Re: [Scst-devel] async / qlogic / vmware / amd-vi

[Bart V. A. <bva...@ac...>]

On 2/5/19 1:49 AM, Sietse van Zanen wrote:
> The above combination does not seem fruitful and leads to errors and 
> completely stuck ESX hosts, I’m using the scst qla driver:
> 
> Feb  5 10:17:24 rdsan01 kernel: qla2xxx 0000:08:00.0: AMD-Vi: Event 
> logged [IO_PAGE_FAULT domain=0x0000 address=0x00000000ff707000 flags=0x0050]
> 
> Feb  5 10:17:24 rdsan01 kernel: qla2xxx 0000:08:00.0: AMD-Vi: Event 
> logged [IO_PAGE_FAULT domain=0x0000 address=0x00000000ff707780 flags=0x0050]
> 
> Feb  5 10:17:24 rdsan01 kernel: qla2xxx 0000:08:00.0: AMD-Vi: Event 
> logged [IO_PAGE_FAULT domain=0x0000 address=0x00000000ff7074c0 flags=0x0050]

Hi -Sietse,

That's unfortunate. I think the newest code in your setup is 
asynchronous I/O. Have you already tried to verify whether synchronous 
I/O with multiple threads works fine?

Bart.