Re: [RFC PATCH] Add TRACE_IRQFLAGS_SUPPORT, LOCKDEP_SUPPORT then enable ftrace for ia64
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- To: Luming Yu <luming.yu@xxxxxxxxx>
- Subject: Re: [RFC PATCH] Add TRACE_IRQFLAGS_SUPPORT, LOCKDEP_SUPPORT then enable ftrace for ia64
- From: Tony Luck <tony.luck@xxxxxxxxx>
- Date: Mon, 7 Dec 2009 13:35:18 -0800
- Cc: Ingo Molnar <mingo@xxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, Felix Blyakher <felixb@xxxxxxx>, "Li, Shaohua" <shaohua.li@xxxxxxxxx>, Bob Picco <bob.picco@xxxxxx>
- In-reply-to: <3877989d0912062156v7ba2a192y726f45b550ba50e@xxxxxxxxxxxxxx>
- List-id: <linux-ia64.vger.kernel.org>
- References: <3877989d0908272018va6ee8f7n7ab2838fdf1b26e6@xxxxxxxxxxxxxx> <20090828062212.GB11552@xxxxxxx> <3877989d0912032329u7c05a761wfdd5c7000b43218d@xxxxxxxxxxxxxx> <4BDB13256095B24D9644F65379E604265C12@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <3877989d0912041919i458300d7ydce73cf77979dad3@xxxxxxxxxxxxxx> <3877989d0912062156v7ba2a192y726f45b550ba50e@xxxxxxxxxxxxxx>
> please check out the attached config.
Your config fails for me too (same way, blank screen, nothing on
serial console).
Essentially I applied your patch to 2.6.32 (patch only gave a few
"offset" warnings). Kernel
builds ok, and boots on tiger (using tiger_defconfig).
When I turned on some LOCKDEP bits (see attached config) it fails.
Nothing on the
early uart console to say why. Screen just blanks right away.
-Tony
Attachment:
bad.lockdep.config
Description: Binary data
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