Re: Tyan 2466 SMP lock with 2.4.21-rc1, HIGHMEM + heavy disk i/o

[Dirk Eddelbuettel]

On Sat, May 10, 2003 at 08:42:15AM -0500, Dirk Eddelbuettel wrote:
> 
> System:
>   Tyan 2466 MPX board, 2 Athlon 1800MP, bios 1.01 from March 2002
>   1 gb ram, ibm + maxtor ide disks, ide cdrom + cdrw 
>   ati rage 128, sb pci 128, on-board 3c905 nic, ps/2 mouse
>   no other cards
>   hardware configuration unaltered since June of last year
> 
> Enabling or disabling the HIGHME patch is enough to trigger/suppress
> hard locking.  When HIGHMEM is enabled, locking occurs very easily when
> trying to copy a (cloop-mounted) Knoppix image, or even when compiling
> a kernel.

As a follow-up, 2.4.21-rc2 looks fine so far. The only other change was to
enable support the proper mobo i/o chipset, which I should have done earlier.

Dirk

> I run fairly stock kernels (from Debian kernel source packages) with the 
> win4lin patch as the only external patch.  ACPI is disabled. Disk access is
> not tuned in any way, DMA gets enabled by default. 
> 
> Dirk
> 
> -- 
> Don't drink and derive. Alcohol and algebra don't mix.

-- 
Don't drink and derive. Alcohol and algebra don't mix.