Messages in this thread | | | From | Andi Kleen <> | Subject | Re: x86_64 command line truncated II | Date | Mon, 7 Aug 2006 16:46:53 +0200 |
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On Monday 07 August 2006 16:42, Andy Whitcroft wrote: > Andi Kleen wrote: > > Andi Kleen <ak@suse.de> writes: > > > >> Andy Whitcroft <apw@shadowen.org> writes: > >> > >>> It seems that the command line on x86_64 is being truncated during boot: > >> in mm right? > >>> Will try and track it down. > >> Don't bother, it is likely "early-param" (the patch from > >> hell). I'll investigate. > > > > Following up myself ... > > > > Are you sure it's a regression? 2.6.17 does the same > > and we always had that 255 character limit (I tried > > to increase it once, but it broke some old lilo setups) > > > > i386 should be the same btw. > > Its not being truncated at 255 characters, its being truncated at the > first space. This is coming out of parse_args, which dumps '\0's into > the command_line as it rips it apart. We now only have one copy of the > command line (in x86_64) instead of two, so we now expose this trashed > copy in /proc/cmdline.
I don't see this in my version; so it's likely fixed already. I did quite a lot of changes on this patch already.
Please test
ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/early-param
-Andi
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