Eric Fesler wrote:
On Wed, 2003-07-30 at 23:38, Thomas Backlund wrote:
Viestiss� Keskiviikko 30 Hein�kuu 2003 23:23, Eric Fesler kirjoitti:
Hi,
I just installed Mandrake 9.1 on a Dell Inspiron 9.1 and I've got several issues:
I'm using the kernel linux-2.4.21-0.13mdkenterprise
1�) The harddisk is really slow : hdparm shows a transfer rate of 3.5Mb/s
I tried to activate the dma using the command: hdparm -c1d1 /dev/hdc
and I got the following output: /dev/hdc: setting 32-bit IO_support flag to 1 setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted IO_support = 1 (32-bit) using_dma = 0 (off)
2�) If I switch ACPI on in lilo.conf, the PC just freeze after having loaded the kernel I trued to recompile without APM and without APIC but then the PC reboot after having loaded the kernel
Any ideas how I can solve those issues. Issue 1 is the most important up to now.
get the latest security update kernel: linux-2.4.21-0.25mdkenterprise
and try again ;-)
Thomas
______________________________________________________________________
I did it already and I've got the same message.
I try with a 2.4.20 kernel (from kernel.org) and there it works !! (but I have some hardware issues).
Is there an issue with DMA in 2.4.21?
--Eric
One thing that occurs to me is that some hard drives, Western Digital, for instance, are flagged in the kernel wrt some issues. For example:
$ rpm -q --changelog kernel-2.4.21.0.17mdk | grep -i wd * put another WD disk in the ide-dma black list.
Some rationale: http://marc.theaimsgroup.com/?l=mandrake-cooker&m=101648329727381&w=2
You might try a search on your problem, specifying your hardware, at http://www.groups.google.com
Rolf
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