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<DIV dir=ltr align=left><SPAN class=572571201-12022009><FONT face=宋体
color=#0000ff size=2>Seems it is because PCI frontend try to write some
configuration space that PCIback has no config_field entry to support
it.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=572571201-12022009><FONT face=宋体
color=#0000ff size=2>I think you can firstly try to do as dom0's dmesg
suggested: "<FONT face="Times New Roman" color=#000000 size=3>see permissive
attribute in sysfs" (it should be "set permissive attribute...", I
think).</FONT></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=572571201-12022009></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=572571201-12022009><FONT face=宋体
color=#0000ff size=2>BTW, where you got following log? That seems suggest
config space function not found.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=572571201-12022009><FONT face=宋体
color=#0000ff size=2><FONT face="Times New Roman" color=#000000 size=3><FONT
face=宋体 color=#0000ff size=2></FONT><BR>PCI: Fatal: No PCI config space access
function found<BR>rtc: IRQ 8 is not free.<BR>i8042.c: No controller
found."</FONT></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=572571201-12022009><FONT color=#0000ff
size=2></FONT></SPAN> </DIV><SPAN class=572571201-12022009></SPAN><FONT
face="Times New Roman">-- Yunhong Jiang<SPAN
class=572571201-12022009></SPAN></FONT><BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> xen-devel-bounces@lists.xensource.com
[mailto:xen-devel-bounces@lists.xensource.com] <B>On Behalf Of </B>subbu
kl<BR><B>Sent:</B> 2009年2月11日 22:18<BR><B>To:</B> David Brown<BR><B>Cc:</B>
xen-devel@lists.xensource.com;
general@lists.openfabrics.org<BR><B>Subject:</B> [Xen-devel] Re: [ofa-general]
Fwd: pciback module not working<BR></FONT><BR></DIV>
<DIV></DIV>I am getting the same QUERY_FW failed on RHEL5.2 with xenxen
paravirtualized guest with pciback module.<BR><BR>No one seems to have tried
answering this question on the list, let me ping xen-devel and ofed people
again.<BR><BR>after executing in dom0<BR>echo -n 0000:0e:00.0 >
/sys/bus/pci/drivers/ib_mthca/unbind<BR>echo -n 0000:0e:00.0 >
/sys/bus/pci/drivers/pciback/new_slot<BR>echo -n 0000:0e:00.0 >
/sys/bus/pci/drivers/pciback/bind<BR><BR>#dmesg<BR>ACPI: PCI interrupt for
device 0000:0e:00.0 disabled<BR>tap tap-1-51712: 2 getting info<BR>tap
tap-2-51712: 2 getting info<BR>pciback 0000:0e:00.0: seizing device<BR>PCI:
Enabling device 0000:0e:00.0 (0140 -> 0142)<BR>ACPI: PCI Interrupt
0000:0e:00.0[A] -> GSI 16 (level, low) -> IRQ 16<BR>ACPI: PCI interrupt
for device 0000:0e:00.0 disabled<BR><BR>#xm create -c rhel52_64_3<BR><BR>PCI:
Fatal: No PCI config space access function found<BR>rtc: IRQ 8 is not
free.<BR>i8042.c: No controller found.<BR><BR><BR>GUEST
dmesg:<BR><BR>ib_mthca: Mellanox InfiniBand HCA driver v1.0 (April 4,
2008)<BR>ib_mthca: Initializing 0000:00:00.0<BR>PCI: Enabling device
0000:00:00.0 (0000 -> 0002)<BR>PCI: Setting latency timer of device
0000:00:00.0 to 64<BR>ib_mthca 0000:00:00.0: QUERY_FW command failed,
aborting.<BR>ib_mthca: probe of 0000:00:00.0 failed with error -11<BR><BR>in
dom0:<BR>Feb 11 19:44:37 p128 kernel: tap tap-3-51712: 2 getting info<BR>Feb
11 19:44:37 p128 kernel: pciback: vpci: 0000:0e:00.0: assign to virtual slot
0<BR>Feb 11 19:44:37 p128 kernel: device vif3.0 entered promiscuous
