Martin, I've never seen such issues. Could you send me verbose `dmesg`, `devinfo -v` and `lspci -vv` outputs with and without the tunable set? I guess your BIOS sets some things differently from all I've tested.
On 13.11.2020 11:38, mar...@vx.sk wrote: > I am encountering a problem with hw.pci.enable_aspm: > > System: ASUS RS500A-E10-RS12U > CPU: AMD EPYC 7502 32-Core. > NVMe drive model: Micron 9300 PRO > Number of NVMe drives: 10 > > Using X2APIC > > When hw.pci.enable_aspm is enabled, PCIe hot plug of Micron NVMe drives > does not work (including detection on boot) and the system reports the > following errors for the vast majority of the drives: > > Nov 13 15:11:30 xxx kernel: pcib9: Timed out waiting for Data Link Layer > Active > Nov 13 15:12:17 xxx kernel: pcib30: Timed out waiting for Data Link > Layer Active > Nov 13 15:12:44 xxx kernel: pcib29: Timed out waiting for Data Link > Layer Active > Nov 13 15:13:04 xxx kernel: pcib11: Timed out waiting for Data Link > Layer Active > ... > > Flipping the tunable back to 0 workarounds the problem. > > Reproduced both on latest head and stable/12. -- Alexander Motin _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
