Ubuntu Utopic Installation Guide - Revision history

78.0.14.22 at 02:08, 11 July 2015

2015-07-11T02:08:12Z

← Older revision		Revision as of 02:08, 11 July 2015
Line 208:		Line 208:
	(what means when IOMMU gonna be disabled Crossfire will be supported on this platform)		(what means when IOMMU gonna be disabled Crossfire will be supported on this platform)
	or you can find this kernel message,too:		or you can find this kernel message,too:
			"... [fglrx] Disable IOMMU in BIOS options or kernel boot parameters to support CF"
	"Disable IOMMU in BIOS options or kernel boot parameters to support CF"

	Minimum do fast check with:(mostly only valid for amd cpu motherboards)		Minimum do fast check with:(mostly only valid for amd cpu motherboards)

78.0.14.22 at 02:04, 11 July 2015

2015-07-11T02:04:00Z

← Older revision		Revision as of 02:04, 11 July 2015
Line 208:		Line 208:
	(what means when IOMMU gonna be disabled Crossfire will be supported on this platform)		(what means when IOMMU gonna be disabled Crossfire will be supported on this platform)
	or you can find this kernel message,too:		or you can find this kernel message,too:

	"Disable IOMMU in BIOS options or kernel boot parameters to support CF"		"Disable IOMMU in BIOS options or kernel boot parameters to support CF"

78.0.14.22: add two usually displayed kernel message as proof why and what stop CF to be enabled

2015-07-11T01:53:03Z

add two usually displayed kernel message as proof why and what stop CF to be enabled

← Older revision		Revision as of 01:53, 11 July 2015
Line 200:		Line 200:
	== How to enable CrossFire manually in terminal ==		== How to enable CrossFire manually in terminal ==
	note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..		note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..
	(non amd cpu motherboard can have under other names(hints: Calgary,VT),but on AMD CPU Motherboards setting of that hardware device is		(non amd cpu motherboard can have it under other names(hints: Calgary,VT),but on AMD CPU Motherboards setting of that hardware device is
	located under North Bridge section in Bios if you have ~~in onboard~~.		located under North Bridge section in Bios if you have it on your motherboard.
	So i recommend to first check all pci devices with,spec. if you are unfamiliar with Bios or simply don't want to open it, if is not necessary ...		So i recommend to first check all pci devices with,spec. if you are unfamiliar with Bios or simply don't want to open it, if is not necessary ...
	lspci		lspci

78.0.14.22: /* How to enable CrossFire manually in terminal */

2015-07-11T01:50:38Z

How to enable CrossFire manually in terminal

← Older revision		Revision as of 01:50, 11 July 2015
Line 200:		Line 200:
	== How to enable CrossFire manually in terminal ==		== How to enable CrossFire manually in terminal ==
	note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..		note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..
	(non amd cpu motherboard can have under other names(hints: Calgary,VT),but on AMD ~~cpu motherboard~~ that is		(non amd cpu motherboard can have under other names(hints: Calgary,VT),but on AMD CPU Motherboards setting of that hardware device is
	located under North Bridge section in Bios.		located under North Bridge section in Bios if you have in onboard.
	so i recommend to first check all pci devices with		So i recommend to first check all pci devices with,spec. if you are unfamiliar with Bios or simply don't want to open it, if is not necessary ...
	lspci		lspci
	and then try this procedure ,and after take a look on ~~logs,and~~ kernel messages as there is usually this message as reason and explanation for non-success:		and then try this procedure ,and after take a look on kernel messages as there is usually this message as reason and explanation for non-success:
	"... [fglrx] IOMMU is enabled, CrossFire are not supported on this platform"		"... [fglrx] IOMMU is enabled, CrossFire are not supported on this platform"
			(what means when IOMMU gonna be disabled Crossfire will be supported on this platform)
			or you can find this kernel message,too:
			"Disable IOMMU in BIOS options or kernel boot parameters to support CF"

