[lkml]   [2007]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: New thread RDSL, post-2.6.20 kernels and amanda (tar) miss-fires
On Tue, Mar 13, 2007 at 11:31:53PM -0400, Gene Heskett wrote:
>> Now, can someone suggest a patch I can revert that might fix this? The
>> total number of patches between 2.6.20 and 2.6.21-rc1 will have me
>> building kernels to bisect this till the middle of June at this rate.

On Tue, Mar 13, 2007 at 10:07:21PM -0700, William Lee Irwin III wrote:
> 4 billion patches could be bisected in 34 boots. Between 2.6.20 and
> 2.6.21-rc1 there are only:
> $ git rev-list --no-merges v2.6.20..v2.6.21-rc1 |wc -l
> 3118
> patches, requiring 14 boots. In general ceil(log(n)/log(2))+2 boots.
> Of course, this is a little optimistic because it assumes no additional
> breakage occurring at the various bisection points. In any event,
> assuming (pessimistically) 10 minutes per build, this is 280 minutes or
> 4 hours and 40 minutes of build time. I estimate the process should
> complete well before Friday of this week, never mind June.

33 boots for 4 billion, 13 boots for 3118, ceil(log(n)/log(2))+1 boots
in general, 10 minutes/build gives 130 minutes or 2 hours, 10 minutes
for 13 boots. I have no plausible explanation for these errors, and
don't care to be told of any, either.

-- wli
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-03-14 06:47    [W:0.067 / U:9.888 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site