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Date: Tue, 13 Nov 2007 19:12:28 +0100 From: Adrian Bunk <bunk@...nel.org> To: Mark Lord <liml@....ca> Cc: Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org>, David Miller <davem@...emloft.net>, protasnb@...il.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, alsa-devel@...a-project.org, linux-ide@...r.kernel.org, linux-pcmcia@...ts.infradead.org, linux-input@...ey.karlin.mff.cuni.cz, bugme-daemon@...zilla.kernel.org Subject: Re: [BUG] New Kernel Bugs On Tue, Nov 13, 2007 at 12:50:08PM -0500, Mark Lord wrote: > Ingo Molnar wrote: >> >> for example git-bisect was godsent. I remember that years ago bisection of >> a bug was a very laborous task so that it was only used as a final, >> last-ditch approach for really nasty bugs. Today we can autonomouly bisect >> build bugs via a simple shell command around "git-bisect run", without any >> human interaction! This freed up testing resources > .. > > It's only a godsend for the few people who happen to be kernel developers It's also godsend for users who want a regression they observe fixed. If you can tell which patch broke it you often turned a very hard to debug problem into a relatively easy fixable problem. As an example, [1] was an issue a normal user could discover, and bisecting made the difference between "nearly undebuggable" and "easily fixable by revertng a commit". > and who happen to already use git. As already said in thread, the required instructions for bisecting are relatively short and simple (assuming the user can build his own kernels). > It's a 540MByte download over a slow link for everyone else. Not everyone has a slow connection. For me, the speed of cloning a tree from git.kernel.org is completely cpu bound and limited by the speed of the 1.8 Ghz Athlon in my computer... But if there is a real life problem like people with extremely slow and expensive internet connections not being able to bisect bugs these problems should be named and fixed (e.g. by sending CDs). > -ml cu Adrian [1] http://lkml.org/lkml/2007/11/12/154 -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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