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x86_64 software issues part 1

Posted 03-06-2012 at 09:39 AM by Rod3775

This was my first experience with 64 bit software. I did a stock install of Slackware64, and ran into the following issues:
(a) wpa_supplicant could not reauthenticate after a disconnect.
(b) wmctrl did not work correctly (could not return window list)
(a) I tried to patch wpa_cli to monitor wpa_supplicant and restart it, and discovered that when it is compiled with -O2 (as specified in its Makefile), gcc-4.5.2 compiled bad code - the return value of a function returning...

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Intel DP67BG motherboard issues, pt 2

Posted 03-05-2012 at 07:23 PM by Rod3775

Tags linux drivers, wireless, wpa_supplicant

The wireless dongle that comes with the DP67BG has the USB ids for an MSI 3070. It contains a Ralink 2870 chip, which is not really very documented. Slackware64 comes with dueling drivers for it. Loading both is a bad idea. The ra2870sta driver needs to be blacklisted in /etc/modprobe.d/blacklist.conf. The ra2x00/ra2860 set of modules (4 in all) will be loaded. Needless to say, you need to go to the modular kernel to make all this work!

At this writing, there are problems keeping...

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Intel DP67BG motherboard issues - pt 1

Posted 03-05-2012 at 07:11 PM by Rod3775

Tags hardware monitoring, intel, motherboard

This motherboard comes with a wireless dongle for connection to an internal USB header, cable included. It also comes with enough SATA cables for army (at least in the retail package). The metal backplate that goes around the external connectors is very fat a springy, and I had to pre-mash it in order to mount the motherboard in my tower. The wireless dongle stays inside the case, and must be mounted on a plastic surface so the signal can get out. Unfortunately, my tower has only metal panels for...

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64 bit bootstrap

Posted 03-05-2012 at 06:59 PM by Rod3775

Tags ext4, solid state disk

I started my new machine using an existing 32bit Slackware installation disk. I got it running enough to ftp via a hardwired Ethernet cable to my old machine, copied the Slackware 64 bit ISO to the new machine and burned it on a DVD. Slackware64 only comes as a DVD, and my old machine could only burn CDs. I did a full install from the DVD in a second partition. It is important right from the start to use the ext4 filesystem (default on Slack64) and set the fstab option 'discard'. SSDs do internal...

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Notes on building a 64 bit slackware machine

Posted 03-05-2012 at 06:45 PM by Rod3775

Tags 64 bit, configuration, hardware

I just bought a bunch of parts and built a 64 bit machine:
Intel Core i5-2500k processor
Intel DP67BG motherboard
8GB DDR3 memory
120GB Solid State Disk (SATA 6Gb/sec)
DVD writer (SATA 1.5 Gb/s)
MSI 3070 wireless dongle (comes with motherboard)
Geforce 8400GS PCI-e video card

I am running the Slackware64-13.37 stable release on it, and discovered a bunch of things that others might find helpful. Subsequent entries will discuss each...

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