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Date:      Wed, 19 Nov 2008 12:31:52 +0100
From:      Jan Sebosik <sebosik@demax.sk>
To:        FreeBSD stable <freebsd-stable@freebsd.org>
Subject:   Re: Frebsd 7-STABLE, atapicd, atapicam and Intel errors [SOLVED]
Message-ID:  <4923F928.8010604@demax.sk>
In-Reply-To: <4923F7D5.8030409@demax.sk>
References:  <491F31B5.90403@demax.sk> <4923E5A2.2060402@demax.sk>	<20081119101530.GA82861@icarus.home.lan>	<4923E839.7090001@demax.sk>	<20081119102552.GA83022@icarus.home.lan>	<4923F0A6.9080304@demax.sk>	<20081119112102.GA84963@icarus.home.lan> <4923F7D5.8030409@demax.sk>

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Opps,

bad mailing-list... excuse me.

Jan Sebosik napsal(a):
> Yeah
> 
> I thought also about bios bug... it`s pretty new piece of HW with modern 
> chipset (Q45). I believe that the next release of BIOS comes soon.
> 
> But what about those atapicd problems? Is it related to SATA interface 
> of DVD/CD drive? Maybe also the LG drive has buggy FW :).
> 
> Best regards
> 
> Jeremy Chadwick napsal(a):
>> On Wed, Nov 19, 2008 at 11:55:34AM +0100, Jan Sebosik wrote:
>>> Allright, I`ve played again with an HPET in BIOS little bit.
>>>
>>> Results ->
>>>
>>> HPET disabled:
>>>
>>>   kern.timecounter.choice: TSC(-100) ACPI-fast(1000) i8254(0)  
>>> dummy(-1000000)
>>>   kern.timecounter.hardware: ACPI-fast
>>>
>>> HPET enabled:
>>>
>>>   kern.timecounter.choice: TSC(-100) HPET(900) ACPI-fast(1000) 
>>> i8254(0)  dummy(-1000000)
>>>   kern.timecounter.hardware: ACPI-fast
>>>
>>>
>>> But now FreeBSD boots also with HPET enabled (really don`t 
>>> understand  what`s going on).
>>>
>>> When I was trying to mount cd with "mount -t cd9660 /dev/cd0 
>>> /mnt/cd0",  mount works as expected (atapicd module not loaded).
>>>
>>> Then I`ve kldload-ed atapicd, "mouunt -t cd9660 /dev/acd0 /mnt/cd0"  
>>> (acd0, not cd0), but this ended with messages like this:
>>> unknown: FAILURE - READ_BIG timeout (retry count 0)
>>>
>>> Temporary I`ve disabled HPET in BIOS (Linux got problems too-> he  
>>> created gigabytes of log messages in /var/log/messages :D).
>>>
>>> Best regards, Jan
>>>
>>> Jeremy Chadwick napsal(a):
>>>> On Wed, Nov 19, 2008 at 11:19:37AM +0100, Jan Sebosik wrote:
>>>>> Hi
>>>>>
>>>>> Yeah, I`ve tested it 2 times (switching it in BIOS). To me it seems 
>>>>> bit  mysterious, why there is a relationship between HPET setting 
>>>>> and acd/cd  problems in FreeBSD.
>>>>>
>>>>>
>>>>> Jeremy Chadwick napsal(a):
>>>>>> On Wed, Nov 19, 2008 at 11:08:34AM +0100, Jan Sebosik wrote:
>>>>>>> Hi again
>>>>>>>
>>>>>>> so it seems to be a problem with HPET timer which is onboard and 
>>>>>>> was  enabled. If I turned him off, (acd | cd) problems went away.
>>>>>>>
>>>>>>>
>>>>>>> Jan Sebosik napsal(a):
>>>>>>>> Hi all
>>>>>>>>
>>>>>>>> OS: Freebsd 7-STABLE from CVS of today
>>>>>>>> Problematic HW: Intel DQ45CB  (Q45 chipset, ICH10, SATA in 
>>>>>>>> native mode, but not AHCI), LG SATA DVD-RW GH20NS15
>>>>>>>>
>>>>>>>> Problem: if I run freebsd without LG DVD connected to any SATA 
>>>>>>>> port  onboard everything works allright. When I connect SATA DVD 
>>>>>>>> to board,  then freebsd refuses to boot with messages similar to 
>>>>>>>> those:
>>>>>>>>
>>>>>>>> acd0: FAILURE-READ_BIG timed out
>>>>>>>> unknown: FAILURE-READ_BIG timed out
>>>>>>>> cddone: goit error 0x5 back
>>>>>>>>
>>>>>>>> Messages are repeating forever.
>>>>>>>>
>>>>>>>> Anybody knows where should be a bug?
>>>>>>>> Temporary I`ve disconnected LG SATA burner from system board.
>>>>>>>>
>>>>>>>> Thanks for any idea.
>>>>>>>>
>>>>>>>> Best regards
>>>>>> Are you ***absolutely 100% certain*** this is true?  The time counter
>>>>>> selected shouldn't have anything to do with the errors you see.
>>>>>> Please thoroughly test this.
>>>>>>
>>>>>> I'd CC jhb@ to get confirmation of my statement, but I've promised
>>>>>> myself I wouldn't bother him until 2009.  :-)
>>>> This is very bizarre.  The errors being returned from acd0 are that an
>>>> ATAPI/ATA command (READ_BIG, whatever the code for that is) did not
>>>> receive a response from the controller or device within 5 seconds
>>>> (assuming the ata(4) timeout values here; it could be something larger
>>>> for ATAPI, I don't know).  Maybe some a BIOS bug...
>>>>
>>>> Can you show us output from the following two commands?
>>>>
>>>> sysctl kern.timecounter.choice
>>>> sysctl kern.timecounter.hardware
>>>>
>>>> Soren, do you know how/if the HPET time counter could cause this 
>>>> oddity?
>>>> All of my systems use ACPI-fast, so I can't test this.
>>
>> What this proves is that disabling HPET in the BIOS makes absolutely no
>> change to FreeBSD as far as the timecounter goes.  It's still using
>> ACPI-fast no matter if HPET is disabled or not.  Disabling HPET does
>> show up in FreeBSD (as you can tell), but the ATA/ATAPI stuff *should
>> not* have some direct tie-in to HPET.
>>
>> I'm left believing you've found a BIOS bug.  Please bring this up with
>> your motherboard or system vendor.
>>
> 

-- 
Jan Sebosik, Slovakia
sebosik@demax.sk



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