Re: ASMedia ASM2142 USB host controller tries to DMA to address zero when doing bulk reads from multiple devices

2020-08-01 Thread Forest Crossman
On Wed, Jul 29, 2020 at 8:22 AM Oliver O'Halloran wrote: > > On Tue, Jul 21, 2020 at 3:51 PM Forest Crossman wrote: > > > > Hello, again! > > > > After fixing the issue in my previous thread using this patch[1], I > > decided to do some stress-testing of

ASMedia ASM2142 USB host controller tries to DMA to address zero when doing bulk reads from multiple devices

2020-07-20 Thread Forest Crossman
Hello, again! After fixing the issue in my previous thread using this patch[1], I decided to do some stress-testing of the controller to make sure it could handle my intended workloads and that there were no further DMA address issues that would need to be fixed. Unfortunately, it looks like there

Re: ASMedia USB 3.x host controllers triggering EEH on POWER9

2020-07-17 Thread Forest Crossman
> In the future you can use this script to automate some of the tedium > of parsing the eeh dumps: > https://patchwork.ozlabs.org/project/skiboot/patch/20200717044243.1195833-1-ooh...@gmail.com/ Ah, nice, thanks for showing me this! I had written my own parser that just dumped a few register names

ASMedia USB 3.x host controllers triggering EEH on POWER9

2020-07-16 Thread Forest Crossman
Hi, all, I have several ASMedia USB 3.x host controllers (ASM2142 and ASM3142, both share the same Vendor ID/Device ID pair) that I'd like to use with a POWER9 system (a Raptor Computing Systems Talos II). Unfortunately, while the kernel recognizes the controllers just fine, as soon as I plug in a