On Thu, Dec 13, 2007 at 05:49:27PM -0500, Dave Jones wrote:
> We've found in the past that various bug reports have had minimal
> information, just a few printk's rather than a complete oops,
> and it's taken several round-trips with the bug reporter before
> we've discovered they had some proprietary module loaded.
>
> The patches below adds dumping of the tainted state to some
> extra parts of the kernel that report 'bad things' happening.
> These patches have been in the Fedora kernel for some time now,
> and have proved useful often.
>
> Signed-off-by: Dave Jones <[email protected]>
>
>
> --- linux-2.6/include/asm-generic/bug.h~ 2007-02-12 16:18:21.000000000 -0500
> +++ linux-2.6/include/asm-generic/bug.h 2007-02-12 16:19:57.000000000 -0500
> @@ -3,6 +3,10 @@
>
> #include <linux/compiler.h>
>
> +#ifndef __ASSEMBLY__
> +extern const char *print_tainted(void);
> +#endif
> +
> #ifdef CONFIG_BUG
>
> #ifdef CONFIG_GENERIC_BUG
> @@ -22,7 +26,8 @@ struct bug_entry {
>
> #ifndef HAVE_ARCH_BUG
> #define BUG() do { \
> - printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
> + printk(KERN_ERR "BUG: failure at %s:%d/%s()! (%s)\n",
> + __FILE__, __LINE__, __FUNCTION__, print_tainted()); \
> panic("BUG!"); \
> } while (0)
> #endif
>...
Note that this only changes a handful of architectures and most likely
not the ones you are interested in.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
