Re: port-alpha/33073 (isp0: unable to load dma (22))

[Jason Thorpe <thorpej%me.com@localhost>]

The following reply was made to PR port-alpha/33073; it has been noted by GNATS.

From: Jason Thorpe <thorpej%me.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: Jason Thorpe <thorpej%netbsd.org@localhost>,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 michael%moria.de@localhost
Subject: Re: port-alpha/33073 (isp0: unable to load dma (22))
Date: Wed, 21 Jul 2021 12:17:38 -0700

 > On Jul 21, 2021, at 12:00 PM, Tobias Nygren <tnn%netbsd.org@localhost> wrote:
 >=20
 > The following reply was made to PR port-alpha/33073; it has been noted =
 by GNATS.
 >=20
 > From: Tobias Nygren <tnn%NetBSD.org@localhost>
 > To: gnats-bugs%netbsd.org@localhost
 > Cc:=20
 > Subject: Re: port-alpha/33073 (isp0: unable to load dma (22))
 > Date: Wed, 21 Jul 2021 20:56:37 +0200
 >=20
 > FWIW autonegotiation works fine in -current on a similar Tulip on
 > PC164SX. It uses the same phy; the only difference I can see is:
 > -DECchip 21143 Ethernet, pass 3.0
 > +DECchip 21140A Ethernet, pass 2.2
 
 Yah, the media handling is a little different on the 21143 vs 21140.  =
 (Actually the media handling can be bonkers on all of the DEC Tulip =
 variants, and I'm still in therapy for it all these years later...)
 
 > cia0 at mainbus0: DECchip 2117x Core Logic Chipset (Pyxis), pass 2
 > cia0: extended capabilities: 0x1<BWEN>
 > cia0: using BWX for PCI config access
 > pci0 at cia0 bus 0
 > pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 > tlp0 at pci0 dev 6 function 0: DECchip 21140A Ethernet, pass 2.2
 > tlp0: interrupting at eb164 irq 11
 > tlp0: DEC DE500-AA, Ethernet address 00:00:f8:1a:4c:02
 > nsphy0 at tlp0 phy 5: DP83840 10/100 media interface, rev. 0
 > nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 
 ...but this is an excellent data point :-)
 
 -- thorpej