bus_dmamem_alloc failed to align memory properly

[Hans Petter Selasky]

On 1/18/21 6:51 PM, Steve Kargl wrote:
> I've used a SCHED_BSD for a long time on my i586-*-freebsd
> laptop.  Recently, FreeBSD just locks up on this system.  No
> panic.  No screen.  No keyboard. Nothing.  So, yesterday, while
> trying to deal with the blank console problem, I switch to
> SCHED_ULE to see if solved this lock-up issue.  It doesn't. :-(
> 
> I now have a number of messages during boot.
> 
> % dmesg | grep align
> bus_dmamem_alloc failed to align memory properly.
> bus_dmamem_alloc failed to align memory properly.
> bus_dmamem_alloc failed to align memory properly.
> bus_dmamem_alloc failed to align memory properly.
> bus_dmamem_alloc failed to align memory properly.
> 
> I never seen these messages, so is this normal for SCHED_ULE.
> 
> In addition, to the mystrey lock-up.  It now seems that
> wpa_supplicant is broken.  The initial instances, started
> at boot, is using 100% CPU.  I need to kill that instance
> along with openvpn (which of course needs the network).
> The D-Link cardbud ath NIC is ejected, re-insert it, and
> the network start up as normal.
> 

Hi,

This appears to be a known issue.

I think kib@ is working on it.

--HPS