linux-kernel - Re: weird and wrong directory entries

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Message-ID: <20150123035711.GA462@swordfish>
Date:	Fri, 23 Jan 2015 12:57:11 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Alexander Holler <holler@...oftware.de>
Cc:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Al Viro <viro@...IV.linux.org.uk>,
	Paul Moore <pmoore@...hat.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: weird and wrong directory entries

On (01/23/15 04:30), Alexander Holler wrote:
> Am 23.01.2015 um 03:06 schrieb Sergey Senozhatsky:
> > On (01/23/15 01:30), Al Viro wrote:
> >> On Fri, Jan 23, 2015 at 09:42:21AM +0900, Sergey Senozhatsky wrote:
> >>> Hello gents,
> >>>
> >>> I observe this sick behaviour for the past few days. (sorry, some lines are
> >>> over 80 symbols). all of the things above are happening during kernel compilation.
> >>> attached .config.
> >>
> >>> happens both on reiserfs and ext4, both on current linus's tree and linux-next.
> >>> no doubt, an attempt to rm -fr pkg/   kills   /usr/, etc.
> >>>
> >>
> >>> I'm puzzled. any thoughts?
> >>
> >> Try to bisect, perhaps?
> >>
> 
> There are some weird pieces in the kernel buildsysten which are
> generating Makefile content based on some filenames and might brake or
> confuse future builds. See e.g. https://lkml.org/lkml/2014/10/19/10.
> 
> Maybe you've stumbled over a similiar thing.
> 

Hm, basically, I don't add any new files, especially with commas, etc.,
just kernel.org vanilla and linux-next.


things like this:

$ ll
ls: cannot access /ho: No such file or directory
total 12
d????????? ? ?  ?     ?            ? /ho
drwxr-xr-x 3 ss ss 4096 Jan 23 08:44 ethernet
-rw-r--r-- 1 ss ss 3195 Jan 23 08:44 mii.ko.gz
drwxr-xr-x 2 ss ss 4096 Jan 23 08:44 usb

make me think that I'm facing a bit different kind of issues.

gonna bisect for a while. marked Sept 19th tree as good. the issue is not
100% reproducible, and 1 `ok build' doesn't mean anything. let's see if
this will fly.

	-ss

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