mode<BR>Feb 11 19:44:37 p128 kernel: ADDRCONF(NETDEV_UP): vif3.0: link is not
ready<BR>Feb 11 19:44:39 p128 kernel: blktap: ring-ref 9, event-channel 9,
protocol 1 (x86_64-abi)<BR>Feb 11 19:44:48 p128 kernel: pciback 0000:0e:00.0:
Driver tried to write to a read-only configuration space field at offset 0x44,
size 2. This may be harmless, but if you have problems with your
device:<BR>Feb 11 19:44:48 p128 kernel: 1) see permissive attribute in
sysfs<BR>Feb 11 19:44:48 p128 kernel: 2) report problems to the xen-devel
mailing list along with details of your device obtained from lspci.<BR>Feb 11
19:44:48 p128 kernel: PCI: Enabling device 0000:0e:00.0 (0000 ->
0002)<BR>Feb 11 19:44:48 p128 kernel: ACPI: PCI Interrupt 0000:0e:00.0[A]
-> GSI 16 (level, low) -> IRQ 16<BR>Feb 11 19:44:49 p128 kernel: ACPI:
PCI interrupt for device 0000:0e:00.0 disabled<BR><BR><BR><BR>some more
details - [root@p128 ~]# rpm -qa | grep
xen<BR>kernel-xen-2.6.18-92.1.22.el5<BR>xen-3.0.3-64.el5_2.9<BR>xen-libs-3.0.3-64.el5_2.9<BR>xen-libs-3.0.3-64.el5_2.9<BR><BR>[root@p128
~]# ibv_devinfo<BR>hca_id:
mthca0<BR>
fw_ver:
5.3.0<BR>
node_guid:
0002:c902:0022:cd48<BR>
sys_image_guid:
0002:c902:0022:cd4b<BR>
vendor_id:
0x02c9<BR>
vendor_part_id:
25218<BR>
hw_ver:
0x20<BR>
board_id:
MT_0370130002<BR>
phys_port_cnt:
2<BR>
port:
1<BR>
state:
PORT_INIT
(2)<BR>
max_mtu:
2048
(4)<BR>
active_mtu:
512
(2)<BR>
sm_lid:
0<BR>
port_lid:
0<BR>
port_lmc:
0x00<BR><BR>
port:
2<BR>
state:
PORT_DOWN
(1)<BR>
max_mtu:
2048
(4)<BR>
active_mtu:
512
(2)<BR>
sm_lid:
0<BR>
port_lid:
0<BR>
port_lmc:
0x00<BR><BR><BR>any help greatly appreciated.<BR><BR>~subbu<BR><BR>
<DIV class=gmail_quote>On Sat, Oct 18, 2008 at 4:54 AM, David Brown <SPAN
dir=ltr><<A
href="mailto:dmlb2000@gmail.com">dmlb2000@gmail.com</A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Okay
so my question to the openfabrics guys is, why would the OFED<BR>drivers
fail to read the firmware?<BR><BR>Any thoughts?<BR><BR>Thanks,<BR>- David
Brown<BR><BR><BR>---------- Forwarded message ----------<BR>From: David
Brown <<A
href="mailto:dmlb2000@gmail.com">dmlb2000@gmail.com</A>><BR>Date: Thu,
Sep 11, 2008 at 2:24 PM<BR>Subject: pciback module not working<BR>To: <A
href="mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</A>,
<A
href="mailto:xen-devel@lists.xensource.com">xen-devel@lists.xensource.com</A><BR><BR><BR>This
issue was brought up about a year and a half ago. So I'll bring<BR>it up
again and see if anything happens.<BR><BR>I've got an infiniband network and
am attempting to pass the<BR>infiniband card through the host and give it to
the guest.<BR>I'm working with standard CentOS 5.2 on both guest and host
with their<BR>provided xen (3.0.3 ish). I've also attempted to install the
newest<BR>Xen 3.3 and use their standard host kernel and that did the
same<BR>thing. The guest dmesg output in the guest is similar on
both<BR>permissive and normal mode.<BR><BR>I'm getting issues with detecting
the firmware on the card for some reason...<BR><BR>Any help would be
appreciated.<BR><BR>Thanks,<BR>- David Brown<BR><BR>=== GUEST dmesg output
===<BR>ib_mthca: Mellanox InfiniBand HCA driver v1.0 (February 28,
2008)<BR>ib_mthca: Initializing 0000:00:00.0<BR>PCI: Enabling device
0000:00:00.0 (0000 -> 0002)<BR>PCI: Setting latency timer of device
0000:00:00.0 to 64<BR>ib_mthca 0000:00:00.0: QUERY_FW command failed,
aborting.<BR>ib_mthca: probe of 0000:00:00.0 failed with error
