Harsha wrote:
On Sat, Oct 17, 2009 at 11:42 PM, Julian Elischer wrote:
Harsha wrote:
wrote:
Looks like a NULL pointer dereference, so perhaps a more traditional bug
--
could you convert ifindex_alloc_locked+0x71 to a line of code? You can do
this using kgdb on the kernel symbols file, perhap
On Sat, Oct 17, 2009 at 11:42 PM, Julian Elischer wrote:
> Harsha wrote:
>> wrote:
>>>
>>> Looks like a NULL pointer dereference, so perhaps a more traditional bug
>>> --
>>> could you convert ifindex_alloc_locked+0x71 to a line of code? You can do
>>> this using kgdb on the kernel symbols file,
Harsha wrote:
Hi Robert,
Apologies for not getting earlier.
On Mon, Oct 12, 2009 at 6:46 AM, Robert N. M. Watson
wrote:
Looks like a NULL pointer dereference, so perhaps a more traditional bug --
could you convert ifindex_alloc_locked+0x71 to a line of code? You can do
this using kgdb on the
Hi Robert,
Apologies for not getting earlier.
On Mon, Oct 12, 2009 at 6:46 AM, Robert N. M. Watson
wrote:
>
> Looks like a NULL pointer dereference, so perhaps a more traditional bug --
> could you convert ifindex_alloc_locked+0x71 to a line of code? You can do
> this using kgdb on the kernel sy
On 12 Oct 2009, at 05:38, Harsha wrote:
Thanks a lot for the clarification.
I had assumed that the lock was non-sleepable looking at this log -
Kernel page fault with the following non-sleepable locks held:
exclusive rw ifnet_rw (ifnet_rw) r = 0 (0xc0f63464) locked @
/usr/src/sys/net/if.c:409
Hi Robert,
On Sun, Oct 11, 2009 at 1:30 PM, Robert Watson wrote:
> Giant is a bit special in that the long-term sleep code in the kernel knows
> to drop it when sleeping, and re-acquire when waking up. So, unlike all
> other mutexes, it should be OK to hold it in this case, as Giant will simply
On Sun, 11 Oct 2009, Harsha Srinath wrote:
I'm running an updated HEAD kernel and got a page fault in
ifindex_alloc_locked() in if.c. I figured that the problem was caused by the
(pluggable) network card of my laptop and found that during the
initialization of the interface, cb_event_thread()
Hi all,
I'm running an updated HEAD kernel and got a page fault in
ifindex_alloc_locked() in if.c. I figured that the problem was caused
by the (pluggable) network card of my laptop and found that during the
initialization of the interface, cb_event_thread() takes the giant
lock and up the call ch
