup (no lvm or drbd)

----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at drivers/xen/core/evtchn.c:481
invalid opcode: 0000 [1] SMP
CPU 3
Modules linked in: cn netloop ipv6 button ac battery iptable_raw xt_policy 
xt_multiport ipt_ULOG ipt_TTL ipt_ttl ipt_TOS ipt_tos ipt_TCPMSS ipt_SAME 
ipt_REJECT ipt_REDIRECT ipt_recent ipt_owner ipt_NETMAP ipt_MASQUERADE 
ipt_LOG ipt_iprange ipt_hashlimit ipt_ECN ipt_ecn ipt_DSCP ipt_dscp 
ipt_CLUSTERIP ipt_ah ipt_addrtype ip_nat_tftp ip_nat_snmp_basic ip_nat_pptp 
ip_nat_irc ip_nat_ftp ip_nat_amanda ip_conntrack_tftp ip_conntrack_pptp 
ip_conntrack_netbios_ns ip_conntrack_irc ip_conntrack_ftp ts_kmp 
ip_conntrack_amanda xt_tcpmss xt_pkttype xt_physdev bridge xt_NFQUEUE xt_MARK 
xt_mark xt_mac xt_limit xt_length xt_helper xt_dccp xt_conntrack xt_CONNMARK 
xt_connmark xt_CLASSIFY xt_tcpudp xt_state iptable_nat ip_nat ip_conntrack 
iptable_mangle nfnetlink iptable_filter ip_tables x_tables xfs loop i2c_i801 
shpchp pci_hotplug evdev i2c_core serio_raw serial_core psmouse pcspkr ext3 
jbd mbcache dm_mirror dm_snapshot dm_mod sd_mod ide_cd cdrom generic mptsas 
mptscsih mptbase piix scsi_transport_sas ehci_hcd ide_core scsi_mod tg3 
uhci_hcd fan
Pid: 21, comm: xenwatch Not tainted 2.6.18-6-xen-amd64 #1
RIP: e030:[<ffffffff8035fe3c>]  [<ffffffff8035fe3c>] retrigger+0x26/0x3e
RSP: e02b:ffff8800f26ddd88  EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000008d00 RCX: ffffffffff578000
RDX: 000000000000002d RSI: ffff8800f26ddd30 RDI: 000000000000011a
RBP: ffffffff804cc180 R08: ffffffff8028dbc9 R09: ffff8800f268eac0
R10: ffff8800ef65c580 R11: ffffffff8035fe16 R12: 000000000000011a
R13: ffffffff804cc1bc R14: 0000000000000000 R15: 0000000000000009
FS:  00002aaca49b3ae0(0000) GS:ffffffff804c2180(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process xenwatch (pid: 21, threadinfo ffff8800f26dc000, task ffff8800f26c2080)
Stack:  ffffffff802a0109  ffff880082dadd00  ffff880082dadd00  0000000000000000
 ffff8800f26ddde0  000000000000040d  ffffffff8036c95f  0000000000000000
 ffffffff8036cdd5  ffff8800f26ddea4
Call Trace:
 [<ffffffff802a0109>] enable_irq+0x9d/0xbc
 [<ffffffff8036c95f>] __netif_up+0xc/0x15
 [<ffffffff8036cdd5>] netif_map+0x2a4/0x2d6
 [<ffffffff8035b1a2>] bus_for_each_dev+0x61/0x6e
 [<ffffffff80365608>] xenwatch_thread+0x0/0x145
 [<ffffffff80365608>] xenwatch_thread+0x0/0x145
 [<ffffffff8036714b>] frontend_changed+0x2ba/0x4f9
 [<ffffffff80365608>] xenwatch_thread+0x0/0x145
 [<ffffffff8028f3de>] keventd_create_kthread+0x0/0x61
 [<ffffffff80364a1c>] xenwatch_handle_callback+0x15/0x48
 [<ffffffff80365735>] xenwatch_thread+0x12d/0x145
 [<ffffffff8028f5a1>] autoremove_wake_function+0x0/0x2e
 [<ffffffff8028f3de>] keventd_create_kthread+0x0/0x61
 [<ffffffff80365608>] xenwatch_thread+0x0/0x145
 [<ffffffff802333f6>] kthread+0xd4/0x107
 [<ffffffff8025c5f8>] child_rip+0xa/0x12
 [<ffffffff8028f3de>] keventd_create_kthread+0x0/0x61
 [<ffffffff80233322>] kthread+0x0/0x107
 [<ffffffff8025c5ee>] child_rip+0x0/0x12


Code: 0f 0b 68 54 bb 41 80 c2 e1 01 f0 0f ab 91 00 08 00 00 b8 01
RIP  [<ffffffff8035fe3c>] retrigger+0x26/0x3e
 RSP <ffff8800f26ddd88>


-- 

Regards

Nephila sas
PGP key block: http://www.nephila.it/pgp

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>