Attempted to install mono on a Arch Linux pogoplug and there were three references to Arch Linux ARM.com that do not exists and the install failed.
[root@alarm dev]# pacman -S mono
resolving dependencies...
looking for inter-conflicts...
Targets (20): libjpeg-8.3.0-1  libtiff-3.9.5-1  libpng-1.4.5-1  xcb-proto-1.6-2
              xproto-7.0.21-1  libxdmcp-1.1.0-1  libxau-1.0.6-1  libxcb-1.7-2
              kbproto-1.0.5-1  libx11-1.4.3-2  renderproto-0.11.1-1
              libxrender-0.9.6-1  freetype2-2.4.4-2  fontconfig-2.8.0-1
              pixman-0.20.2-1  cairo-1.10.2-2  giflib-4.1.6-4  libexif-0.6.20-1
              libgdiplus-2.10-1  mono-2.10.2-1
Total Download Size:    34.05 MB
Total Installed Size:   166.05 MB
Proceed with installation? [Y/n] y
:: Retrieving packages from extra...
 libjpeg-8.3.0-1-arm     171.6K  109.5K/s 00:00:02 [######################] 100%
 libtiff-3.9.5-1-arm     740.2K  109.4K/s 00:00:07 [######################] 100%
error: failed retrieving file 'libpng-1.4.5-1-arm.pkg.tar.xz' from Arch Linux ARM.com : Not Found
 xcb-proto-1.6-2-any      43.8K   82.7K/s 00:00:01 [######################] 100%
error: failed retrieving file 'xproto-7.0.21-1-any.pkg.tar.xz' from Arch Linux ARM.com : Not Found
 libxdmcp-1.1.0-1-arm     22.1K   65.6K/s 00:00:00 [######################] 100%
 libxau-1.0.6-1-arm        9.2K   70.6K/s 00:00:00 [######################] 100%
 libxcb-1.7-2-arm        238.3K  134.6K/s 00:00:02 [######################] 100%
 kbproto-1.0.5-1-any      21.7K  120.4K/s 00:00:00 [######################] 100%
 libx11-1.4.3-2-arm        2.1M   68.3K/s 00:00:31 [######################] 100%
 renderproto-0.11.1...    15.0K   91.6K/s 00:00:00 [######################] 100%
 libxrender-0.9.6-1-arm   19.3K   75.1K/s 00:00:00 [######################] 100%
 freetype2-2.4.4-2-arm   394.8K   90.8K/s 00:00:04 [######################] 100%
 fontconfig-2.8.0-1-arm  634.2K  103.4K/s 00:00:06 [######################] 100%
error: failed retrieving file 'pixman-0.20.2-1-arm.pkg.tar.xz' from Arch Linux ARM.com : Not Found
 cairo-1.10.2-2-arm      404.9K   90.3K/s 00:00:04 [######################] 100%
 giflib-4.1.6-4-arm       73.4K   67.3K/s 00:00:01 [######################] 100%
 libexif-0.6.20-1-arm    507.5K  119.9K/s 00:00:04 [######################] 100%
 libgdiplus-2.10-1-arm   164.0K  111.4K/s 00:00:01 [######################] 100%
 mono-2.10.2-1-arm        28.1M   96.5K/s 00:04:58 [######################] 100%
warning: failed to retrieve some files from extra
error: failed to commit transaction (Not Found)
Errors occurred, no packages were upgraded.
[root@alarm dev]#
			
		
