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Re: LSI MegaRAID SAS 9240-4i hangs system at boot



Over current problems from what I have seen are hardware problems - I would make sure the intel expander doesn't need a external power source and if it does that it is functioning properly.  After that I would look to see if something isn't shorting out a USB port.

Shane


On Fri, May 18, 2012 at 8:23 AM, Ramon Hofer <ramonhofer@bluewin.ch> wrote:
Hi all

I finally got my LSI 9240-4i and the Intel SAS expander.

Unfortunately it prevents the system from booting. I only got this
message on the screen:

megasas: INIT adapter done
hub 4-1:1.0 over-current condition on port 7
hub 4-1:1.0 over-current condition on port 8

I also got the over-current messages when the LSI card is removed. Here's
the output of lsusb:

Bus 004 Device 003: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop
Laser
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Nevertheless I think the module for the card should be loaded but then it
somehow hangs.

And after a while there are more messages which I don't understand. I
have taken a picture:
http://666kb.com/i/c3wf606sc1qkcvgoc.jpg

Then there are lots of messages like this:

INFO: task modprobe:123 blocked for more than 120 seconds.
"echo 0..." disables this message

Instead of modprobe:123 also modprobe:124, 125, 126, 127, 135, 137 and
kworker/u:1:164, 165 are listed.

I can enter the BIOS of the card just fine. It detect the disks and by
defaults sets jbod option for them. This is fine because I want to use
linux RAID.

May this problem be the same:
http://www.spinics.net/lists/raid/msg30359.html
Should I try a firmware upgrade?

This card was recommended to me by the list:
http://lists.debian.org/debian-user/2012/05/msg00104.html

I hope I can get some hints here :-)


Best regards
Ramon



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--
Shane D. Johnson
IT Administrator
Rasmussen Equipment



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