[opensuse-virtual] unknown PCI-related messages -- including "Fatal" -- in otherwise normal DomU boot
with, Dom0 -> uname -a Linux host_test 2.6.33-rc6-11-xen #1 SMP 2010-02-04 13:24:08 +0100 x86_64 x86_64 x86_64 GNU/Linux rpm -qa | grep -i xen-4 xen-4.0.0_20873_01-29.1.x86_64 DomU -> uname -a Linux guest_test 2.6.33-rc6-11-xen #1 SMP 2010-02-04 13:24:08 +0100 x86_64 x86_64 x86_64 GNU/Linux @ Domu boot, I see a few odd pci-related messages: dmesg | grep -i pci [ 0.000000] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) ? [ 0.488969] PCI: Fatal: No config space access function found [ 0.488987] PCI: setting up Xen PCI frontend stub ? [ 0.516033] PCI: System does not support PCI ? [ 0.516033] PCI: System does not support PCI [ 0.522740] PCI: CLS 64 bytes [ 0.529530] pcifront pci-0: Installing PCI frontend [ 0.530066] pcifront pci-0: Creating PCI Frontend Bus 0000:00 [ 0.530908] pci 0000:00:00.0: reg 10: [mem 0xfbf08000-0xfbf0807f 64bit] [ 0.531126] pci 0000:00:00.0: reg 18: [mem 0xfbf00000-0xfbf07fff 64bit] [ 0.531237] pci 0000:00:00.0: reg 20: [io 0xec00-0xec0f] [ 0.532062] pci 0000:00:00.0: supports D1 D2 ? [ 0.636912] pci-stub: invalid id string "" [ 0.678285] PCI IO multiplexer device installed. i've grep'd the latest xen-unstable sources for those errors -- nothing found. any hints as to where if/from Xen those arise? maybe kernel-specific? more importantly, are they of any concern? the DomU boots up & functions normally -- afaict, there are no adverse effects. yet. -- To unsubscribe, e-mail: opensuse-virtual+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-virtual+help@opensuse.org
0bo0 <0.bugs.only.0@gmail.com> 05.02.10 23:10 >>> i've grep'd the latest xen-unstable sources for those errors -- nothing found.
They're in the kernel log, so they come from the kernel (not from Xen).
any hints as to where if/from Xen those arise? maybe kernel-specific?
more importantly, are they of any concern? the DomU boots up & functions normally -- afaict, there are no adverse effects. yet.
No, they're not indicating any problems. Inhibiting them (apart from the pci-stub one, which isn't Xen-specific) would only increase the amount of common code Xen patches need to touch, which is why there was never an attempt to address this purely cosmetic issue. Jan -- To unsubscribe, e-mail: opensuse-virtual+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-virtual+help@opensuse.org
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0bo0
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Jan Beulich