Please keep the discussion on list. Did Florian's suggestion help?
----- Forwarded message from Anton Liaukevich <[EMAIL PROTECTED]> ----- User-Agent: Mozilla-Thunderbird 2.0.0.14 (X11/20080509) From: Anton Liaukevich <[EMAIL PROTECTED]> Date: Sun, 27 Jul 2008 16:32:52 +0300 To: Chris Bannister <[EMAIL PROTECTED]> Subject: Re: DMA is turned off on my HDD Chris Bannister wrote: > On Wed, Jul 23, 2008 at 08:59:09PM +0300, Anton Liaukevich wrote: >> Anton Liaukevich wrote: >>> In several days I discovered that DMA is turned off on my HDD (fsck >>> sayed it while Debian booting). Please, help me turn on DMA mode. >>> >>> My hardware: >>> motherboard: Epox 8RDA3I rev 3.3 (nForce 2 Ultra) >>> hdd: WD1200JB (ide, 120gb) >>> cpu: Sempron 2200 (k7) >>> >>> My software: >>> Debian lenny >>> kernel: linux 2.6.24-1-686 >>> bootloader: grub 0.97-41 >>> >>> >> Today I upgraded my linux kernel to 2.6.25-2-686, but problem hasn't >> been solved yet. > > All I can suggest is: > > In the file /boot/grub/menu.lst, edit the line: > # kopt=root=/dev/hda1 ro > > to read: > # kopt=root=/dev/hda1 dma=on ro > > of course make sure that "/dev/hda1" is correct for your setup. If you > only have one HDD installed then it probably is already correct. > > Then run update-grub > > Install hdparm: > aptitude install hdparm > > reboot > > then run: > hdparm /dev/hda > > and see if dma is turned on, e.g: > > [EMAIL PROTECTED]:~# hdparm /dev/hda > [..] > using_dma = 1 (on) > [..] > > If instead, it outputs "using_dma = 0 (off)" then I'm sorry, but I > am unable to help further. You may want to run the hdparm command BEFORE > you edit your menu.lst to ensure that the dma is actually off and you > are not being deceived in some way. :-) > I have changed /boot/grub/menu.lst as you said: # kopt=root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro Now, after update-grub command, all my boot stanzas have 'dma=on' options. For example: title Debian GNU/Linux, kernel 2.6.25-2-686 root (hd0,2) kernel /boot/vmlinuz-2.6.25-2-686 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro initrd /boot/initrd.img-2.6.25-2-686 savedefault Unfortunately, DMA hasn't turned on after system reboot (I has checked it using hdparm). Additionally, I give you full menu.lst file in attachment. # menu.lst - See: grub(8), info grub, update-grub(8) # grub-install(8), grub-floppy(8), # grub-md5-crypt, /usr/share/doc/grub # and /usr/share/doc/grub-legacy-doc/. ## default num # Set the default entry to the entry number NUM. Numbering starts from 0, and # the entry number 0 is the default if the command is not used. # # You can specify 'saved' instead of a number. In this case, the default entry # is the entry saved with the command 'savedefault'. # WARNING: If you are using dmraid do not change this entry to 'saved' or your # array will desync and will not let you boot your system. default saved ## timeout sec # Set a timeout, in SEC seconds, before automatically booting the default entry # (normally the first entry defined). timeout 10 # Pretty colours color cyan/blue white/blue ## password ['--md5'] passwd # If used in the first section of a menu file, disable all interactive editing # control (menu entry editor and command-line) and entries protected by the # command 'lock' # e.g. password topsecret # password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/ # password topsecret password --md5 $1$kLE2a$kaeh1q3GPQC38zBZB3IG7. # # examples # # title Windows 95/98/NT/2000 # root (hd0,0) # makeactive # chainloader +1 # # title Linux # root (hd0,1) # kernel /vmlinuz root=/dev/hda2 ro # # # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST ### BEGIN AUTOMAGIC KERNELS LIST ## lines between the AUTOMAGIC KERNELS LIST markers will be modified ## by the debian update-grub script except for the default options below ## DO NOT