Re: Possible regression with skb_clone() in 2.6.36

On 2010-09-09 01:32, Gustavo F. Padovan wrote:

I've been experiencing some problems when running the L2CAP Streaming mode in
2.6.36. The system quickly runs in an Out Of Memory condition and crash. That
wasn't happening before, so I think we may have a regression here (I didn't
find where yet). The crash log is below.

The following patch does not fix the regression, but shows that removing the
skb_clone() call from l2cap_streaming_send() we workaround the problem. The
patch is good anyway because it saves memory and time.

By now I have no idea on how to fix this.

My suggestion is to check the length of conn->data_q in hci_send_acl()
while this happens, and maybe try to set some limit here.

Jarek P.