Re: SERIOUS BUG: Zero Latency Interrupts are broken!

2024-12-10 Thread Nathan Hartman
On Tue, Dec 10, 2024 at 8:11 AM spudaneco wrote: > I wonder if we should also disable the prioritization APIs. In the > normal, default case, any reprioritization of an IRQ introduces a fatal, > mysterious bug. That is because nested interrupts will occur and may not > be supported.Sent from my

Re: SERIOUS BUG: Zero Latency Interrupts are broken!

2024-12-10 Thread spudaneco
I wonder if we should also disable the prioritization APIs.  In the normal, default case, any reprioritization of an IRQ introduces a fatal, mysterious bug.  That is because nested interrupts will occur and may not be supported.Sent from my Galaxy Original message From: Nathan H

Re: SERIOUS BUG: Zero Latency Interrupts are broken!

2024-12-10 Thread Nathan Hartman
On Tue, Dec 10, 2024 at 9:06 AM Gregory Nutt wrote: > On 12/10/2024 7:59 AM, Nathan Hartman wrote: > > On Tue, Dec 10, 2024 at 8:11 AM spudaneco wrote: > > > >> I wonder if we should also disable the prioritization APIs. In the > >> normal, default case, any reprioritization of an IRQ introduce

Re: SERIOUS BUG: Zero Latency Interrupts are broken!

2024-12-10 Thread Nathan Hartman
On Mon, Dec 9, 2024 at 9:46 PM Xiang Xiao wrote: > > On Tue, Dec 10, 2024 at 5:53 AM Nathan Hartman > wrote: > > > Hi all, > > > > Unfortunately I missed the PR before it was merged, but PR-15073 has > > broken High Priority, Zero Latency Interrupts! Fortunately I caught it > > now. It was merged

Re: NSH Not Responding to Commands Over Serial on STM32F446RET

2024-12-10 Thread Tomek CEDRO
Have you tried upgrading st-link firmware? I also noticed similar problem, st-link firmware upgrade helped :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info On Tue, Dec 10, 2024, 02:21 Russell Haley wrote: > For what it's worth: I had issues using ST-Link and serial with a Nucleo > board for

Re: SERIOUS BUG: Zero Latency Interrupts are broken!

2024-12-10 Thread Gregory Nutt
On 12/10/2024 7:59 AM, Nathan Hartman wrote: On Tue, Dec 10, 2024 at 8:11 AM spudaneco wrote: I wonder if we should also disable the prioritization APIs. In the normal, default case, any reprioritization of an IRQ introduces a fatal, mysterious bug. That is because nested interrupts will occ

Re: NSH Not Responding to Commands Over Serial on STM32F446RET

2024-12-10 Thread Russell Burgett
thanks for the help all started using gdb yesterday in an effort to track down the issue - found that NSH runs just fine both with my app and the nuttx example my test board has a ST-LINK interface permanently attached and am wondering (vaguely) if this is part of the issue may defer looking at th

Re: NSH Not Responding to Commands Over Serial on STM32F446RET

2024-12-10 Thread Alan C. Assis
Hi Russel, Please look at the schematics of both boards, sometimes ST change pins used on different board revisions. Also, if you discover some important detail about these boards, please submit a PR updating the board Documentation/ this way you make the life of the next developer/user easier.