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Date: Thu, 28 Dec 2006 10:15:48 +0100 From: Ingo Molnar <mingo@...e.hu> To: Pavel Machek <pavel@....cz> Cc: Andrew Morton <akpm@...l.org>, Jeremy Fitzhardinge <jeremy@...p.org>, Linus Torvalds <torvalds@...l.org>, linux-kernel@...r.kernel.org Subject: Re: [patch] change WARN_ON back to "BUG: at ..." * Pavel Machek <pavel@....cz> wrote: > > But lots of people have now written downstream log-parsing tools > > which might break due to this change, so I'm inclined to go with > > Ingo's patch, and restore the old (il)logic. > > People should not be parsing syslog. If they do, they deserve > occassional breakage. so what other method do you propose to those who are working on increasing the reliability of the kernel by running automatic regression tests and boot allyesconfig kernels, to figure out whether out of the tons of kernel logs there was any problem? Right now "^BUG: " is a pretty universal filter, and i dont see a problem in preserving that. (for lockdep there's a 'debug_locks' line in /proc/lockdep_stats that tells us whether any lock related assert was printed by the kernel, and my scripts monitor that. Along that line we could introduce a /proc/sys/kernel/bugs counter for tools to monitor. But even after that, you have to find the place in the syslog so having a text signature for kernel bugs is still a good idea.) Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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