On Wednesday November 13, francesco.gringoli@ing.unibs.it wrote:
> Hi all,
>
> I have just installed Debian Woody on a Ultra5 box:
> I spanned a Raid1 volume across two ide disks:
...
> AND...
>
> when the construction of the volume finishes I can't do
> ANYTHING on the volume. e.g. if I try to mount it I get:
>
> data_access_exception: SFSR[0000000000801009] SFAR[fffff80338e39efc], going.
> \|/ ____ \|/
> "@'/ .. \`@"
> /_| \__/ |_\
> \__U_/
Known compiler problem. Fixed in 2.4.20-rc1. Relevant diff is below.
NeilBrown
--- stable-19r/drivers/md/raid1.c 2002-08-13 14:05:04.000000000 +1000
+++ stable-20rc1/drivers/md/raid1.c 2002-11-05 11:45:49.000000000 +1100
@@ -23,6 +23,7 @@
*/
#include <linux/module.h>
+#include <linux/config.h>
#include <linux/slab.h>
#include <linux/raid/raid1.h>
#include <asm/atomic.h>
@@ -522,6 +523,10 @@
if (conf->sect_count >= conf->mirrors[new_disk].sect_limit) {
conf->sect_count = 0;
+#if defined(CONFIG_SPARC64) && (__GNUC__ == 2) && (__GNUC_MINOR__ == 92)
+ /* Work around a compiler bug in egcs-2.92.11 19980921 */
+ new_disk = *(volatile int *)&new_disk;
+#endif
do {
if (new_disk<=0)
new_disk = conf->raid_disks;
-
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