UNCOMMENT THEM, Just edit them to your needs ## ## Start Default Options ## ## default kernel options ## default kernel options for automagic boot options ## If you want special options for specific kernels use kopt_x_y_z ## where x.y.z is kernel version. Minor versions can be omitted. ## e.g. kopt=root=/dev/hda1 ro ## kopt_2_6_8=root=/dev/hdc1 ro ## kopt_2_6_8_2_686=root=/dev/hdc2 ro # kopt=root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro ## default grub root device ## e.g. groot=(hd0,0) # groot=(hd0,2) ## should update-grub create alternative automagic boot options ## e.g. alternative=true ## alternative=false # alternative=true ## should update-grub lock alternative automagic boot options ## e.g. lockalternative=true ## lockalternative=false # lockalternative=true ## additional options to use with the default boot option, but not with the ## alternatives ## e.g. defoptions=vga=791 resume=/dev/hda5 # defoptions= ## should update-grub lock old automagic boot options ## e.g. lockold=false ## lockold=true # lockold=true ## Xen hypervisor options to use with the default Xen boot option # xenhopt= ## Xen Linux kernel options to use with the default Xen boot option # xenkopt=console=tty0 ## altoption boot targets option ## multiple altoptions lines are allowed ## e.g. altoptions=(extra menu suffix) extra boot options ## altoptions=(single-user) single # altoptions=(single-user mode) single ## controls how many kernels should be put into the menu.lst ## only counts the first occurence of a kernel, not the ## alternative kernel options ## e.g. howmany=all ## howmany=7 # howmany=all ## should update-grub create memtest86 boot option ## e.g. memtest86=true ## memtest86=false # memtest86=true ## should update-grub adjust the value of the default booted system ## can be true or false # updatedefaultentry=false ## should update-grub add savedefault to the default options ## can be true or false # savedefault=true ## ## End Default Options ## title Debian GNU/Linux, kernel 2.6.25-2-686 root (hd0,2) kernel /boot/vmlinuz-2.6.25-2-686 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro initrd /boot/initrd.img-2.6.25-2-686 savedefault title Debian GNU/Linux, kernel 2.6.25-2-686 (single-user mode) lock root (hd0,2) kernel /boot/vmlinuz-2.6.25-2-686 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro single initrd /boot/initrd.img-2.6.25-2-686 savedefault title Debian GNU/Linux, kernel 2.6.24-1-686 lock root (hd0,2) kernel /boot/vmlinuz-2.6.24-1-686 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro initrd /boot/initrd.img-2.6.24-1-686 savedefault title Debian GNU/Linux, kernel 2.6.24-1-686 (single-user mode) lock root (hd0,2) kernel /boot/vmlinuz-2.6.24-1-686 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro single initrd /boot/initrd.img-2.6.24-1-686 savedefault title Debian GNU/Linux, kernel 2.6.24-1-486 lock root (hd0,2) kernel /boot/vmlinuz-2.6.24-1-486 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro initrd /boot/initrd.img-2.6.24-1-486 savedefault title Debian GNU/Linux, kernel 2.6.24-1-486 (single-user mode) lock root (hd0,2) kernel /boot/vmlinuz-2.6.24-1-486 root=UUID=683f90cf-5af5-4946-b90d-c69541f15966 dma=on ro single initrd /boot/initrd.img-2.6.24-1-486 savedefault ### END DEBIAN AUTOMAGIC KERNELS LIST # This is a divider, added to separate the menu items below from the Debian # ones. title Other operating systems: root # This entry automatically added by the Debian installer for a non-linux OS # on /dev/hda1 title Microsoft Windows XP Professional root (hd0,0) savedefault makeactive chainloader +1 ----- End forwarded message ----- -- Chris. ====== "One, with God, is always a majority, but many a martyr has been burned at the stake while the votes were being counted." -- Thomas B. 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