Re: current issues on Octeon (ER-4)

["David H. Gutteridge" <david%gutteridge.ca@localhost>]

On Wed, 2023-07-26 at 18:30 -0400, David H. Gutteridge wrote:
> On 2023-06-09 17:49, David H. Gutteridge wrote:
> > On Sun, 21 May 2023 at 12:23:19 +0100, Denis Ovsienko wrote:
> > > Before I forget, there is one other rough edge with evbmips-
> > > mips64eb:
> > > * When booting octeon.img.gz, DHCP client works.
> > > * When booting netbsd-OCTEON after the manual installation, DHCP 
> > > client
> > > works.
> > > * When booting netbsd-INSTALL_OCTEON, DHCP client does not work 
> > > because
> > > the kernel does not seem to have BPF (this has been this way at
> > > least
> > > since 2021), also there is an assertion at the end.  Using static
> > > IPv4 configuration in the installer works around the problem.
> > > 
> > > Status: Command failed
> > > Command: /sbin/dhcpcd -d -n cnmac1
> > > Hit enter to continue
> > > qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
> > > qqqqqqqqqqqqqq
> > > Berkley Packet Filter not found
> > > cnmac1: sending DISCOVER (xid 0xeb30a157), next in 8.4 seconds
> > > cnmac1: sending DISCOVER (xid 0xeb30a157), next in 8.4 seconds
> > > Berkley Packet Filter not found
> > > Berkley Packet Filter not found
> > > cnmac1: sending DISCOVER (xid 0xeb30a157), next in 15.6 seconds
> > > cnmac1: sending DISCOVER (xid 0xeb30a157), next in 15.6 seconds
> > > Berkley Packet Filter not found
> > > Berkley Packet Filter not found
> > > timed out
> > > timed out
> > > cnmac1: executing: /libexec/dhcpcd-run-hooks STOPPED
> > > cnmac1: executing: /libexec/dhcpcd-run-hooks STOPPED
> > > dhcpcd_fork_cb: truncated read 0 (expected 4)
> > > dhcpcd_fork_cb: truncated read 0 (expected 4)
> > > assertion "ifp != NULL" failed: file 
> > > "/usr/src/lib/libc/net/getifaddrs.c", line
> > > 303, function "_freeifaddrs"
> > 
> > Examining the ramdisk build recipe, I saw that bpf wasn't on the
> > list
> > of device nodes to be created (though dhcpcd is included, and bpf is
> > enabled in the kernel configuration), so I've now added it.
> > 
> > I'm not able to test this directly, but verified by mounting the 
> > ramdisk
> > images generated before and after this change. Testing would be
> > appreciated.
> 
> I've been able to test the netbsd-INSTALL_OCTEON installer now, with
> my
> addition of the bpf device to the image. With evbmips-mips64eb dhcpcd
> now works, though with evbmips-mipsn64eb we run into a different
> problem, which I'm still looking at. I've requested a pullup of this
> to the netbsd-10 branch, along with some other additions to allow that
> ramdisk to work with GPT wedges, should someone use the octeon.img
> image, then find the need to recover the resulting installation.
> (Which
> has already happened to me twice -- that is, I place a copy of
> netbsd-INSTALL_OCTEON on the boot wedge, so I can boot into that and
> recover rather than going through the trouble of removing the USB
> stick
> from the machine; I'd done that in my initial setup, then discovered I
> couldn't inspect or mount dk1 the first time I tried to recover!)

evbmips-mipsn64eb has had an issue with bpf(4) fixed by rin@, and pulled
up to netbsd-10, so you should find dhcpcd(8) and tcpdump(8) now work on
it. (It was pulled up to netbsd-10 on September 13th.)

Regards,

Dave