Kernel panic of "spin lock held too long"
jhb at freebsd.org
Mon Jun 28 13:39:56 UTC 2010
On Sunday 27 June 2010 1:53:56 am KGB wrote:
> Hi John Baldwin:
> Thank you for your reply!
> Yes,I use an interrupt handler in my driver module and use a filter
function. In the filter function,I call the __zt_transmit_chunk function which
defined in the zaptel module(name zaptel.ko).
Try using a regular interrupt handler without a filter instead.
> ------------------ Original ------------------
> From: "John Baldwin"<jhb at freebsd.org>;
> Date: Fri, Jun 25, 2010 11:09 PM
> To: "KGB"<e01630112a at yahoo.com.cn>;
> Cc: "freebsd-drivers"<freebsd-drivers at freebsd.org>;
> Subject: Re: Kernel panic of "spin lock held too long"
> On Friday 25 June 2010 9:56:13 am KGB wrote:
> > I met the kernel dump again.The message is below.
> Do you use any interrupt handlers? If so, are you using a filter function?
> Also, you can use the 'tid' command in kgdb to switch to a thread via a tid
> avoid having to search for a 'tid' in info threads.
> John Baldwin
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