diff options
Diffstat (limited to 'sys-kernel/mips-sources/files/eblits/show_ip30_info-v5.eblit')
| -rw-r--r-- | sys-kernel/mips-sources/files/eblits/show_ip30_info-v5.eblit | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sys-kernel/mips-sources/files/eblits/show_ip30_info-v5.eblit b/sys-kernel/mips-sources/files/eblits/show_ip30_info-v5.eblit new file mode 100644 index 000000000000..d1fd4397103f --- /dev/null +++ b/sys-kernel/mips-sources/files/eblits/show_ip30_info-v5.eblit @@ -0,0 +1,56 @@ +# Copyright 1999-2016 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Id$ + +# Eblit with information/warnings for IP30 (Octane) users. +# +# If you need to add whitespace for formatting in 'einfo', 'ewarn', or 'eerror', use +# \040 for a space instead of the standard space. These functions will strip +# redundant white space. + +show_ip30_info() { + echo -e "" + eerror "Things that DON'T work:" + eerror "\t- Do not use CONFIG_SLUB, otherwise, you'll get errors when booting" + eerror "\t\040\040regarding duplicate /sys/kernel/slab/* entries in sysfs." + eerror "\t- Impact (MGRAS) Xorg driver no longer functions due to severe bitrot." + eerror "\t- Octane is limited to a maximum of 2GB of memory right now due to a" + eerror "\t\040\040hardware quirk in the BRIDGE PCI chip that limits BRIDGE DMA" + eerror "\t\040\040addresses to 31-bits when converted into physical addresses." + eerror "\t\040\040Patches that attempt to fix the issue are highly welcome." + echo -e "" + ewarn "Things that might work, but have problems, or are unknown:" + ewarn "\t- CONFIG_TRANSPARENT_HUGEPAGE should work now, but there may still be" + ewarn "\t\040\040intermittent issues. Additionally, CONFIG_HUGETLBFS must also be" + ewarn "\t\040\040selected for hugepages to work. If use of this feature continues" + ewarn "\t\040\040to trigger random Instruction Bus Errors (IBEs), then it is best to" + ewarn "\t\040\040disable the functionality and perform a cold reset of the machine" + ewarn "\t\040\040after powering it down for at least 30 seconds." + ewarn "\t- Serial support on the Octane uses a very basic UART driver that drives" + ewarn "\t\040\040the 16550A chip on the IOC3 directly. It does not use interrupts," + ewarn "\t\040\040only a polling routine on a timer, which makes it slow and CPU-" + ewarn "\t\040\040intensive. The baud rate is limited to no more than 38.4kbps on" + ewarn "\t\040\040this driver. Patches for getting the Altix IOC3 serial driver to" + ewarn "\t\040\040work (which uses DMA and supports faster baud rates) are welcome." + ewarn "\t- UHCI Cards are known to have issues, but should still function." + ewarn "\t\040\040This issue primarily manifests itself when using pl2303 USB->Serial" + ewarn "\t\040\040adapters." + ewarn "\t- MENET boards appear to have the four ethernet ports detected, however" + ewarn "\t\040\040the six serial ports don't appear to get picked up by the IOC3" + ewarn "\t\040\040UART driver. The NIC part number is also not read correctly" + ewarn "\t\040\040from the four Number-In-a-Cans. Additional testing would be" + ewarn "\t\040\040appreciated and patches welcome." + ewarn "\t- Other XIO-based devices, like various Impact addons, remain untested" + ewarn "\t\040\040and are not guaranteed to work. This applies to various digital" + ewarn "\t\040\040video conversion boards as well." + echo -e "" + einfo "Things that DO work:" + einfo "\t- SMP works again, celebrate!" + einfo "\t- Impact (MGRAS) console only." + einfo "\t- VPro (Odyssey) console only (no X driver exists yet)." + einfo "\t- PCI Card Cages should work for many devices, except certain types like" + einfo "\t\040\040PCI-to-PCI bridges (USB hubs, USB flash card readers for example)." + einfo "\t- SCSI, RTC, basic PCI, IOC3 Ethernet, keyboard, and mouse. Please" + einfo "\t\040\040report any problems with these devices." + echo -e "" +} |