> -----Original Message----- > From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx] > Sent: Monday, July 14, 2014 5:31 PM > To: Haiyang Zhang > Cc: KY Srinivasan; David S. Miller; devel@xxxxxxxxxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx > Subject: Re: [BISECTED][REGRESSION] Loading Hyper-V network drivers is > racy in 3.14+ on Hyper-V 2012 R2 > > On Fri, Jul 11, 2014 at 03:25:11PM +0000, Haiyang Zhang wrote: > > Since you found the commit b679ef73edc is related to this problem, > > could you do a simple test: > > Reduce the receive buffer size back to 2MB, like below, then re-test > > it, see if the problem goes away? > > drivers/net/hyperv/hyperv_net.h > > #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*2) /* 2MB > */ > > After doing this I was able to reach over 900 reboots where the network > connected properly. Thanks for the tests! I will make a patch that can automatically retry smaller memory allocs when memory is insufficient. Thanks, - Haiyang _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
