Sry, prob informative to add that were running qemu-kvm-0.10.6 on a
vanilla 2.6.30.4-0.1-default kernel.
-Jonas
Jonas Pfoh wrote:
Hello,
I seem to be having some issues making the pci pass-through work from
the command line. Interestingly, a hot-plug works (i.e., passing the
device through via the qemu console). Any help would be appreciated.
Thanks,
Jonas Pfoh
Below the attempt and error msgs:
# /usr/local/kvm/bin/qemu-system-x86_64 -m 2048 -hda
/srv/kvm/suseimg.img -vnc localhost:1 -pcidevice host=00:09.0 -net none
create_userspace_phys_mem: Invalid argument
assigned_dev_iomem_map: Error: create new mapping failed
dmesg output:
...
pci-stub 0000:00:09.0: PCI INT A -> Link[LMAD] -> GSI 21 (level, low) ->
IRQ 21
pci-stub 0000:00:09.0: irq 31 for MSI/MSI-X
pci-stub 0000:00:09.0: PCI INT A disabled
/proc/cpuinfo (one of two identical procs):
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 107
model name : AMD Athlon(tm) Dual Core Processor 5050e
stepping : 2
cpu MHz : 1000.000
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
fxsr_opt rdtscp lm 3dnowext 3dnow rep_good extd_apicid pni cx16 lahf_lm
cmp_legacy svm extapic cr8_legacy 3dnowprefetch
bogomips : 1999.98
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc 100mhzsteps
lspci -v:
...
00:09.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a3)
Subsystem: nVidia Corporation Device cb84
Flags: 66MHz, fast devsel, IRQ 21
Memory at feaf5000 (32-bit, non-prefetchable) [size=4K]
I/O ports at b080 [size=8]
Memory at feafa000 (32-bit, non-prefetchable) [size=256]
Memory at feaf4c00 (32-bit, non-prefetchable) [size=16]
Capabilities: [44] Power Management version 2
Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
Count=1/8 Enable-
Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+
Kernel driver in use: pci-stub
Kernel modules: forcedeth
...
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