lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 6 Oct 2020 07:22:54 -0700 From: Guenter Roeck <linux@...ck-us.net> To: Sergey Senozhatsky <sergey.senozhatsky@...il.com>, Petr Mladek <pmladek@...e.com> Cc: Shreyas Joshi <shreyas.joshi@...mp.com>, rostedt@...dmis.org, shreyasjoshi15@...il.com, linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH] printk: handle blank console arguments passed in. On 10/6/20 6:33 AM, Sergey Senozhatsky wrote: > On (20/10/06 11:54), Petr Mladek wrote: >> On Tue 2020-10-06 15:59:07, Sergey Senozhatsky wrote: >>> On (20/10/05 20:35), Guenter Roeck wrote: >>>> On a side note, I don't see the problem presumably fixed with this >>>> patch in any of my tests. >>> >>> Hmm. This is rather interesting. Empty console= certainly oops-es my laptop, >> >> Just by chance. Do you have any log with the Oops? Or does it die >> silently? > > The laptop in question has fbdev and no serial. It dies with blank screen. > I'll try to dig it and get some backtrace or anything useful. > Some versions of systemd (and possibly other distributions) apparently react allergic if no console is present. See [1]. Maybe that is what happens with your laptop ? That exchange leads to the question what should be done with /dev/console if there is no console. On Chromebooks we see an error when trying to open it if I recall correctly. Guenter --- [1] https://github.com/systemd/systemd/issues/13332
Powered by blists - more mailing lists