Re: Boot failure with 3.0.3: swapper (pid 0): Protection id trap (code 7)

[Jeroen Roovers <jer@xxxxxxxxxx>]

On Wed, 26 Oct 2011 15:02:35 +0200
"Rolf Eike Beer" <eike-kernel@xxxxxxxxx> wrote:

> Ok, I think I found the culprit. This change to the .config makes my
> machine  boot:
> 
> --- kernel-config-parisc-3.1.0  2011-10-26 14:56:42.418487152 +0200
> +++ config      2011-10-26 14:56:29.583485965 +0200
> @@ -16,6 +16,7 @@
>  CONFIG_NEED_DMA_MAP_STATE=y
>  CONFIG_NEED_SG_DMA_LENGTH=y
>  CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> +CONFIG_CONSTRUCTORS=y
>  CONFIG_HAVE_IRQ_WORK=y
>  CONFIG_IRQ_WORK=y
> 
> @@ -114,6 +115,7 @@
>  #
>  # GCOV-based kernel profiling
>  #
> +CONFIG_GCOV_KERNEL=y
>  # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
>  CONFIG_SLABINFO=y
>  CONFIG_RT_MUTEXES=y
> @@ -1524,7 +1528,7 @@
>  CONFIG_MAGIC_SYSRQ=y
>  CONFIG_STRIP_ASM_SYMS=y
>  # CONFIG_UNUSED_SYMBOLS is not set
> -# CONFIG_DEBUG_FS is not set
> +CONFIG_DEBUG_FS=y
>  CONFIG_HEADERS_CHECK=y
>  # CONFIG_DEBUG_SECTION_MISMATCH is not set
>  CONFIG_DEBUG_KERNEL=y

Confirmed. Disabling CONFIG_GCOV_KERNEL was the only change I made.
Kernel boot log attached.


Regards,
     jer

Attachment: gcov_panic
Description: Binary data