Hi Jerry, On Thu, 2023-05-11 at 07:59 -0700, Jerry Snitselaar wrote: > > IIRC trying to catch the irq storm didn't work in the L490 case for > some reason, so we might still need the dmi entry for that one. > > The info that the T490s had a pin wired up wrong came from Lenovo, but > this one even looks to be a different vendor so I wonder how often > this happens or if there is something else going on. Is it possible to > get info about the tpm used in the Inspur system? The datasheet online > doesn't mention it. Are you sure about T490s? To me the wiring looks right on both s and non-s: Pin 18 / PIRQ# goes to PIRQA# of the PCH/SoC. However on L490 Pin 18 / PIRQ# is wired wrongly to SERIRQ, which probably is the reason that catching the interrupt storm didn't work: I guess this completely messes up LPC communication and causes way more problems. In this case only a DMI quirk can help. BR Michael > > Regards, > Jerry > > > > Thanks, > > > > > > Lukas >
