version 1.40, 2001/09/08 03:25:17 |
version 1.41, 2002/12/28 16:16:35 |
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<title>OpenBSD/powerpc</title> |
<title>OpenBSD/macppc</title> |
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<h2><font color="#e00000">powerpc</font><hr></h2> |
<h2><font color="#e00000">OpenBSD/powerpc</font></h2> |
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<h3><font color="#0000e0">Supported Hardware:</font></h3> |
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<p> |
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Currently only New World machines are supported. |
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To improve the list below, <b>please</b> mail your dmesg after |
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installation to <a href="mailto:dmesg@openbsd.org">dmesg@openbsd.org</a>, |
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as detailed <a href="faq/faq4.html#4.5">in the FAQ</a>. |
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<b>Machines</b> |
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<ul> |
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<li>PowerMac G4 |
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<li>PowerMac Dual G4 |
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<li>PowerMac G4 Cube |
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<li>iMac Rev A |
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<li>iMac Rev B |
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<li>iMac Rev C |
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<li>iMac DV |
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<li>iMac DV+ |
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<li>PowerBook G3 (FireWire) |
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<li>PowerBook G4 |
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<li>iBook <i>(only limited testing)</i> |
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<li>StarMax <i>(development in progress)</i> |
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<li>others... <i>(development in progress)</i> |
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</ul> |
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<b>Onboard I/O modules</b> (obio) |
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<ul> |
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<li>Apple Paddington |
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<li>Apple Keylargo |
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</ul> |
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<b>PCI-Bridges</b> (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pchb&sektion=4">pchb</a>) |
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<ul> |
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<li>Apple Uni-North |
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<li>Apple Uni-North AGP |
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<li>Apple Uni-North Eth |
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<li>Motorola MPC106 Host-PCI |
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</ul> |
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<b>Video Cards</b> |
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<ul> |
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<li>ATI Mach64 GP |
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<li>ATI Mach64 GV |
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<li>ATI Mach64 128 PK |
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<li>ATI Mach64 128 VR AGP |
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<li>ATI Mobility M3 |
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<li>ATI Rage Fury AGP4x |
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</ul> |
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<p><b>Ethernet</b> |
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<ul> |
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<li>DEC DECchip 21040 (Tulip) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=de&sektion=4">de</a>) |
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<li>Apple iMac Rev. A-C Ethernet (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bm&sektion=4&arch=powerpc">bm</a>) |
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<li>Apple GMAC (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=gm&sektion=4&arch=powerpc">gm</a>) |
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</ul> |
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<b>Wireless Ethernet Adapters</b><p> |
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<ul> |
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<li>Aironet 802.11DS PCMCIA and PCI (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=an&sektion=4">an</a>) |
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<li>WaveLAN 802.11DS PCMCIA (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wi&sektion=4">wi</a>) |
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</ul> |
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<p> |
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<p><b>SCSI Host Adapters</b> |
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<ul> |
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<li>Symbios Logic 53c810, 53c825 (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=siop&sektion=4">siop</a>) |
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</ul> |
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<p><b>RAID Controllers</b> |
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<ul> |
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<li>Adaptec SCSI RAID (<a href="http://www.intelligent-io.com/">I2O</a>) controllers (ASR-2100S, ASR-3200S, etc.) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=iop&sektion=4">iop</a>) |
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</ul> |
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<p><b>Drives</b> |
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<ul> |
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<li>All IDE devices supported on the <a href="i386.html">i386</a>. |
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<li>All ATAPI drives supported on the <a href="i386.html">i386</a>. |
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<li>All SCSI drives supported on the <a href="i386.html">i386</a>. |
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</ul> |
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<p><b>USB Controllers/Hubs</b> |
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<ul> |
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<li>Apple USB (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>) |
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<li>OHCI root hub (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>) |
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<li>Opti RM861HA (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>) |
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<li>Alps Electric Hub in Apple USB Keyboard |
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</ul> |
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<p><b>USB Devices</b> |
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<ul> |
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<li>Alps Electric Apple USB Keyboard (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ukbd&sektion=4">ukbd</a>) |
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<li>Solid Year Keyboard and Mouse (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ukbd&sektion=4">ukbd</a>) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>) |
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<li>Logitech M4848 (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>) |
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<li>Kensington Kensington USB/PS2 Wheel Mouse (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>) |
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<li>USB Zip Drives (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=umass&sektion=4">umass</a>) <i>known problem with booting while attached</i> |
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</ul> |
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<hr> |
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<p> |
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<a name="#unsup"><h3><font color=#0000e0>Unsupported Hardware:</font></h3></a> |
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<ul> |
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<li> |
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Support for older PREP style machines has been removed; lack of |
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availability of the hardware and relatively slow speed compared to more |
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recent machines has contributed to this decision. |
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<li> |
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Apple PowerMac systems with a 601 processor or lack OpenFirmware |
