Sorry, the code is too large and I couldn't show it( I don't know which part will be useful). But I can give : I only used some kmalloc(...,GFP_ATOMIC) and some kfree in the module. And I look into the /proc/ksyms, it is possible that the related function is "sock_rmalloc". And sometimes the system gives that message and hung, but not always. Is it enough? Thanks in advance. yangrunhua -----Original Message----- From: Erik Mouw [mailto:J.A.K.Mouw@its.tudelft.nl] Sent: 2002Äê2ÔÂ23ÈÕ 0:19 To: yangrunhua Cc: kernelnewbies@nl.linux.org Subject: Re: What's the reason for "alloc_skb called nonatomically from interrupt" On Fri, Feb 22, 2002 at 01:32:37PM +0800, yangrunhua wrote: > I've written a kernel firewall modules, but sometimes I got that > message when inserting the module into kernel using "insmod", and then > the machine hung. Why? I haven't alloc any skbuff in interrupt context. > Can anybody give some advice? Sure: show the relevant pieces of your code. Unfortunately our telepathic powers are a bit weak today, so we can't read it from your screen... :) Erik -- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
