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| − | == ThinkPad T43 2687-DDU setup for Debian Etch == | + | == Who is Hmh? == |
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| − | This is an ongoing, spotty guide for an advanced {{Debian}} setup of a {{T43}}, focused on using absolutely all of its capabilities that can be used. It is not an installation guide, but rather a configuration guide. Refer to {{Debian}} for a list of pages with initial installation instructions.
| + | I am a Debian Developer for quite a few years now, and the current maintainer of [[ibm-acpi]]/[[thinkpad-acpi]], aka "ThinkPad ACPI Extras" Linux kernel driver for ThinkPad laptops. |
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| − | When it is really usable, I will move it to some other far more public place in [[ThinkWiki]].
| + | I am also involved with the [[tp_smapi]] and [[HDAPS]] Linux drivers, as a beta-tester and power-user. I don't list myself as a developer for those projects because I have never contributed a single line of code to them, just suggestions and bug reports ;-) |
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| − | Installing should be done using the latest Debian Etch debian-installer release. Anything else simply will not run on the ThinkPad.
| + | == My ThinkPads == |
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| − | === Kernel ===
| + | I own just a simple [[:Category:T43|T43]] model 2687-DDU. It is a great machine: a very solid ThinkPad, with its own set of annoying quirks just like any other IBM-era ThinkPad. The SATA-PATA bridge, tg3 noise at full network load, and lack of support for AHCI being the worst ones IMHO. |
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| − | Baseline kernel: Debian's latest 2.6.16 (2.6.16.17 with stabilization patches) {{NOTE|Thinkpad support is an ongoing, bleeding edge effort. One ends up needing to apply a ton of patches and to use the latest available kernel, sometimes even kernels not yet released}} {{HINT|The [http://members.optusnet.com.au/ckolivas/kernel/ Con Kolivas (ck) desktop kernel] patches might be very applicable to a ThinkPad Kernel}}
| + | == ping == |
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| − | ==== Patches employed ====
| + | This is a ping edit, to let Akw know I am still alive and to not purge my account ;-) |
| − | * Latest ipw2200 driver and ieee80211 layer:
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| − | :There are two ways to go about this: either '''disable''' IEEE 802.11 support (and thus ipw2200) in the kernel and build both modules out-of-tree (failure to do so will break the out-of-tree build), or update the kernel subsystems with more up-to-date files.
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| − | :The advantage of updating the kernel drivers instead of doing an out-of-tree build is that should there be any configuration options that require ieee80211 support, those will be available. On the other hand, it is a bit more difficult, as you will have to mess with Kconfig.
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| − | :* copied files over the in-kernel files in {{path|include/net}}, {{path|drivers/net/wireless}}, {{path|Documentation/networking}}, {{path|net/ieee80211}}, thus replacing the old drivers with the new ones.
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| − | :* ipw2200 often have extra options you need to enable, look in the toplevel Makefile and add them to {{path|drivers/net/wireless/Kconfig}}. They are usually bool types, so it is trivial to copy, e.g. IPW_DEBUG and rename to the new required options.
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| − | * [[Problems with SATA and Linux#Hang on resume from suspend to RAM|SATA power-management]]
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| − | * [[HDAPS|freeze-block-queue patch (for HDAPS)]]
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| − | * [http://acpi.sourceforge.net/download.html ACPI update patches]
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| − | * [[Tp smapi|TP SMAPI support]]
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| − | * [[Software Suspend 2]]
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| − | * [[Conexant HSF modem drivers#The Linuxant hsf driver|Linuxant Conexant HSF modem driver]]
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| − | * [[How to make use of IrDA#ISA PnP patch|nsc-ircc ISA PNP patch]]
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| − | ==== Kernel setup tasks ==== | + | == Links == |
| − | # Make sure the following subsystems are modules (for suspend/resume)
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| − | ## USB (especially EHCI_HCD and UHCI_HCD)
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| − | ## HDAPS (may work compiled in, as well)
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| − | # Make sure the following subsystems are enabled and not modules (safety net)
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| − | ## ThinkPad SMAPI
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| − | # Place the following modules on /etc/modules:
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| − | ## hdaps
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| − | ## nsc-ircc
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| − | ## tg3
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| − | ## ipw2200
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| − | # [[How to make use of IrDA#Kernel configuration|Configure IrDA module options]]
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| − | # ipw2200 firmware needs to go in {{path|/lib/firmware}}. The module should be given the led=1 module parameter option
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| − | === Userland ===
| + | * [[ibm-acpi|The Linux kernel ibm-acpi driver, which I currently maintain]] |
| − | | + | * [http://people.debian.org/~hmh/ My Debian.org homepage with some old stuff] |
| − | ==== Simple configuration issues ====
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| − | These are fairly simple minor things you might want to do:
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| − | ===== /etc/sysctl.conf =====
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| − | install the procps package. Add the following lines to /etc/sysctl.conf:
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| − | {{FIXME|nothing here yet}}
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| − | ===== /etc/sysfs.conf =====
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| − | | |
| − | install the sysfsutils package. Add the following lines to /etc/sysfs.conf
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| − | # ThinkPad battery charger defaults
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| − | devices/platform/smapi/BAT0/start_charge_tresh=40
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| − | devices/platform/smapi/BAT0/stop_charge_tresh=85
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| − | devices/platform/smapi/BAT1/start_charge_tresh=70
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| − | devices/platform/smapi/BAT1/stop_charge_tresh=90
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| − | | |
| − | ==== udev rules ====
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| − | # udev extended network interface naming needs to be configured, order of tg3/ipw2200 won't be respected if {{path|/etc/modules.conf}} is read after udev did the PCI coldplugging
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| − | | |
| − | ==== Software that needs packaging ====
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| − | {{NOTE|If nobody beats me to it, I will probably package them for official upload to Debian, and official Debian Sarge backports. This requires that the software be properly licensed first, of course}}
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| − | * hdapsd (a bit crude, needs a lot of work still) | |
| − | * ipw2200/ieee80211 need adopting, and since they clash terribly with in-kernel support, they will only work right if we either convert them to be patch-based, or to detect that the user built with in-kernel ieee80211/ipw2200 enabled and abort the out-of-tree compilation.
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| − | | |
| − | ==== Software that could benefit from re-packaging ====
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| − | * hsfmodem: should be easy to build out-of-tree in another machine other than the one it will be installed at
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| − | == External Links ==
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| − | * [http://www.debianhelp.co.uk/udev.htm udev interface naming guide] | |
| − | * [http://members.optusnet.com.au/ckolivas/kernel/ ck desktop-kernel patches]
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