You do hide a lot of info.
Without the Makefile we cannot see if you compile this in a decent way.
We cannot see the implmentation of EnterFunction() etc.
A quick grep in the kernel tree revealed very few users
of DECLARE_WIATQUEUE_HEAD, and interruptible_sllep_on_timeout() are
deprecated.
So maybe bringing the driver up to modern state would help.
PS. Ever read CodingStyle?
Sam
On Tue, Aug 23, 2005 at 05:34:21PM +0100, manomugdha biswas wrote:
> Hi,
> This is the code where i am getting this problem.
>
> static byte4
> VNICClientStart(unsigned long arg)
> {
> VNICClientCfgCreateInfo_t clientConfig;
> struct socket *sock = NULL;
> ubyte4 status = 0;
> ubyte4 retryCnt =
> VNIC_CLIENT_MAX_CONN_RETRY_CNT;
> ubyte4 ret = 0;
> byte4 len = 0;
> struct net_device *dev = NULL;
> VNICConnMap_t *connMap = NULL;
> byte4 error = 0;
> VNICHdrForm_t vnicHdr;
> VNICVirtMirrIfaceAndServIPList_t *ifaceIPNode =
> NULL;
>
>
> DECLARE_WAIT_QUEUE_HEAD(wq);
> init_waitqueue_head(&wq);
>
>
> EnterFunction("VNICClientStart");
>
>
> memset(&vnicHdr, 0, sizeof(vnicHdr));
> while (retryCnt) {
> --retryCnt;
>
>
> if (!retryCnt) {
> return VNIC_CLIENT_SERVER_RESPONSE_TIMEOUT;
> }
>
>
> /* wait for small */
> interruptible_sleep_on_timeout(&wq, 2);
> } /* end while (retryCnt)*/
>
> LeaveFunction("VNICClientStart");
> return VNIC_CLIENT_SERVER_SUCCESS; /* for success */
> } /* end VNICClientStart() */
>
> I commneted out all the other functionalities of this
> function to make it simple but still it is getting
> kernel panic.
>
> This function gets called when i invoke ioctl() from
> my user application and gets kernel panic.
>
> Regards,
> Manomugdha
>
>
>
> --- [email protected] wrote:
>
> > Hi Biswas,
> >
> > You need to post the complete kernel dump message
> > and body of your
> > source code.
> >
> > -Bunnan
> >
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On
> > Behalf Of manomugdha
> > biswas
> > Sent: Tuesday, August 23, 2005 3:13 PM
> > To: [email protected]
> > Subject: kernel module seg fault
> >
> > Hi,
> > I have written a kernel module and I can load
> > (insmod)
> > it without any error. But when i run my module it
> > gets
> > seg fault at interruptible_sleep_on_timeout();
> >
> > I have used this function in the following way:
> >
> > DECLARE_WAIT_QUEUE_HEAD(wq);
> > init_waitqueue_head(&wq);
> > interruptible_sleep_on_timeout(&wq, 2);
> >
> > I am using redhat version 9.0 and kernel version
> > 2.4.20-8.
> > Could you please give some light on this issue?
> >
> > Manomugdha Biswas
> >
> >
> >
> >
> >
> >
> > ____________________________________________________
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>
>
> Manomugdha Biswas
>
>
>
>
>
>
> ____________________________________________________
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