Re: rtwn0: rtwn_rx_copy_to_mbuf: could not allocate RX mbuf

Before iperf3:

netstat -mb
27/8103/8130 mbufs in use (current/cache/total)
1/5333/5334/1009905 mbuf clusters in use (current/cache/total/max)
0/4318 mbuf+clusters out of packet secondary zone in use (current/cache)
0/3810/3810/504952 4k (page size) jumbo clusters in use
(current/cache/total/max)
0/0/0/149615 9k jumbo clusters in use (current/cache/total/max)
0/0/0/84158 16k jumbo clusters in use (current/cache/total/max)
9K/27931K/27940K bytes allocated to network (current/cache/total)
0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0 sendfile syscalls
0 sendfile syscalls completed without I/O request
0 requests for I/O initiated by sendfile
0 pages read by sendfile as part of a request
0 pages were valid at time of a sendfile request
0 pages were valid and substituted to bogus page
0 pages were requested for read ahead by applications
0 pages were read ahead by sendfile
0 times sendfile encountered an already busy page
0 requests for sfbufs denied
0 requests for sfbufs delayed

After iperf3 (trigger)

% netstat -mb
26/8104/8130 mbufs in use (current/cache/total)
1/5333/5334/1009905 mbuf clusters in use (current/cache/total/max)
0/4318 mbuf+clusters out of packet secondary zone in use (current/cache)
0/3810/3810/504952 4k (page size) jumbo clusters in use
(current/cache/total/max)
0/0/0/149615 9k jumbo clusters in use (current/cache/total/max)
0/0/0/84158 16k jumbo clusters in use (current/cache/total/max)
8K/27932K/27940K bytes allocated to network (current/cache/total)
0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0 sendfile syscalls
0 sendfile syscalls completed without I/O request
0 requests for I/O initiated by sendfile
0 pages read by sendfile as part of a request
0 pages were valid at time of a sendfile request
0 pages were valid and substituted to bogus page
0 pages were requested for read ahead by applications
0 pages were read ahead by sendfile
0 times sendfile encountered an already busy page
0 requests for sfbufs denied
0 requests for sfbufs delayed

Adrian Chadd <adrian.chadd@gmail.com> escreveu (sexta, 25/04/2025 à(s) 23:33):
>
> there's nothing odd in the stats output.
>
> Try netstat -mb before and after. This error really feels like it's somewhere else in the kernel.
>
>
>
> -adrian
>


-- 
Nuno Teixeira
FreeBSD UNIX:  <eduardo@FreeBSD.org>   Web:  https://FreeBSD.org