On Mon, Dec 03, 2007 at 01:20:53AM +0800, Ariff Abdullah wrote: > On Sun, 25 Nov 2007 22:19:15 +0200 > Kostik Belousov <kostikbel_at_gmail.com> wrote: > > I have a laptop that shares interrupt between ath0 and snd_hda0 > > devices. Machine works under the RELENG_6 normally. Now, on the > > RELENG_7 (and CURRENT), attempt to ifconfig ath0 up usualy hangs the > > machine in the next 2-5 minutes. > > > > Hang is hard, I even cannot switch the console to look at the kernel > > messages or enter the ddb. Also, laptop does not have a serial port. > > > > Not setting the ath0 up, or, unloading snd_hda.ko before activating > > the interface, allows machine to work. Wireless works without > > problem, interrupt rate is as expected. > > > > Any advice ? > > > > Try enabling msi via hint.pcm.%d.msi="1" . It is disabled by default > due to too many broken msi. > > There is a poor man polling mode which can be enabled through sysctl > dev.pcm.%d.polling=1, but I won't recommend this for typical usage > (unless to debug this kind of weird issues). > > This regression probably originated from somewhere else since you said > it was working fine under RELENG_6. I filled the PR 118316, see there for some kind of workaround/solution. It seems that removing INTR_FILTER from kernel config solves it.
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:23 UTC