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will likely never be supported. |
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<li> |
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At the current time, older OpenFirmware machines are not supported. |
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This is mostly due to lack of developer resources to work on the support |
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in addition to limited availability of hardware. |
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<li>On the device side, the following are recognized, but not supported: |
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<ul> |
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<li>Texas Instruments TSB12LV23 FireWire |
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</ul> |
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</ul> |
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<h3><font color="#0000e0">Shared HFS disks:</font></h3> |
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It is possible to share a disk between MacOS (OS X?) and OpenBSD. |
The OpenBSD/powerpc port has been renamed to |
MacOS must be installed first, and an Unused partition or other free |
<a href="macppc.html">OpenBSD/macppc</a> for OpenBSD 3.0. |
partition can then be used to install OpenBSD. |
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If a shared disk is to be used and be bootable, the bootloader "ofwboot" |
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must be copied onto the first HFS partition. |
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It is unknown if Openfirmware can load the OpenBSD bootloader from the |
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MacOS X FFS partition. |
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See INSTALL.powerpc for more details on how to install a shared disk. |
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<h3><font color="#0000e0">Root Drive:</font></h3> |
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<p> |
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With multiple drives installed in the system, only certain drives can |
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be configured as an OpenBSD root drive. Any other configurations than |
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those below will not be able to properly detect which drive is the root |
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drive, and so any attempt with either prompt for a root drive, or fail. |
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<p> |
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<ul> |
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<li><tt>ultra0</tt> is always fine to use as an root drive. |
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<li><tt>ultra1</tt> is fine to use as a root disk (as long as <tt>ultra0</tt> |
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is a hard drive, not ATAPI). |
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<li>If no hard drive is located at <tt>ultra1</tt>, it is possible to use a |
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hard drive configured as <tt>ide1</tt> (zip bay) as root drive. |
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<li>It is not possible to use <tt>ide0</tt> (CD-ROM) as a root drive unless |
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no drives are connected to the Ultra IDE bus. |
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</ul> |
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<h3><font color="#0000e0">X Resolution:</font></h3> |
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<p> |
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The current X server has no mechanism to change the resolution |
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of the display. To change the resolution, it is necessary to boot MacOS |
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and change to the desired resolution under MacOS. It will save that |
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resolution and OpenFirmware will boot in that resolution until connected |
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to a different monitor. The X server will run in whatever resolution |
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OpenFirmware boots in. |
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<hr> |
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<p>If you are looking for to test new pre-release features, you can |
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try one of the snapshots. |
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For the powerpc architecture, <a href="ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/powerpc">snapshots</a> are made available from time to time. |
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<h3><font color="#0000e0">History:</font></h3> |
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<p> |
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The powerpc port was first imported into OpenBSD at the end of 1996. |
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Portions of the kernel came from the NetBSD/macppc port, and the |
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userland and build pieces came from |
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<a href="mailto:drahn@openbsd.org">Dale Rahn</a>. |
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<p> |
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Dale added ELF binary support, and then work with Per Fogelstrom |
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continued on general driver support for the next few releases. |
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Support was added for OpenFirmware, VI Power4e boards, MCG Powerstack |
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machines, DEC 21040, VGA terminal support, and so on. |
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<p> |
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In 1998, the focus shifted towards the Apple machines, and Dale Rahn |
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started work to make the range of iMacs and PowerMacs work with this port. |
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Due to this, official powerpc releases were not made for the 2.6 and 2.7 |
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releases as work continued. A number of compiler loader issues were resolved, |
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iMac driver support was added, and compatibility with older systems |
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was withdrawn to fully concentrate on the Apple machines. |
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<p> |
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OpenBSD/powerpc 2.8 supported Apple hardware. |
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<p> |
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For 2.9, powerpc has moved to UVM, this change has fixed the |
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corrupted shared library "pmap" bug that was rather pervasive for 2.8. |
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<p> |
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<h3><font color="#0000e0">Known Problems</font></h3> |
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The adb keyboard driver, on the iBook and Titanium Powerbook G4, |
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has problems such that some keystrokes can cause crashes. This |
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problem is mostly constrained to multiple keypresses involving the |
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<code>Fn</code> key. Also note that <CTRL><CMD><POWER> will |
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reset the machine. |
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<p> |
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USB Hot-Plug detection problems exist on many of the newer systems. |
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This problem only exists with the root hub on systems which have only |
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one port per root hub, G4 tower systems, PowerBook G4, newer iMacs. |
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These systems configure with both ohci0 and ohci1. |
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<hr> |
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Contact |
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<a href="mailto:deraadt@openbsd.org">Theo de Raadt</a> or |
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<a href="mailto:drahn@openbsd.org">Dale Rahn</a> |
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if you are interested in working with other people on this, or need more |
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information. |
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</p> |
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