Re: 11.2 Installer Issues on G5

Today I tried playing a bit more with the machine and found some curious
things that might be of interest:

1. To the best of my observation, the hang seems to happen only when
   there's some disk activity (pre-installer booting, partitioning,
   cheksumming and extracting the files, etc.).
2. Booting with set hw.ata.atapi_dma=0 and boot -v as per tingox's
   suggestion at https://sites.google.com/site/tingox/powermac_g5_freebsd
   seems to increase the chance that I get into the installer welcome
   page (the one with the Install/Shell/Live CD menu) successfully,
   but it doesn't help with the hangs inside the installer itself.
3. If I'm being lucky enough to get into the installer welcome page,
   I can choose "Live CD" and play with the provided shell without any
   problem... that is until I try to do something that touches the disk.
   I even tried to run several instances of yes(1) to put some load on
   the machine, and it runs just fine under the load.
4. Running two instances of yes(1) along with the installer seems to get
   rid of the hangs in the install process. Sadly, the problem is
   still present in the installed system.
5. The same drive (a 1 TB Seagate BarraCuda) works just fine with macOS.

Attached is the /var/run/dmesg.boot of a "Live CD" session.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday, September 3, 2018 9:56 AM, koa~ <[email protected]> wrote:

> So I tried booting the installer again and for some reason it worked,
> but the problem seems to exist in the installed system too.
> At random times it'd just hang while I'm using it and the red #7 LED
> will light up. There's no error messages or panics that I can see.

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