[Fedora-xen] FC6-xen kernel panics (dom0) on boot after agpgart init

Adrian Chadd adrian at creative.net.au
Sun Apr 8 09:36:56 UTC 2007


On Thu, Apr 05, 2007, Daniel P. Berrange wrote:
> On Thu, Apr 05, 2007 at 06:42:24AM +0200, Frank Rosendahl wrote:
> > Did you get the same results with the kernel 2.6.19.6.5?
> > 
> > Try to use this one because it seems the 2.6.20 is allways crashing (also on 
> > my AMD 1000)
> 
> Yes, as many people have pointed out on list & bz there's been some rather
> bad instability issues with 2.6.20  based Xen. We're trying to track down
> the problems & resolve them so we can get back a stable Xen kernel again.
> If anyone captures kernel panic dumps please report in BZ so we can track
> them.

How's this? Happens at startup in dom0; can't even fire up xend.
This is on a FC5 setup.

Linux hosting-2 2.6.20-1.2307.fc5xen0 #1 SMP Sun Mar 18 21:59:42 EDT 2007 i686 athlon i386 GNU/Linux

[snip rest of stuff]
All bugs added by David S. Miller <davem at redhat.com>
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
eth1.4: add 33:33:00:00:00:01 mcast address to master interface
eth1.4: add 33:33:ff:07:91:f7 mcast address to master interface
Mobile IPv6
list_del corruption. prev->next should be c1877000, but was 00000000
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:67!
invalid opcode: 0000 [#1]
SMP 
last sysfs file: /class/xen/blktap0/dev
Modules linked in: blktap ipv6 autofs4 sunrpc 8021q nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video sbs i2c_ec dock button battery asus_acpi backlight ac lp parport_pc parport floppy ohci1394 ieee1394 ehci_hcd ohci_hcd sata_nv sata_sil libata snd_intel8x0 snd_ac97_codec scsi_mod ac97_bus snd_seq_dummy snd_seq_oss e100 e1000 snd_seq_midi_event snd_seq mii snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr forcedeth i2c_nforce2 i2c_core dm_snapshot dm_zero dm_mirror dm_mod raid1 ext3 jbd
CPU:    0
EIP:    0061:[<c10df139>]    Not tainted VLI
EFLAGS: 00010092   (2.6.20-1.2307.fc5xen0 #1)
EIP is at list_del+0x21/0x5d
eax: 00000048   ebx: c1877c94   ecx: c12b2150   edx: fbc16000
esi: c1877000   edi: c1ffb720   ebp: c1879de0   esp: f3fc3ef4
ds: 007b   es: 007b   ss: 0069
Process events/0 (pid: 5, ti=f3fc3000 task=f3fc0030 task.ti=f3fc3000)
Stack: c126e53d c1877000 00000000 c1877c94 c106043f 00000005 00000000 00000018 
       00000000 f3fe1620 f3fe1620 00000018 f3fe1600 00000000 c106054f 00000000 
       00000000 c1879de0 c1ffb744 c1ffb720 c1879de0 00000000 c17915c0 c10617b5 
Call Trace:
 [<c106043f>] free_block+0x5f/0xe5
 [<c106054f>] drain_array+0x8a/0xb5
 [<c10617b5>] cache_reap+0x61/0x124
 [<c102de72>] run_workqueue+0x85/0x125
 [<c121523a>] _spin_lock_irqsave+0x12/0x17
 [<c1061754>] cache_reap+0x0/0x124
 [<c102e7c4>] worker_thread+0xd9/0x105
 [<c101b3b6>] default_wake_function+0x0/0xc
 [<c102e6eb>] worker_thread+0x0/0x105
 [<c1030e0b>] kthread+0xb0/0xd9
 [<c1030d5b>] kthread+0x0/0xd9
 [<c1005113>] kernel_thread_helper+0x7/0x10
 =======================
Code: 63 00 00 00 89 c3 eb e8 90 90 53 83 ec 0c 8b 48 04 8b 11 39 c2 74 18 89 54 24 08 89 44 24 04 c7 04 24 3d e5 26 c1 e8 0b 15 f4 ff <0f> 0b eb fe 8b 10 8b 5a 04 39 c3 74 18 89 5c 24 08 89 44 24 04 
EIP: [<c10df139>] list_del+0x21/0x5d SS:ESP 0069:f3fc3ef4
 <7>eth1.4: no IPv6 routers present
eth0: no IPv6 routers present
eth1: no IPv6 routers present
[root at hosting-2 ~]# dmesg | less

list_del corruption. prev->next should be c1877000, but was 00000000
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:67!
invalid opcode: 0000 [#1]
SMP 
last sysfs file: /class/xen/blktap0/dev
Modules linked in: blktap ipv6 autofs4 sunrpc 8021q nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4
 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video sbs i2c_ec dock butto
n battery asus_acpi backlight ac lp parport_pc parport floppy ohci1394 ieee1394 ehci_hcd ohci_hcd sata_n
v sata_sil libata snd_intel8x0 snd_ac97_codec scsi_mod ac97_bus snd_seq_dummy snd_seq_oss e100 e1000 snd
_seq_midi_event snd_seq mii snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd
_page_alloc pcspkr forcedeth i2c_nforce2 i2c_core dm_snapshot dm_zero dm_mirror dm_mod raid1 ext3 jbd
CPU:    0
EIP:    0061:[<c10df139>]    Not tainted VLI
EFLAGS: 00010092   (2.6.20-1.2307.fc5xen0 #1)
EIP is at list_del+0x21/0x5d
eax: 00000048   ebx: c1877c94   ecx: c12b2150   edx: fbc16000
esi: c1877000   edi: c1ffb720   ebp: c1879de0   esp: f3fc3ef4
ds: 007b   es: 007b   ss: 0069
Process events/0 (pid: 5, ti=f3fc3000 task=f3fc0030 task.ti=f3fc3000)
Stack: c126e53d c1877000 00000000 c1877c94 c106043f 00000005 00000000 00000018 
       00000000 f3fe1620 f3fe1620 00000018 f3fe1600 00000000 c106054f 00000000 
       00000000 c1879de0 c1ffb744 c1ffb720 c1879de0 00000000 c17915c0 c10617b5 
Call Trace:
 [<c106043f>] free_block+0x5f/0xe5
 [<c106054f>] drain_array+0x8a/0xb5
 [<c10617b5>] cache_reap+0x61/0x124
 [<c102de72>] run_workqueue+0x85/0x125
 [<c121523a>] _spin_lock_irqsave+0x12/0x17
 [<c1061754>] cache_reap+0x0/0x124
 [<c102e7c4>] worker_thread+0xd9/0x105
 [<c101b3b6>] default_wake_function+0x0/0xc
 [<c102e6eb>] worker_thread+0x0/0x105
 [<c1030e0b>] kthread+0xb0/0xd9
 [<c1030d5b>] kthread+0x0/0xd9
 [<c1005113>] kernel_thread_helper+0x7/0x10
 =======================
Code: 63 00 00 00 89 c3 eb e8 90 90 53 83 ec 0c 8b 48 04 8b 11 39 c2 74 18 89 54 24 08 89 44 24 04 c7 04
 24 3d e5 26 c1 e8 0b 15 f4 ff <0f> 0b eb fe 8b 10 8b 5a 04 39 c3 74 18 89 5c 24 08 89 44 24 04 
EIP: [<c10df139>] list_del+0x21/0x5d SS:ESP 0069:f3fc3ef4




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