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Date: Fri, 16 Nov 2012 02:08:59 -0700
From: Gary Aitken <freebsd@dreamchaser.org>
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To: Warren Block <wblock@wonkity.com>
Subject: Re: 9.0 crash, ssd or filesystem problem?
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On 11/15/12 15:56, Warren Block wrote:
> On Thu, 15 Nov 2012, Gary Aitken wrote:
> 
>> Trying to rebuild ports, I'm consistently getting the following:
>>
>>  ahcich1 Timeout on slot 13 port 0
>>                          ^---- slot varies
>>  g_vfs_done() ada0p6 [WRITE(offset=38838571008 length=4096)]error=6
> 
> That seems familiar, maybe others have reported it.  Is this a motherboard
> controller, or add-in?

mobo.  Asus M4A89TD PRO/USB3
specs say AMD SB850 controller

> After a backup, I'd make sure the motherboard and controller BIOS are up to date.  And also the SSD firmware.

Thanks for the reminder, I see there is a new one.

>> ~$ gpart show ada0
>> =>       34  250069613  ada0  GPT  (119G)
>>         34        128     1  freebsd-boot  (64k)
>>        162   41943040     2  freebsd-ufs  (20G)      /
>>   41943202    1048576     3  freebsd-swap  (512M)    swap
>>   42991778    8388608     4  freebsd-ufs  (4.0G)     /var
>>   51380386    4194304     5  freebsd-ufs  (2.0G)     /tmp
>>   55574690  192216088     6  freebsd-ufs  (91G)      /usr
>>  247790778    2278869        - free -  (1.1G)
> 
> It would not cause this problem, but those partitions are not aligned.
> That would only affect speed, not reliability.

geezes, it's not even on a 4K boundary from the get-go; 
not sure how that happened.
let-alone the 1M boundary I just learned about.

Thanks