	~~or at minimum~~ do fast check with:(mostly only valid for amd cpu motherboards)		Minimum do fast check with:(mostly only valid for amd cpu motherboards)
	lspci \| grep IOMMU		lspci \| grep IOMMU
	then if you do not find noting similar to:		then if you do not find noting similar to:
	IOMMU: Advanced Micro Devices, Inc. [AMD/ATI] RD990 I/O Memory Management Unit (IOMMU)		IOMMU:
			(one of examples :"Advanced Micro Devices, Inc. [AMD/ATI] RD990 I/O Memory Management Unit (IOMMU)")
	as if you find it,you will need to disable it,in Bios..and that is usually not enough in some cases,and can lead to need to recompile your kernel ,as with simple disabling you can lost support to usb mouse and usb keyboard(easy simple "dirty" workaround is to use ps2 keyboard,and if your motherboard have two ps2 ports ,you can use ps2 connection to usb keyboard and ps2 connection to usb mouse,otherwise, you was warned in advance!		as if you find it,you will need to disable it,in Bios..and that is usually not enough in some cases,and can lead to need to recompile your kernel ,as with simple disabling you can lost support to usb mouse and usb keyboard(easy simple "dirty" workaround is to use ps2 keyboard,and if your motherboard have two ps2 ports ,you can use ps2 connection to usb keyboard and ps2 connection to usb mouse,otherwise, you was warned in advance!
	note:not all usb keyboard those days can work with usb to ps2 adapters,but some can,and ps2 keyboards are really cheapest ones.		note:not all usb keyboard those days can work with usb to ps2 adapters,but some can,and ps2 keyboards are really cheapest ones.

78.0.14.22: added bios section where is usually located IOMMU settings

2015-07-11T01:37:38Z

added bios section where is usually located IOMMU settings

← Older revision		Revision as of 01:37, 11 July 2015
Line 199:		Line 199:

	== How to enable CrossFire manually in terminal ==		== How to enable CrossFire manually in terminal ==
	note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..so i recommend to first check all pci devices with		note : up to now ,as i know IOMMU need to be switched off ,best if IOMMU was "off"in bios when you was doing last installation of Ubuntu.. (some motherboards have that device,most older do not have it) so check your case with "lspci" and take a look in your Bios..
	lspci		(non amd cpu motherboard can have under other names(hints: Calgary,VT),but on AMD cpu motherboard that is
	or at minimum do fast check with:		located under North Bridge section in Bios.
			so i recommend to first check all pci devices with
			lspci
			and then try this procedure ,and after take a look on logs,and kernel messages as there is usually this message as reason and explanation for non-success:
			"... [fglrx] IOMMU is enabled, CrossFire are not supported on this platform"

			or at minimum do fast check with:(mostly only valid for amd cpu motherboards)
	lspci \| grep IOMMU		lspci \| grep IOMMU
	then if you do not find noting similar to:		then if you do not find noting similar to:

78.0.14.22: /* How to enable CrossFire manually in terminal */

2015-07-11T01:05:20Z

How to enable CrossFire manually in terminal

← Older revision		Revision as of 01:05, 11 July 2015
Line 214:		Line 214:
	if that is adapter 0 and 1 then ,just proceed,to add crossfire chain,this way		if that is adapter 0 and 1 then ,just proceed,to add crossfire chain,this way
	sudo amdconfig --cfa --adapter=0,1		sudo amdconfig --cfa --adapter=0,1
	(i read that some reported that they need to reboot now,~~some~~ get ~~same result with only one final reboot..~~)		(i read that some people reported that they need to reboot now,after this step to get success)
	then activate crossfire		then activate crossfire
	sudo amdconfig --cf on --adapter=0,1		sudo amdconfig --cf on --adapter=0,1
Line 226:		Line 226:
	this is valid ,when you install driver for just one adapter,same like in manual above		this is valid ,when you install driver for just one adapter,same like in manual above

	just to be sure ,you can anytime check crossfire status with		just to be sure ,you can anytime check crossfire status with:

	CrossFire Diagnostics:		CrossFire Diagnostics:
	amdconfig --lscs		amdconfig --lscs

	note message if crossfire is enabled or disabled on current device!		note message if crossfire is enabled or disabled on current device!

	note mesage about how CrossFire can work on your particular system,		note mesage about how CrossFire can work on your particular system,
	most will get just:		most will get just:

78.0.14.22: /* How to enable CrossFire manually in terminal */

2015-07-11T00:52:26Z

How to enable CrossFire manually in terminal

← Older revision		Revision as of 00:52, 11 July 2015
Line 213:		Line 213:
	amdconfig --lsa		amdconfig --lsa
	if that is adapter 0 and 1 then ,just proceed,to add crossfire chain,this way		if that is adapter 0 and 1 then ,just proceed,to add crossfire chain,this way
	amdconfig --cfa --adapter=0,1		sudo amdconfig --cfa --adapter=0,1
	(i read that some reported that they need to reboot now,some get same result with only one final reboot..)		(i read that some reported that they need to reboot now,some get same result with only one final reboot..)
	then activate crossfire		then activate crossfire
	amdconfig --cf on --adapter=0,1		sudo amdconfig --cf on --adapter=0,1
	reboot,check increased performance in some benchmark (hint:basic version of popular windows benchmark for games --> Unigine Heaven is free for Ubuntu ) and enjoy		reboot,
			sudo reboot
			check increased performance in some benchmark (hint:basic version of popular windows benchmark for games --> Unigine Heaven is free for Ubuntu ) and enjoy
	comparing and improving performance..		comparing and improving performance..

