[Xen-users] xen 3.2.1 / 2.6.18.8-xen dom0 with pci_bus_probe_wrapper error

[Zoltan HERPAI <wigyori@xxxxxxx>]

Hi,

I've ran into a strange message when tried to test Xen 3.2.1 dom0 with 
2.6.18.8-xen kernel (cloned from the mercurial repository as README 
said). Error as follows:
[    1.623431] BUG: warning at 
/usr/src/xen-3.2.1/linux-2.6.18-xen.hg/drivers/xen/core/pci.c:28/pci_bus_probe_wrapper()
[    1.623529]
[    1.623529] Call Trace:
[    1.623665]  [<ffffffff8036f84a>] pci_bus_probe_wrapper+0x10b/0x114
[    1.623742]  [<ffffffff80322857>] pci_match_device+0x13/0xac
[    1.623818]  [<ffffffff8035dd90>] driver_probe_device+0x52/0xa2
[    1.623893]  [<ffffffff8035de45>] __driver_attach+0x0/0x9b
[    1.623968]  [<ffffffff8035de95>] __driver_attach+0x50/0x9b
[    1.624043]  [<ffffffff8035de45>] __driver_attach+0x0/0x9b
[    1.628899]  [<ffffffff8035d811>] bus_for_each_dev+0x43/0x6e
[    1.628976]  [<ffffffff8035d45f>] bus_add_driver+0x73/0x122
[    1.629052]  [<ffffffff80322af6>] __pci_register_driver+0x5a/0x80
[    1.629128]  [<ffffffff805a3b6a>] ide_scan_pcibus+0x8b/0x9e
[    1.629203]  [<ffffffff805a3a74>] ide_init+0x58/0x6b
[    1.629277]  [<ffffffff80266e02>] init+0x150/0x34c
[    1.629352]  [<ffffffff8025fcc8>] child_rip+0xa/0x12
[    1.629427]  [<ffffffff8032c499>] acpi_ds_init_one_object+0x0/0x80
[    1.629504]  [<ffffffff80266cb2>] init+0x0/0x34c
[    1.629578]  [<ffffffff8025fcbe>] child_rip+0x0/0x12
[    1.629651]

The error appears many times in the bootlog, with the same offsets. I 
thought that this has something to do with the PCI backend stuff, so I 
tried setting in and out the configuration options regarding it, but the 
warning message stayed.
I'm running Ubuntu 8.04.1 on an Asus M2N-E mainboard, latest BIOS, 
64-bit userland, I can send the kernel configuration if someone is 
interested. Google says no results on this, that's why I'm asking if 
anyone has seen this yet, or could this affect my HVM and paravirt 
domUs, if I don't use PCI passthru or virtual PCI on them.
Regards,
Zoltan HERPAI


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