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DISCUSSION Huo Zhigang 2 participants 2 messages Apr 24, 2002

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#0 lore raw

Remove the driver first befor reboot! It works. But what is relation between the reboot process and my driver? When I remove the driver module myself, nothing goes wrong. What is the difference?

Thank you.
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INIT: Switching to runlevel: 6
INIT: Send processes the TERM signal

Unable to handle kernel NULL pointer dereference

What's wrong with my machines? They are all running linux-2.2.18(SMP-supported) with a kernel module which is a driver of Myricom NIC M3S-PCI64C-2 written by my group. Thank you in advance 8-)

If you boot the machije without your driver, then reboot does the same happen ? If not then it may well be your driver has an error but only when it closes down

#1 lore raw
Quoted 3 lines · Huo Zhigang

Remove the driver first befor reboot! It works. But what is relation
between the reboot process and my driver? When I remove the driver module myself, nothing goes wrong. What is the difference?

Does your module have a timer or thread which may be active at shutdown? It may be that if it has a kernel thread that the TERM will kill the thread and your driver does not expect this.

Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/