78.0.14.22: /* How to enable CrossFire manually in terminal */

2015-07-11T00:49:14Z

How to enable CrossFire manually in terminal

← Older revision		Revision as of 00:49, 11 July 2015
Line 205:		Line 205:
	then if you do not find noting similar to:		then if you do not find noting similar to:
	IOMMU: Advanced Micro Devices, Inc. [AMD/ATI] RD990 I/O Memory Management Unit (IOMMU)		IOMMU: Advanced Micro Devices, Inc. [AMD/ATI] RD990 I/O Memory Management Unit (IOMMU)
	as if you find it,you will need to disable it,in Bios..and that is usually not enough in some cases,and can lead to need to recompile your kernel ,as with simple disabling you can lost support to usb mouse and usb keyboard(easy simple "dirty" workaround is to use ps2 keyboard,and if your motherboard have two ps2 ports ,you can use ps2 connection to usb keyboard and ps2 connection to usb mouse,otherwise, you was warned in advance! ~~on mine 1st~~ with ~~IOMMU hardware built in~~, ~~is just one~~ ps2.~~.ouch! )~~		as if you find it,you will need to disable it,in Bios..and that is usually not enough in some cases,and can lead to need to recompile your kernel ,as with simple disabling you can lost support to usb mouse and usb keyboard(easy simple "dirty" workaround is to use ps2 keyboard,and if your motherboard have two ps2 ports ,you can use ps2 connection to usb keyboard and ps2 connection to usb mouse,otherwise, you was warned in advance!
			note:not all usb keyboard those days can work with usb to ps2 adapters,but some can,and ps2 keyboards are really cheapest ones.

	so now, after you know AMD proven facts which can prevent CrossFire to be Enabled,and you are sure that you don't have IOMMU as hardware device ,or is already disabled,you are safe to proceed further:		so now, after you know AMD proven facts which can prevent CrossFire to be Enabled,and you are sure that you don't have IOMMU as hardware device ,or is already disabled,you are safe to proceed further:

78.0.14.22: adding full name for recommended benchmark tool which work and is used on windows and all linux platforms

2015-07-10T21:13:29Z

adding full name for recommended benchmark tool which work and is used on windows and all linux platforms

← Older revision		Revision as of 21:13, 10 July 2015
Line 216:		Line 216:
	then activate crossfire		then activate crossfire
	amdconfig --cf on --adapter=0,1		amdconfig --cf on --adapter=0,1
	reboot,check increased performance in some benchmark (Heaven for Ubuntu) and enjoy		reboot,check increased performance in some benchmark (hint:basic version of popular windows benchmark for games --> Unigine Heaven is free for Ubuntu ) and enjoy
			comparing and improving performance..

	this is valid for two separated single gpu card,but is similar on two gpu on one card,where crossfire is automatically enabled..and in similar way you can add third card to chain..or CrossFire two dual gpu cards, what is called quad CrossFire...		this is valid for two separated single gpu card,but is similar on two gpu on one card,where crossfire is automatically enabled..and in similar way you can add third card to chain..or CrossFire two dual gpu cards, what is called quad CrossFire...

78.0.14.22: add info about adding 3rd card to crossfire chain and info about quad CrossFire of two dual gpu cards

2015-07-10T20:42:41Z

add info about adding 3rd card to crossfire chain and info about quad CrossFire of two dual gpu cards

← Older revision		Revision as of 20:42, 10 July 2015
Line 218:		Line 218:
	reboot,check increased performance in some benchmark (Heaven for Ubuntu) and enjoy		reboot,check increased performance in some benchmark (Heaven for Ubuntu) and enjoy

	this is valid for two separated single gpu card,but is similar on two gpu on one card,where crossfire is automatically enabled..		this is valid for two separated single gpu card,but is similar on two gpu on one card,where crossfire is automatically enabled..and in similar way you can add third card to chain..or CrossFire two dual gpu cards, what is called quad CrossFire...

	this is valid ,when you install driver for just one adapter,same like in manual above		this is valid ,when you install driver for just one adapter,same like in manual above