DragonFly BSD
DragonFly bugs List (threaded) for 2005-05
[Date Prev][Date Next]  [Thread Prev][Thread Next]  [Date Index][Thread Index]

Re: trouble generating a core file

From: Chuck Tuffli <chuck_tuffli@xxxxxxxxxxx>
Date: Mon, 9 May 2005 15:12:56 -0700

On Mon, May 09, 2005 at 01:37:07PM -0700, Matthew Dillon wrote:
. ..
>     It looks like the vm_contig_pg_kmap() call failed and it paniced
>     trying to free the page list.
>     generally speaking a kmap will only fail if the kernel has run out
>     of KVM, which means that it is likely a memory leak in the driver
>     (e.g. it could be missing some busdma calls or might not be freeing
>     busdma'd memory properly).

understood. in this case, the application is purposely trying to
exhaust KVM, but was expecting an error from the driver and not an OS

>     This patch should fix the panic, but it is likely something else
>     will go poof due to the memory leak.
> 						-Matt

yup, this does fix the panic. thanks for the fix!

Chuck Tuffli
Agilent Technologies

[Date Prev][Date Next]  [Thread Prev][Thread Next]  [Date Index][Thread Index]