ODA (Oracle Database Appliance) system boot hangs with 'Task insmode blocked'

Asset ID:	1-72-1446133.1
Update Date:	2012-07-26
Keywords:

Solution Type Problem Resolution Sure

Solution 1446133.1 : ODA (Oracle Database Appliance) system boot hangs with 'Task insmode blocked'

Applies to:

Oracle Appliance Kit - Version 2.1.0.3 and later
Oracle Database Appliance - Version Not Applicable and later
Information in this document applies to any platform.

Symptoms

The booting of the Oracle Database Appliance System hangs with following message (Seen from the ILOM console):

Info: task insmode: 1951 blocked for more than 120 seconds.

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

.......

.......... __down_failed....

.......... __driver_attach..

.......... __driver_attach..

.......... __usb_register_driver....

.......... :usb_storage:usb_stor_init+...

............

Cause

After doing the bare metal restore with 2.1.0.3.1 image, tying to boot(reboot) the system.

Solution

> Power cycle the node using ILOM (if you are not near the server)

You can login to the ILOM
Go to Remote Control -> Remote Power Control
From the drop down list select 'Power Cycle'

> Now open the remote console

Go to Remote Control -> Redirection
Launch Remote Console

> When it shows you the grub boot line
Booting Oracle Database Appliance (2.6.18....) in 3 seconds....
Press 'e' over here.

> Now it will show following lines:
Oracle Database Appliance (2.6.18....)
Use arrow key and bring the cursor to this line

> Again press 'e' to edit it and bring the cursor to line
kernel /vmlinuz....

> Again press 'e'

> Now it will bring you to a prompt

> just add 'nousb' at the end of this line and hit enter

> After this it will come to the previous screen and hit 'b' this time

> After this this should boot successfully

> Once the system boots fine, edit the /etc/grub.conf to have nousb added so that next time you do not need to repeat above procedure.

References

<NOTE:888888.1> - Oracle Database Appliance - 2.X Supported Versions & Known Issues
<NOTE:1373599.1> - Oracle Database Appliance Bare Metal Restore Procedure.

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