Hi Alex,
as we have discussed yesterday, I tried enabling and disabling Vt-d. This does deterministically affect the PCI assignment so I think that missing Vt-d was the reason for the PCI error.
Yet this doesn't explain the second error that iwl is timing out waiting for the hardware.
Regards, Johannes
Am 05.12.2017 um 17:06 schrieb Johannes Kliemann:
Hi Alex,
thanks to your hint with Issue #2207 I was able to get the value of res which is 9. What I find interesting is the fact that it now seems to be able to assign the PCI device as you can see in [1].
[platform_drv] wifi_drv -> : assignment of PCI device 4:0.0 succeeded
Yet everything else seems to behave as before. The timeout errors still appear and there doesn't seem to be any actual connection attempt.
I have built this from [2] which currently incorporates log_core_kernel, NOVA VGA support and benders fix free memory calculation (if this information is useful to you).
Regards, Johannes
Am 04.12.2017 um 22:14 schrieb Alexander Boettcher:
Hello,
On 04.12.2017 10:04, Johannes Kliemann wrote:
Hi all,
I tried to use the Wifi driver for Intel wifi chips. When running the driver I get the following messages:
[platform_drv] Error: wifi_drv -> : assignment of PCI device 4:0.0
failed phys=0xf8400000 virt=0x10 and
[wifi_drv] [iwl_trans_pcie_grap_nic_access] *WARN* Timeout waiting for
hardware access (CSR_GP_CNTRL 0xffffffff)
The corresponding run file [1] is explicitly written without any default routes. I can only provide a photo of the log output [2] (at least the visible part) as I don't have any other debug method yet on this hardware.
I thought that this was a missing route but I couldn't find a related message and assigning default routes didn't fix it. The error seems to appear in repos/base-nova/src/core/pd_session_support.cc:assign_pci returning false but I couldn't find out why this happens. Does anyone have an idea?
What is or maybe are the value(s) for the variable 'res' in repos/base-nova/src/core/pd_session_support.cc:assign_pci ?
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