Re: -current network buffer exhaustion on RPi2 armv7

On Mon, Feb 16, 2026 at 12:08:53PM -0800, Mark Millard wrote:
> 
> I've not found anything else that looks to be a match.
> 
> So, apparently, 802.11 WiFi as the communication channel "media".
> 
> My guess for op:
> 
> sys/net80211/ieee80211_ioctl.h:
> #define IEEE80211_IOC_DELKEY            20
> 
> "Can't assign requested address" Looks to be from EADDRNOTAVAIL in:
> 
> sys/net80211/ieee80211_ioctl.c :
> 
> . . .
> static int
> ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
> . . .
>         if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
>                 struct ieee80211_node *ni;
> 
>                 if (vap->iv_opmode == IEEE80211_M_STA) {
>                         ni = ieee80211_ref_node(vap->iv_bss);
>                         if (!IEEE80211_ADDR_EQ(dk.idk_macaddr,
> ni->ni_bssid)) {
>                                 ieee80211_free_node(ni);
>                                 return EADDRNOTAVAIL;
>                         }
>                 } else {
> . . .
> 
> 
> > (I think the numerical values repeat, but I'm not certain of it)
> > n
> > In this case, the ethernet network (via a usb-wifi adapter) remained up:
> 
> Yep: Looks to be that WiFi usage that is involved.
> 
> > 
> > Anybody have an idea what the machine is complaining about? 
> 
> I've not managed to get the point of referencing any specifics for the
> "No buffer space available", so: not me.

It looks rather as if the "no buffer space available" text isn't
coming from wpa_cli, but rather from syslogd reporting directly
to the console (at the moment the serial console is the only
interactive connection to the Pi2). 

Thanks for writing!

bob prohaska