Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h

2015-03-12 Thread Ronciak, John
Cc: Kirsher, Jeffrey T; e1000-devel; Tantilov, Emil S Subject: Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h On Tue, Mar 10, 2015 at 11:13 PM, Ronciak, John john.ronc...@intel.com wrote: Hi Bob, I think that's the normal case to reuse that page after its context have been

Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h

2015-03-11 Thread Bob Liu
On Tue, Mar 10, 2015 at 11:13 PM, Ronciak, John john.ronc...@intel.com wrote: Hi Bob, I think that's the normal case to reuse that page after its context have been transmitted. I'm looking at the block driver since it's a iSCSI block device , the sequence is like this: 1. A user call

Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h

2015-03-10 Thread Jeff Kirsher
On Tue, 2015-03-10 at 21:29 +0800, Bob Liu wrote: Would you mind sending your actual test cases to prove that the page is free when calling _skb_frag_unref I'm afraid not, it's a complex testing program and difficult to run on external environment because of many dependencies. from the

Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h

2015-03-10 Thread Ronciak, John
...@gmail.com] Sent: Tuesday, March 10, 2015 7:26 AM To: Ronciak, John Cc: Kirsher, Jeffrey T; e1000-devel; Tantilov, Emil S Subject: Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h On Tue, Mar 10, 2015 at 9:58 PM, Ronciak, John john.ronc...@intel.com wrote: -Original Message

Re: [E1000-devel] ixgbe: kernel BUG at include/linux/mm.h

2015-03-10 Thread Tantilov, Emil S
-Original Message- From: Kirsher, Jeffrey T Sent: Tuesday, March 10, 2015 1:43 AM Subject: Re: ixgbe: kernel BUG at include/linux/mm.h On Tue, 2015-03-10 at 15:09 +0800, Bob Liu wrote: Hi Jeff, Recently I met an issue that is likely related with ixgbe driver which I'm not familiar.