[Fedora-xen] HP Proliant DL380 issue

[Alex Barger]

I have bee using Xen for a few months now on different systems. Kernel
2.6.15 with xen-3.0.1-4 has been stable for me on a few test machines and a
Dell Power Edge server. Today I installed FC5+xen on one of our beefier
machines the Proliant G3 DL380, dual Xeon 3ghz with 2GB ram. I keep having
kernel crashes with the following error below... any tips or advice would be
greatly apretiated. I tried kernel 2.6.20xxx and had kernel crashes with
that version as well. This machine has been running fine on CentOS 4.3 for
severval months.

Installed versions:
xen-3.0.1-4
kernel-xenU-2.6.15-1.2054_FC5
kernel-xen0-2.6.15-1.2054_FC5

Thanks!

------------[ cut here ]------------
kernel BUG at mm/mmap.c:2050!
invalid opcode: 0000 [#1]
SMP
Modules linked in: bridge nls_utf8 ipv6 ppdev autofs4 hidp rfcomm l2cap
bluetooth sunrpc sr_mod sg ip_conntrack_netbios_ns ipt_REJECT xt_state
ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video
button battery ac lp parport_pc parport nvram usb_storage ehci_hcd uhci_hcd
tg3 hw_random e752x_edac edac_mc dm_snapshot dm_zero dm_mirror dm_mod ext3
jbd cciss sd_mod scsi_mod
CPU:    0
EIP:    0061:[<c014b790>]    Not tainted VLI
EFLAGS: 00210202   (2.6.15-1.2054_FC5xen0 #1)
EIP is at exit_mmap+0xe0/0xee
eax: 00000000   ebx: c1eef260   ecx: f3ff3b80   edx: fbc16000
esi: 00000000   edi: f2146dc0   ebp: f2432430   esp: f2459e4c
ds: 007b   es: 007b   ss: 0069
Process xenstored (pid: 2414, threadinfo=f2458000 task=f2432430)
Stack: <0>0000006f c1eef260 f2146dc0 f2146dc0 f2146df8 c011a514 f2146dc0
f24328f8
      f2146dc0 c011de70 f2146dc0 f2432430 f2432430 0000000b f2459eac
c011f579
      0000000b 00000001 ffffffff ffffffff 00000001 f2458000 c0ef60c0
0000000b
Call Trace:
[<c011a514>] mmput+0x1e/0x93
[<c011de70>] exit_mm+0x112/0x118
[<c011f579>] do_exit+0x1a5/0x6f4
[<c011fb51>] sys_exit_group+0x0/0x11
[<c03c764c>] inflate_dynamic+0x20/0x53d
[<c0127813>] get_signal_to_deliver+0x467/0x490
[<c03c7a84>] inflate_dynamic+0x458/0x53d
[<c011323d>] do_page_fault+0x0/0x6a8
[<c01042c7>] do_notify_resume+0x8b/0x623
[<c0168e97>] do_ioctl+0x4f/0x5f
[<c0113384>] do_page_fault+0x147/0x6a8
[<c01137da>] do_page_fault+0x59d/0x6a8
[<c016914c>] sys_ioctl+0x48/0x64
[<c011323d>] do_page_fault+0x0/0x6a8
[<c0104bfb>] work_notifysig+0x13/0x18
Code: 47 00 00 c7 43 04 00 00 00 00 58 5a 57 e8 6a 73 fb ff 58 eb 09 89 f0
e8 e1 fe ff ff 89 c6 85 f6 75 f3 83 bf 98 00 00 00 00 74 08 <0f> 0b 02 08 40
05 31 c0 5b 5e 5b 5e 5f c3 55 57 56 53 83 ec 0c
<1>Fixing recursive fault but reboot is needed!
-- 
**Alex Barger*
*WebXtreme, Inc
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