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Sun, 26 May 2019 05:55:00 -0700 (PDT) Received: from cray.acadix.biz ([2605:a000:bc45:5f00:223:24ff:fe37:c4d7]) by smtp.gmail.com with ESMTPSA id m25sm3897328iti.24.2019.05.26.05.54.59 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Sun, 26 May 2019 05:54:59 -0700 (PDT) Subject: Re: gem0 instability To: Michael Tuexen Cc: "freebsd-ppc@freebsd.org" References: <21538fef-663e-bbc2-33cb-b780da74bba4@gmail.com> <9A3DEC19-5191-4220-9A77-EC90462E9B1C@fh-muenster.de> From: Jason Bacon Message-ID: <3516af46-6c41-d891-2246-6cf0a4dcf63b@gmail.com> Date: Sun, 26 May 2019 07:54:58 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <9A3DEC19-5191-4220-9A77-EC90462E9B1C@fh-muenster.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: CF0D8866B6 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=fwdWkMb2; 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MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-ppc@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[1.4.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-0.78)[ip: (1.73), ipnet: 2607:f8b0::/32(-3.30), asn: 15169(-2.29), country: US(-0.06)] X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 May 2019 12:55:03 -0000 On 2019-05-25 15:53, Michael Tuexen wrote: >> On 25. May 2019, at 14:45, Jason Bacon wrote: >> >> >> Is this a known issue with powermacs? >> >> May 24 14:09:06 powermacg5 kernel: gem0: device timeout >> May 24 14:09:06 powermacg5 kernel: gem0: link state changed to DOWN >> May 24 14:09:11 powermacg5 kernel: gem0: link state changed to UP >> May 24 14:09:18 powermacg5 kernel: gem0: device timeout >> May 24 14:09:18 powermacg5 kernel: gem0: link state changed to DOWN >> May 24 14:09:22 powermacg5 kernel: gem0: link state changed to UP >> May 24 14:09:30 powermacg5 kernel: gem0: device timeout >> May 24 14:09:30 powermacg5 kernel: gem0: link state changed to DOWN >> May 24 14:09:34 powermacg5 kernel: gem0: link state changed to UP >> >> The gem0 interface has a tendency to become unstable under heavy load. Rebooting alleviates it. >> >> Launching keepassxc (buildable thanks to Mark M's qt5-core patch) from a remote display seems to be a reliable trigger. >> >> This machine has some visible physical damage, so I wouldn't be surprised if it's a local hardware issue. It's reliable otherwise, though. > I do see the same on a machine (G5) without physical damage. So I guess it is a software issue. > > Best regards > Michael > Thanks for the feedback.  Is anyone still working on Mac G5 driver issues? This is not a major problem, but I'd be willing to help out if someone qualified is interested in fixing it.  I'm not qualified to take the lead, although I do have some experience with device drivers (DOS, embedded systems). -- Earth is a beta site.