Re: Null pointer dereference in UDP4 core on AVR32 ATNGW100

2015-07-31 Thread Eric Dumazet
How much memory you have on this host ? dmesg | grep hash On Fri, Jul 31, 2015 at 3:45 PM, Andy Shevchenko andy.shevche...@gmail.com wrote: On Fri, Jul 31, 2015 at 4:25 PM, Andy Shevchenko andy.shevche...@gmail.com wrote: Hi! Got few weeks ago an old AVR32 board (ATNGW100). It has

Null pointer dereference in UDP4 core on AVR32 ATNGW100

2015-07-31 Thread Andy Shevchenko
Hi! Got few weeks ago an old AVR32 board (ATNGW100). It has ethernet cards supported by macb driver. Bring it mostly back to work with recent kernel from linux-next. Now, when I start networking on it, I got in few seconds kernel panic. Unable to handle kernel NULL pointer dereference at

Re: Null pointer dereference in UDP4 core on AVR32 ATNGW100

2015-07-31 Thread Andy Shevchenko
On Fri, Jul 31, 2015 at 4:25 PM, Andy Shevchenko andy.shevche...@gmail.com wrote: Hi! Got few weeks ago an old AVR32 board (ATNGW100). It has ethernet cards supported by macb driver. Bring it mostly back to work with recent kernel from linux-next. Now, when I start networking on it, I got

Re: Null pointer dereference in UDP4 core on AVR32 ATNGW100

2015-07-31 Thread Andy Shevchenko
On Fri, Jul 31, 2015 at 4:49 PM, Eric Dumazet eduma...@google.com wrote: How much memory you have on this host ? dmesg | grep hash # dmesg | grep hash PID hash table entries: 128 (order: -3, 512 bytes) Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) Inode-cache hash table