On 16-3-2015 22:24, Alexander Motin wrote: > On 16.03.2015 23:13, Bryan Venteicher wrote: >> On Mon, Mar 16, 2015 at 3:13 PM, Alexander Motin <m...@freebsd.org >> <mailto:m...@freebsd.org>> wrote: >> Author: mav >> Date: Mon Mar 16 20:13:25 2015 >> New Revision: 280154 >> URL: https://svnweb.freebsd.org/changeset/base/280154 >> >> Log: >> Report that we may have write cache, and that we do support FLUSH. >> >> FreeBSD guest driver does not use that legacy flag, but Linux >> seems does. >> >> The guest driver calls it by a prior name: VIRTIO_BLK_F_WCE. The write >> cache stuff went through several iterations, and goes away in VirtIO 1.0 >> specification. > > Yes, I've found that in the driver after the commit. But as I can see > driver does nothing about it, except reporting via sysctl. I was > confused by not seeing any use of that flag in data path. >
There was a point in time that this Flush was in the way of booting certain Linux versions. I guess that accepting, but ignoring, which what I did at a certain point in my code, got me going. Until extra code made it in the code and the command got us further with our progress in Bhyve. --WjW _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
