Re: LSI MegaRAID SAS 9240-4i hangs system at boot
On Sat, 19 May 2012 13:06:40 -0300, Henrique de Moraes Holschuh wrote:
> On Sat, 19 May 2012, Ramon Hofer wrote:
>> On Sat, 19 May 2012 04:19:33 -0500, Stan Hoeppner wrote:
>> > On 5/19/2012 2:52 AM, Ramon Hofer wrote:
>> >> On Fri, 18 May 2012 17:57:56 -0500, Stan Hoeppner wrote:
>> >>
>> >>> On 5/18/2012 9:39 AM, Shane Johnson wrote:
>> >>>
>> >>>> After that I would look to see if
>> >>>> something isn't shorting out a USB port.
>> >>>
>> >>> Yes, USB is the cause of the over-current errors, which is plainly
>> >>> evident in his screen shot. But we don't yet know if this USB
>> >>> problem is what's hanging the system. Further troubleshooting is
>> >>> required.
>> >>
>> >> The strange thing is as I mentioned in another post is that on the
>> >> mb usb port 8 there's nothing attached and I haven't found where
>> >> port 7 is :-?
>> >
>> > I wouldn't worry about the USB errors at this point. Unless there is
>> > some larger issue with insufficient power on the motherboard causing
>> > the USB current error, it's likely unrelated to the storage hardware
>> > issue.
>> > Fix it first, then worry about the USB errors. Given you have no
>> > device plugged into those ports, it could be a phantom error.
>>
>> Yes I hope you're right with the phantom error :-) Especially because I
>> can't find port 7. No label on the mb pcb nor in it's documentation.
>
> It might well mean one of the power planes is oversubscribed, and THAT
> can cause anything up to and including damage to hard disks, data
> corruption, and crashes.
Thanks for the suggestion, Henrique!
The PSU is a 750 W so I think it should be enough for now.
Best regards
Ramon
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