Re: r255873: ahcich7: Timeout on slot 0 port 0 FLOODING kernel messages

On Sep 27, 2013, at 5:52 AM, Sergey V. Dyatko <sergey.dyatko_at_gmail.com> wrote:

>>> 
>>> yes, these messages disappeared after revert 255870 and r255871
>>> 
>> 
>> 
>> Hi,
>> 
>> Nothing that I changes should have affected the ahci driver.  In
>> fact, I tested this driver specifically during my development.  Can
>> you confirm that you built both kernel and modules from a clean state?
> 
> [tiger_at_laptop]:/usr/src%svn st
> M       sys/boot/i386/zfsboot/zfsboot.c
> [tiger_at_laptop]:/usr/src%svn diff 
> Index: sys/boot/i386/zfsboot/zfsboot.c
> ===================================================================
> --- sys/boot/i386/zfsboot/zfsboot.c     (revision 255873)
> +++ sys/boot/i386/zfsboot/zfsboot.c     (working copy)
> _at__at_ -302,6 +302,7 _at__at_
>      * region in the SMAP, use the last 3MB of 'extended' memory as a
>      * high heap candidate.
>      */
> +       high_heap_size = 0;
>     if (bios_extmem >= HEAP_MIN && high_heap_size < HEAP_MIN) {
>        high_heap_size = HEAP_MIN;
>        high_heap_base = bios_extmem + 0x100000 - HEAP_MIN;
> [tiger_at_laptop]:/usr/src%
> 
> nothing more. 
> 

Yes, no local source changes, but are you loading the cam or ahci drivers
a loadable modules that might be out of sync now, or did you use a short-
cut for building your kernel, like NO_CLEAN?

Thanks,
Scott