On Tue, Jan 07, 2020 at 01:16:50PM +0100, Christian Borntraeger wrote: > On 07.01.20 12:55, Michael S. Tsirkin wrote: > > > > > I pushed batched-v3 - same head but bisect should work now. > > > > With > commit 38ced0208491103b50f1056f0d1c8f28e2e13d08 (HEAD) > Author: Michael S. Tsirkin <mst@xxxxxxxxxx> > AuthorDate: Wed Dec 11 12:19:26 2019 -0500 > Commit: Michael S. Tsirkin <mst@xxxxxxxxxx> > CommitDate: Tue Jan 7 06:52:42 2020 -0500 > > vhost: use batched version by default > > > I have exactly one successful ping and then the network inside the guest is broken (no packet > anymore). Does anything appear in host's dmesg when this happens? > So you could consider this commit broken (but in a different way and also without any > guest reboot necessary). > > > bisect log: > git bisect start > # bad: [d2f6175f52062ee51ee69754a6925608213475d2] vhost: use vhost_desc instead of vhost_log > git bisect bad d2f6175f52062ee51ee69754a6925608213475d2 > # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BLK_F_SCSI support > git bisect good d1281e3a562ec6a08f944a876481dd043ba739b9 > # good: [fac7c0f46996e32d996f5c46121df24a6b95ec3b] vhost: option to fetch descriptors through an independent struct > git bisect good fac7c0f46996e32d996f5c46121df24a6b95ec3b > # bad: [539eb9d738f048cd7be61f404e8f9c7d9d2ff3cc] vhost: batching fetches > git bisect bad 539eb9d738f048cd7be61f404e8f9c7d9d2ff3cc
