Messages in this thread | | | Date | Tue, 18 Dec 2018 11:48:12 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH] printk: increase devkmsg write() ratelimit |
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On Tue, Dec 18, 2018 at 06:18:42PM +0900, Sergey Senozhatsky wrote: > Hello, > > RFC > > A painful subject: > > I just noticed that stock systemd (no systemd debugging enabled) on my > x86 box write()-s during shutdown to devkmsg more than before, so old > devkmsg ratelimits do not apply: > > $ sudo journalctl -n 40000 -f | grep "kernel: printk: systemd-shutdow" > kernel: printk: systemd-shutdow: 35 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 31 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 35 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 36 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 36 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 36 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 36 output lines suppressed due to ratelimiting > kernel: printk: systemd-shutdow: 35 output lines suppressed due to ratelimiting > > I know that there is a "kernel.printk_devkmsg" interface; do we > expect every systemd-enabled distro to find that out and to tweak > kernel.printk_devkmsg or shall we change the default devkmsg > ratelimit instead?
How about we complain to systemd instead?
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