On Sun, 8 Jan 2017 14:28:09 +0100 Steffen Dettmer <steffen.dett...@gmail.com> wrote:
> Hi, > > What happened before: > I had issue with a Debian server SATA bus [1]. I noticed because > apt-get upgrade hung, because initramfs updater calls "sync" which > hang because of [1]. All operations accessing a certain (backup) disk > blocked. Shutdown over network. It was reported server power LED still > up, so probably shutdown hang, too. Server was powered off and disk > pulled. > > Then server did not come up. Now I went to its location with monitor > and keyboard. I saw a screen full of boot messages, each line prefixed > with green "[OK]". On bottom, I got asked for root password. I though > Debian does not use root passwords? I'm old fashioned so fortunately I > set one, so I could log in. > > I noticed /var/log/syslog had not been updated recently. Obviously > logging is not running / working. All file systems are correctly > mounted read-write. > > What happens? Why is however dropping me only a shell when everything > from booting worked fine? > What is this for a bad idea to spawn a LOCAL shell on a server? Or is > Debian nowadays desktop only? I know ubuntu-server, is there also some > debian-server? > > Any hint appreciated. > > Steffen > > > > [1] > task kworker/u8:0:27432 blocked for more than 120 seconds > Workqueue: writeback bdi_writeback_workfn (flush-8:48) > [<ffffffff81510d09>] ? io_schedule+0x99/0x120 > ... >