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

[Scott Long]

On Sep 27, 2013, at 6:13 AM, Sergey V. Dyatko <sergey.dyatko at gmail.com> wrote:

> On Fri, 27 Sep 2013 05:57:01 -0600
> Scott Long <scottl at samsco.org> wrote:
> 
>> 
>> 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)
>>> @@ -302,6 +302,7 @@
>>>     * 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?
>> 
> 
> my KERNCONF located here: http://svn.freebsd.by/files/b450.txt
> my update procedure was:
> # pwd
> /usr/src
> # svn up
> Updating '.':
> ......
> Updated to revision r255873.
> 
> # make -j2 buildworld
> # make kernel
> # mergemaster -p
> # make installworld
> # mergemaster -iF
> # shutdown -r now
> 
> after revert  (svn merge -c -255871; svn merge -c -255870) I do
> # make -j2 buildkernel KERNFAST=1 
> installkernel & shutdown -r

Please try building without the KERNFAST option.  There might be some
broken header dependencies that you are tripping over.

Scott