On 5/5/20 8:41 AM, Jens Axboe wrote: > On 5/5/20 4:04 AM, Stefan Metzmacher wrote: >> Hi Jens, >> >> we currently have a bug report [1][2] regarding a data corruption with >> Samba's vfs_io_uring.c [3]. >> >> Is there're a know problem in newer kernels? It seems the 5.3 Kernel >> doesn't have the problem (at least Jeremy wasn't able to reproduce it >> on the Ubuntu 5.3 kernel). >> >> Do you have any hints how to track that down? > > I'll take a look at this! Any chance Jeremy can try 5.4 and 5.5 as well, > just to see where we're at, roughly? That might be very helpful. Trying to setup samba in a vm here to attempt to reproduce. I'm a major samba noob, running with the smb.conf from the reporters email, I get: [2020/05/05 15:43:07.126674, 0] ../../source4/smbd/server.c:629(binary_smbd_main) samba version 4.12.2 started. Copyright Andrew Tridgell and the Samba Team 1992-2020 [2020/05/05 15:43:07.152828, 0] ../../source4/smbd/server.c:826(binary_smbd_main) At this time the 'samba' binary should only be used for either: 'server role = active directory domain controller' or to access the ntvfs file server with 'server services = +smb' or the rpc proxy with 'dcerpc endpoint servers = remote' You should start smbd/nmbd/winbindd instead for domain member and standalone file server tasks [2020/05/05 15:43:07.152937, 0] ../../lib/util/become_daemon.c:121(exit_daemon) exit_daemon: daemon failed to start: Samba detected misconfigured 'server role' and exited. Check logs for details, error code 22 Clue bat appreciated. -- Jens Axboe
