On Fri, 2006-05-19 at 22:38 -0400, Daniel Gryniewicz wrote:
> Just a heads up: I have a bcm4318, and today I upgraded from 1GB of RAM
> to 2GB. Now, whenever the interface goes up, the machine panics. This
> happens with my current 2.6.17-rc4 (with 4318 patches from earlier
> today), with 2.6.17-rc3, and even with my old 2.6.16 kernel patched with
> the bcm43xx tree from a month or so ago, so it's not a new thing. I
> haven't managed to capture the panic yet (no serial on my laptop), but
> I'll post it as soon as I can.
>
> Laptop is a turion running in 64-bit mode. Card is:
> 02:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One
> 54g] 802.11g Wireless LAN Controller (rev 02)
>
>
Well, I've been unable to capture the panic in any useful format. I
have pictures of the screen, if that's going to help anyone. Here's a
summary:
NULL pointer at
<ffffffff8808fcaf>{:bcm43xx:bcm43xx_dma_handle_xmitstatus+623}
Preempt
process 6139 (iwconfig) Not tainted
Call trace:
{:bcm43xx:bcm43xx_interrupt_tasklet+2416}
{tasklet_action+77}
{call_softirq+30}
{irq_exit+63}
{ret_from_intr+0}
{unmap_vmas+1453}
{mmput+54}
{do_exit+579}
{sys_exit_group+18}
FWIW, while trying to reproduce this, I rebuilt with all kernel debug
options, and got a "sleeping function called from invalid context" oops
after the actual panic. The top bcm43xx function was the same (with
same offset) as the above panic.
Daniel
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