> -----Original Message----- > From: Sitsofe Wheeler [mailto:sits...@gmail.com] > Sent: Monday, July 14, 2014 5:31 PM > To: Haiyang Zhang > Cc: KY Srinivasan; David S. Miller; de...@linuxdriverproject.org; linux- > ker...@vger.kernel.org; net...@vger.kernel.org > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
