RE: kld problem

2005-06-23 Thread gerarra
>Unloading syscall kernel module can cause a system crash. It occurs when >we >unload the module while a process is executing our syscall. Example: MOD_QUIESCE (sys/module.h) would be helping you in situations like that. You can use a flag to rule that. greetings, rookie

Re: kld problem

2005-06-22 Thread Mauser
On Wed, 22 Jun 2005 16:52:58 -0500 Dan Nelson <[EMAIL PROTECTED]> wrote: > In the last episode (Jun 22), Mauser said: > > Unloading syscall kernel module can cause a system crash. It occurs > > when we unload the module while a process is executing our syscall. > > Example: > > > > $ cat kldtest

Re: kld problem

2005-06-22 Thread Dan Nelson
In the last episode (Jun 22), Mauser said: > Unloading syscall kernel module can cause a system crash. It occurs when we > unload the module while a process is executing our syscall. Example: > > $ cat kldtest.c ... > static int test_syscall(struct thread *td, void *arg) { > struct timeval tv

Re: kld problem

2005-06-22 Thread Maslan
i don't know if kld should check if the module is used or not before unloading it. but i should. On 6/22/05, Mauser <[EMAIL PROTECTED]> wrote: > Unloading syscall kernel module can cause a system crash. It occurs when we > unload the module while a process is executing our syscall. Example: > >

kld problem

2005-06-22 Thread Mauser
Unloading syscall kernel module can cause a system crash. It occurs when we unload the module while a process is executing our syscall. Example: $ cat kldtest.c #include #include #include #include #include #include #include #include #include static int test_nw; static int test_syscall