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Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support


From: Stephen Bates
Subject: Re: [Qemu-devel] [PATCH v5 0/5] Connect a PCIe host and graphics support to RISC-V
Date: Tue, 16 Oct 2018 17:31:58 +0000
User-agent: Microsoft-MacOutlook/10.12.0.181008

>    Forgot to mention that, despite showing up, the device doesn't quite
>    work: for example, it can't seem to be able to acquire an IP address.
    
Andrea and Alistair

A lot of your issues look very similar to what I saw. The PCIe device can be 
accessed via MMIO but interrupts are broken which causes issues with the 
devices (e.g. NVMe or 1000e). I think we need to root cause and resolve this 
issue before we can merge the series.

Alistair I think you need to review how interrupts are wired up in the PCIe 
root device. Maybe compare to how it was done in arm as it looks different.

For now I would concentrate on the virt machine (since it has a working 
equivalent in the arm tree). We can then look at the sifive_u machine after.

Cheers

Stephen
    
    


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