Also adding Cornelia.
On 06.02.20 23:17, Michael S. Tsirkin wrote:
> On Thu, Feb 06, 2020 at 04:12:21PM +0100, Christian Borntraeger wrote:
>>
>>
>> On 06.02.20 15:22, eperezma@xxxxxxxxxx wrote:
>>> Hi Christian.
>>>
>>> Could you try this patch on top of ("38ced0208491 vhost: use batched version by default")?
>>>
>>> It will not solve your first random crash but it should help with the lost of network connectivity.
>>>
>>> Please let me know how does it goes.
>>
>>
>> 38ced0208491 + this seem to be ok.
>>
>> Not sure if you can make out anything of this (and the previous git bisect log)
>
> Yes it does - that this is just bad split-up of patches, and there's
> still a real bug that caused worse crashes :)
>
> So I just pushed batch-v4.
> I expect that will fail, and bisect to give us
> vhost: batching fetches
> Can you try that please?
>
yes.
eccb852f1fe6bede630e2e4f1a121a81e34354ab is the first bad commit
commit eccb852f1fe6bede630e2e4f1a121a81e34354ab
Author: Michael S. Tsirkin <mst@xxxxxxxxxx>
Date: Mon Oct 7 06:11:18 2019 -0400
vhost: batching fetches
With this patch applied, new and old code perform identically.
Lots of extra optimizations are now possible, e.g.
we can fetch multiple heads with copy_from/to_user now.
We can get rid of maintaining the log array. Etc etc.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
drivers/vhost/test.c | 2 +-
drivers/vhost/vhost.c | 39 ++++++++++++++++++++++++++++++++++-----
drivers/vhost/vhost.h | 4 +++-
3 files changed, 38 insertions(+), 7 deletions(-)
>