-11<BR>=======================<BR><BR>=== Host modprobe.conf ===<BR>alias
eth0 bnx2<BR>alias eth1 bnx2<BR>alias scsi_hostadapter cciss<BR>options
pciback hide=(41:00.0)<BR>=====================<BR><BR>=== Host lspci output
===<BR># lspci -vs 41:00.0<BR>41:00.0 InfiniBand: Mellanox Technologies
MT25204 [InfiniHost III Lx<BR>HCA] (rev 20)<BR>
Subsystem: Hewlett-Packard Company Unknown device 170a<BR>
Flags: fast devsel, IRQ 16<BR> Memory at fdc00000
(64-bit, non-prefetchable) [disabled] [size=1M]<BR>
Memory at fd000000 (64-bit, prefetchable) [disabled] [size=8M]<BR>
Capabilities: [40] Power Management version 2<BR>
Capabilities: [48] Vital Product Data<BR>
Capabilities: [90] Message Signalled Interrupts: 64bit+ Queue=0/5
Enable-<BR> Capabilities: [84] MSI-X: Enable- Mask-
TabSize=32<BR> Capabilities: [60] Express Endpoint IRQ
0<BR>=====================<BR><BR>This makes sure it get loaded first off
before anything else.<BR>=== Host mkinitrd cmd ===<BR># mkinitrd -f
--with=pciback --preload pciback<BR>/boot/initrd-2.6.18-92.1.10.el5xen.img
2.6.18-92.1.10.el5xen<BR>====================<BR><BR>=== Host pciback dmesg
===<BR>pciback 0000:41:00.0: Driver tried to write to a
read-only<BR>configuration space field at offset 0x44, size 2. This may
be<BR>harmless, but if you have problems with your device:<BR>1) see
permissive attribute in sysfs<BR>2) report problems to the xen-devel mailing
list along with details of<BR>your device obtained from lspci.<BR>PCI:
Enabling device 0000:41:00.0 (0000 -> 0002)<BR>ACPI: PCI Interrupt
0000:41:00.0[A] -> GSI 16 (level, low) -> IRQ 16<BR>PCI: Setting
latency timer of device 0000:41:00.0 to 64<BR>ACPI: PCI interrupt for device
0000:41:00.0 disabled<BR>======================<BR><BR>=== Host pciback
dmesg (after setting it permissive) ===<BR>pciback 0000:41:00.0: enabling
permissive mode configuration space accesses!<BR>pciback 0000:41:00.0:
permissive mode is potentially unsafe!<BR>pciback: vpci: 0000:41:00.0:
assign to virtual slot 0<BR>device vif1.0 entered promiscuous
mode<BR>ADDRCONF(NETDEV_UP): vif1.0: link is not ready<BR>blkback: ring-ref
9, event-channel 28, protocol 1 (x86_64-abi)<BR>PCI: Enabling device
0000:41:00.0 (0000 -> 0002)<BR>ACPI: PCI Interrupt 0000:41:00.0[A] ->
GSI 16 (level, low) -> IRQ 16<BR>PCI: Setting latency timer of device
0000:41:00.0 to 64<BR>ACPI: PCI interrupt for device 0000:41:00.0
disabled<BR>=========================================<BR><BR>=== Guest lspci
output ===<BR># lspci -v<BR>00:00.0 InfiniBand: Mellanox Technologies
MT25204 [InfiniHost III Lx<BR>HCA] (rev 20)<BR>
Subsystem: Hewlett-Packard Company Unknown device 170a<BR>
Flags: fast devsel, IRQ 16<BR> Memory at fdc00000
(64-bit, non-prefetchable) [disabled] [size=1M]<BR>
Memory at fd000000 (64-bit, prefetchable) [disabled] [size=8M]<BR>
Capabilities: [40] Power Management version 2<BR>
Capabilities: [48] Vital Product Data<BR>
Capabilities: [90] Message Signalled Interrupts: 64bit+<BR>Queue=0/5
Enable-<BR> Capabilities: [84] MSI-X: Enable- Mask-
TabSize=32<BR> Capabilities: [60] Express Endpoint IRQ
0<BR>=====================<BR>_______________________________________________<BR>general
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clear=all><BR>-- <BR>. . . s u b b u<BR>"You've got to be original, because if
you're like someone else, what do they need you
for?"<BR></BLOCKQUOTE></BODY></HTML>