Re: System hang on first PCIe MSI interrupt with I-pipe kernels newer than 4.14.62

2022-03-17 Thread Scott Reed via Xenomai
On 3/17/22 4:44 PM, Jan Kiszka wrote: On 17.03.22 16:24, Scott Reed wrote: On 3/16/22 11:35 AM, Jan Kiszka wrote: On 16.03.22 10:58, Scott Reed wrote: On 3/15/22 9:42 AM, Scott Reed via Xenomai wrote: On 3/15/22 7:32 AM, Jan Kiszka wrote: On 14.03.22 18:45, Scott Reed wrote: On

Re: System hang on first PCIe MSI interrupt with I-pipe kernels newer than 4.14.62

2022-03-17 Thread Scott Reed via Xenomai
en to working and non-working 4.14 kernels. > I have been able to get my test running on 4.14.110+ipipe without the system hanging on the first PCIe MSI interrupt. I have attached my patch (hopefully the attachment shows up correctly, but if not please let me know). The f

Re: System hang on first PCIe MSI interrupt with I-pipe kernels newer than 4.14.62

2022-03-17 Thread Jan Kiszka via Xenomai
On 17.03.22 16:24, Scott Reed wrote: > > > On 3/16/22 11:35 AM, Jan Kiszka wrote: >> On 16.03.22 10:58, Scott Reed wrote: >>> >>> >>> On 3/15/22 9:42 AM, Scott Reed via Xenomai wrote: On 3/15/22 7:32 AM, Jan Kiszka wrote: > On 14.03.22 18:45, Scott Reed wrote: >> >>

Re: System hang on first PCIe MSI interrupt with I-pipe kernels newer than 4.14.62

2022-03-17 Thread Greg Gallagher via Xenomai
on the first PCIe MSI interrupt. > >> > >> As mentioned before, I first observed this behavior when moving from > >> 4.14.62+ipipe and 4.14.110+ipipe so I think my best bet is to dive > >> into what changed in this time frame. My goal is still to move to >

Re: System hang on first PCIe MSI interrupt with I-pipe kernels newer than 4.14.62

2022-03-17 Thread Scott Reed via Xenomai
n-text attachment was scrubbed... Name: 0001-ipipe-arm-Fix-handling-of-PCIe-MSI-interrupts.patch Type: text/x-patch Size: 993 bytes Desc: not available URL: <http://xenomai.org/pipermail/xenomai/attachments/20220317/c81fcb0f/attachment.bin>

Re: waitqueue vs. mutex behavior

2022-03-17 Thread Matt Klass via Xenomai
Thank you Jan, Philippe. Your responses have given us a lot to look into and a lot to learn. We'll come back with a more detailed response once we've gained a little more understanding on our end. Matt On Wed, Mar 16, 2022 at 5:09 AM Philippe Gerum wrote: > > Matt Klass via Xenomai writes: >