Re: Update.1 690 very slow on B2-7 XO
The main problem with B2 is memory, not CPU speed. You can speed up your B2 machine by using the swap as the missing memory: * Plug a USB2 storage device * mkswap the device (mkswap /dev/sda1) * Activate the swap (swapon /dev/sda1) Technically, you can update fstab for automatic swap. Practically it's more complicated, and failed to automate the swap this way. Cheers, Zvi Jim Gettys wrote: On Wed, 2008-02-06 at 10:42 -0500, Stephen Bannasch wrote: We'ved ordered 2 of the G1G1 XOs for development at Concord Consortium but since they haven't arrived yet I installed Update.1 690 on one of our B2-7 XOs. The install completed and the system works but it is extremely slow -- many minutes to start applications or switch contexts (presumably because it only has 128MB of ram). Questions: * Is there anything we can do to speed up the B2-7 XO? No, we do not plan to support the B2's further. Every day, more MP systems get built than the sum of developer prototypes; it just doesn't make sense. Some things will eventually help B2's but we can't afford the testing time, so I expect things will stop working. I'm suprised you were able to install 690 on a B2 in the first place. * Are there any older services or configurations which need to be deleted or modified? * Is it possible to add more RAM? No. I did receive the G1G1 XO I ordered personally and both Eliza (9-yr old daughter) and I are very impressed. I'm looking forward to digging into the system. Glad you like it. - Jim ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Update.1 690 very slow on B2-7 XO
On Wed, 2008-02-06 at 10:42 -0500, Stephen Bannasch wrote: We'ved ordered 2 of the G1G1 XOs for development at Concord Consortium but since they haven't arrived yet I installed Update.1 690 on one of our B2-7 XOs. The install completed and the system works but it is extremely slow -- many minutes to start applications or switch contexts (presumably because it only has 128MB of ram). Questions: * Is there anything we can do to speed up the B2-7 XO? No, we do not plan to support the B2's further. Every day, more MP systems get built than the sum of developer prototypes; it just doesn't make sense. Some things will eventually help B2's but we can't afford the testing time, so I expect things will stop working. I'm suprised you were able to install 690 on a B2 in the first place. * Are there any older services or configurations which need to be deleted or modified? * Is it possible to add more RAM? No. I did receive the G1G1 XO I ordered personally and both Eliza (9-yr old daughter) and I are very impressed. I'm looking forward to digging into the system. Glad you like it. - Jim -- Jim Gettys One Laptop Per Child ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Update.1 690 very slow on B2-7 XO
We'ved ordered 2 of the G1G1 XOs for development at Concord Consortium but since they haven't arrived yet I installed Update.1 690 on one of our B2-7 XOs. The install completed and the system works but it is extremely slow -- many minutes to start applications or switch contexts (presumably because it only has 128MB of ram). Questions: * Is there anything we can do to speed up the B2-7 XO? * Are there any older services or configurations which need to be deleted or modified? * Is it possible to add more RAM? I did receive the G1G1 XO I ordered personally and both Eliza (9-yr old daughter) and I are very impressed. I'm looking forward to digging into the system. -- - Stephen Bannasch Concord Consortium, http://www.concord.org ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Update.1 690 very slow on B2-7 XO
Stephen, Your B2 will not run recent builds properly. It is suggested that you use the image bellow: http://dev.laptop.org/~quozl/build406.16/http://dev.laptop.org/%7Equozl/build406.16/ -- Ricardo Carrano On Feb 6, 2008 1:42 PM, Stephen Bannasch [EMAIL PROTECTED] wrote: We'ved ordered 2 of the G1G1 XOs for development at Concord Consortium but since they haven't arrived yet I installed Update.1 690 on one of our B2-7 XOs. The install completed and the system works but it is extremely slow -- many minutes to start applications or switch contexts (presumably because it only has 128MB of ram). Questions: * Is there anything we can do to speed up the B2-7 XO? * Are there any older services or configurations which need to be deleted or modified? * Is it possible to add more RAM? I did receive the G1G1 XO I ordered personally and both Eliza (9-yr old daughter) and I are very impressed. I'm looking forward to digging into the system. -- - Stephen Bannasch Concord Consortium, http://www.concord.org ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Update.1 690 very slow on B2-7 XO
At 4:49 PM -0200 2/6/08, Ricardo Carrano wrote: Stephen, Your B2 will not run recent builds properly. It is suggested that you use the image bellow: http://dev.laptop.org/%7Equozl/build406.16/http://dev.laptop.org/~quozl/build406.16/ -- Ricardo Carrano Thanks for the info Ricardo. Actually it's quite impressive how much does work. Many apps (Measure, Terminal, Piper, Calculator, Analyze, Memory, etc.) start, function, and stop -- slowly but without obvious error. Record gets to a certain point and hang with a green screen of death. EToys starts for a while and then just quietly goes away. Browse operates but then gets quite sluggish. I was just able to use Browse to find Implode. I downloaded it and ran it from Browse -- after quite a while both Browse and Implode were no longer active but I can then start and run Implode from Sugar. Here's what the boot directory on the USB Flash stick I was using to update the B2-7 XO looks like now: [/Volumes/OLPC1]$ ls -l boot total 609040 -rwxrwxrwx 1 stephen stephen 17239 Oct 23 13:05 olpc.fth -rwxrwxrwx 1 stephen stephen 21069 Jan 2 16:19 os656.crc -rwxrwxrwx 1 stephen stephen 306839552 Jan 2 16:19 os656.img -rwxrwxrwx 1 stephen stephen1048576 Feb 2 16:39 q2d12.rom -rwxrwxrwx 1 stephen stephen1559984 Oct 23 13:01 usbupgos.img -rwxrwxrwx 1 stephen stephen2333277 Oct 23 13:01 usbupgrd.img With regard to build406.16. Can I just replace os656.crc and os656.img in the boot dir on my USB flash stick with os406.icrc and os406.img and startup with it? Will build406.16 work with q2d12?___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Update.1 690 very slow on B2-7 XO
Stephen Bannasch wrote: With regard to build406.16. Can I just replace os656.crc and os656.img in the boot dir on my USB flash stick with os406.icrc and os406.img and startup with it? Will build406.16 work with q2d12? Q2D12 is compatible with all OS builds that have come out in recent memory. To downgrade to a lower numbered OS, you can type this command: ok copy-nand u:\os406.img (or copy-nand u:\boot\os406.img if you have put the file in the boot subdirectory) ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
