linux-kernel - Re: 2.6.21-rc1 and 2.6.21-rc2 kwin dies silently

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Date:	Tue, 27 Mar 2007 07:48:42 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	g3vbv@...eyonder.co.uk
Cc:	Adrian Bunk <bunk@...sta.de>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-kernel@...r.kernel.org, auxsvr@...il.com
Subject: Re: 2.6.21-rc1 and 2.6.21-rc2 kwin dies silently

Sid Boyce <g3vbv@...eyonder.co.uk> writes:

> This is what I've got so far on the first boot, I shall have to check the
> manpage for git-bisect again to see if there is anything else to be added,
> nothing enlightening seen so far - further reboots to be done.

I'm a little confused at what I am seeing below.
Normally what happens is that after a kernel compile and test.  You call
"git-bisect bad" or "git-bisect good" and then git-bisect picks the next
kernel to test.  Then you compile and test that one.  It looks like
you called git-bisect bad several times in a row without testing....


Eric

> barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 22 revisions left to test after this
> [3fc605a2aa38899c12180ca311f1eeb61a6d867e] knfsd: allow the server to provide a
> gid list when using AUTH_UNIX authentication
> rrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 11 revisions left to test after this
> [ed8b4d4d7a31923db32f4684535944d69eb43677] qconf: hide empty list items
> barrabas:/usr/src/GIT/linux-2.6 #
> rrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 6 revisions left to test after this
> [66e7c7230fed159e138fc1292ee662b8bbdb74d6] qconf: relocate Search Command
> barrabas:/usr/src/GIT/linux-2.6 #
>
> barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 3 revisions left to test after this
> [895a39a084e5478121a74752a291165c4502378f] Make mkcompile_h use LANG=C and
> LC_ALL=C for $CC -v
>
> barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 2 revisions left to test after this
> [8c7e4498adfdb4aea5a0d056590ec18d099ba062] search a little harder for mkimage
>
> barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> Bisecting: 1 revisions left to test after this
> [b7de8e7e3c7b79a72c20c7fd58bd65df3d146b13] ia64: fix noncoherent DMA API so
> devres builds
>
> # git bisect bad
> b7de8e7e3c7b79a72c20c7fd58bd65df3d146b13 is first bad commit
> commit b7de8e7e3c7b79a72c20c7fd58bd65df3d146b13
> Author: Roland Dreier <rdreier@...co.com>
> Date:   Wed Feb 14 00:32:53 2007 -0800
>
>    [PATCH] ia64: fix noncoherent DMA API so devres builds
>
>    On ia64, drivers/base/dma-mapping.c doesn't build because it calls
>    dma_alloc_noncoherent() and dma_free_noncoherent(), which appear to be
>    terminally broken; the calls end up generating errors like
>
>        drivers/base/dma-mapping.c: In function 'dmam_noncoherent_release':
>        drivers/base/dma-mapping.c:32: error: 'struct ia64_machine_vector' has no
> member named 'platform_dma_free_coherent'
>
>    because the multiple levels of macro expansion in <asm/dma-mapping.h> and
>    <asm/machvec.h> end up turning a call to dma_free_noncoherent() into
>    ia64_mv.platform_dma_free_coherent (instead of the intended
>    ia64_mv.dma_free_coherent).
>
>    This patch fixes this by converting dma_{alloc,free}_noncoherent() into
>    inline functions that call the corresponding coherent functions, instead of
>    trying to do this with macros.
>
>    Signed-off-by: Roland Dreier <rolandd@...co.com>
>    Acked-by: Tony Luck <tony.luck@...el.com>
>    Cc: Al Viro <viro@...iv.linux.org.uk>
>    Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
>    Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
> :040000 040000 ac36019577dc1846a5655918cf9d6b2541c398cf
> ba536f54303cc9495b7839763ed1121d3a22154c M      include
>
> barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> 86a71dbd3e81e8870d0f0e56b87875f57e58222b
> Bisecting: 44 revisions left to test after this
> [208367eeec8d6f6fcee1a0672af2149aeee7b658] sysctl: cdrom: remove unnecessary
> insert_at_head flag
>
> barrabas:/usr/src/GIT/linux-2.6 # git bisect good
> ac98695d6c1508b724f246f38ce57fb4e3cec356
> Bisecting: 44 revisions left to test after this
> [208367eeec8d6f6fcee1a0672af2149aeee7b658] sysctl: cdrom: remove unnecessary
> insert_at_head flag
>
> Regards
> Sid.
>
> -- 
> Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
> Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support Specialist,
> Cricket Coach
> Microsoft Windows Free Zone - Linux used for all Computing Tasks
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