Date: Mon, 25 Jun 2007 15:40:17 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Danny Braniss <danny@cs.huji.ac.il> Cc: freebsd-current@freebsd.org Subject: Re: open/close/ioctl api change? Message-ID: <20070625124017.GM2268@deviant.kiev.zoral.com.ua> In-Reply-To: <E1I2n4U-000LwJ-Uo@cs1.cs.huji.ac.il> References: <E1I2n4U-000LwJ-Uo@cs1.cs.huji.ac.il>
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On Mon, Jun 25, 2007 at 02:49:29PM +0300, Danny Braniss wrote:
> actually it's the struct thread *tp where my problems are,
> this code works fine under 6.2, and did work till some days ago under cur=
rent.
>=20
> static int
> iscsi_open(struct cdev *dev, int flags, int otype, struct thread *td)
> {
> ...
> debug(3, "td->td_proc=3D%p", td->td_proc);
> debug(3, "td->td_proc->p_pid=3D%d pid=3D%d",
> td->td_proc->p_pid, curproc->p_pid);
> ...
>=20
> the first debug prints out td->td_proc=3D0 and the next one panics.
I think you shall start with posting full panic information, and ddb/kgdb
output for the trace.
There have been some change in KPI (I assume you example is about in-kernel
interfaces), but it shall not affect d_open() driver methods.
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