Re: 2.5.40 (several issues): kernel BUG! at slab.c:1292 - and what's

frode@freenix.no ("frode@freenix.no")
Sat, 05 Oct 2002 13:31:42 +0200


>>I just downloaded the linux-2.5.40 tarball.
>>FAT: Using codepage cp437
>>FAT: Using IO charset iso8859-1
>>FAT: Using codepage cp437
>>FAT: Using IO charset iso8859-1
>>FAT: Using codepage cp437
>>FAT: Using IO charset iso8859-1
>>Adding 262136k swap on /swapfile. Priority:-2 extents:519
>>------------[ cut here ]------------
>>kernel BUG at slab.c:1292!
>>invalid operand: 0000
>
>
> It is probably time to send it to Linus once more...
> Petr Vandrovec
>
> diff -urdN linux/fs/fat/inode.c linux/fs/fat/inode.c
> --- linux/fs/fat/inode.c 2002-10-05 00:55:46.000000000 +0200
> +++ linux/fs/fat/inode.c 2002-10-05 01:00:15.000000000 +0200
> @@ -228,8 +228,6 @@
> save = 0;
> savep = NULL;
> while ((this_char = strsep(&options,",")) != NULL) {
> - if (!*this_char)
> - continue;
> if ((value = strchr(this_char,'=')) != NULL) {
> save = *value;
> savep = value;
> @@ -351,7 +349,7 @@
> strncpy(cvf_options,value,100);
> }
>
> - if (this_char != options) *(this_char-1) = ',';
> + if (options) *(options-1) = ',';
> if (value) *savep = save;
> if (ret == 0)
> break;
> diff -urdN linux/fs/vfat/namei.c linux/fs/vfat/namei.c
> --- linux/fs/vfat/namei.c 2002-10-05 00:56:02.000000000 +0200
> +++ linux/fs/vfat/namei.c 2002-10-05 01:00:15.000000000 +0200
> @@ -117,8 +117,6 @@
> savep = NULL;
> ret = 1;
> while ((this_char = strsep(&options,",")) != NULL) {
> - if (!*this_char)
> - continue;
> if ((value = strchr(this_char,'=')) != NULL) {
> save = *value;
> savep = value;
> @@ -154,8 +152,8 @@
> else
> ret = 0;
> }
> - if (this_char != options)
> - *(this_char-1) = ',';
> + if (options)
> + *(options-1) = ',';
> if (value) {
> *savep = save;
> }

This patch solved the problem! Thanks!

On a different matter;

While playing around with 2.5.40 a bit I noticed something really weird:
I use the ZSH shell and my prompt basically ends with the %# code which is
supposed to show a '%' if you're not root and '#' if you are root.
In 2.5.40, zsh shows # unconditionally. (In 2.4.19pre1 which I normally run,
it works as expected). Really weird..

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