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Re: Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_proc.c:267 lockdep_stats_show()

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To: <mingo@...>
Cc: <m.kozlowski@...>, <torvalds@...>, <linux-kernel@...>, <sparclinux@...>, <a.p.zijlstra@...>
Date: Tuesday, January 8, 2008 - 7:06 pm

From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 8 Jan 2008 23:56:31 +0100


No, it's a sparc64 issue.

Another problem I ran into are the huge static table sizes
lockdep uses.  They really need to be either made smaller or
dynamically allocated.

Sparc64 has hard limitations on kernel size (due to firmware
and bootloader issues) and I hit these limits if I am not
careful on SMP with lockdep enabled.

Andi Kleen and I discussed in a thread several weeks ago.
I believe Andi even came up with a suggested direction to
fix this.

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Messages in current thread:
Linux 2.6.24-rc7, Linus Torvalds, (Sun Jan 6, 6:19 pm)
Re: Linux 2.6.24-rc7, Willy Tarreau, (Tue Jan 8, 9:17 pm)
Re: Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_pr..., David Miller, (Tue Jan 8, 7:06 pm)
Re: Linux 2.6.24-rc7: sparc64: WARNING: at kernel/lockdep_pr..., Mariusz Kozlowski, (Wed Jan 9, 12:31 pm)
Re: Linux 2.6.24-rc7, J.A. , (Mon Jan 7, 8:50 pm)
Re: Linux 2.6.24-rc7, Tejun Heo, (Tue Jan 8, 9:56 pm)
Re: Linux 2.6.24-rc7, J.A. , (Thu Jan 10, 5:25 am)
Re: Linux 2.6.24-rc7, Tejun Heo, (Thu Jan 10, 9:10 am)
Re: Linux 2.6.24-rc7, J.A. , (Sun Jan 13, 7:19 pm)
Re: Linux 2.6.24-rc7, Tejun Heo, (Sun Jan 13, 7:57 pm)
Re: Linux 2.6.24-rc7, J.A. , (Mon Jan 14, 7:38 pm)
Re: Linux 2.6.24-rc7, Tejun Heo, (Mon Jan 14, 7:56 pm)
Re: Linux 2.6.24-rc7, Avuton Olrich, (Tue Jan 8, 9:32 pm)
Re: Linux 2.6.24-rc7, Alejandro Riveira , (Mon Jan 7, 12:14 pm)
Re: Linux 2.6.24-rc7, Michael Buesch, (Mon Jan 7, 12:24 pm)
Re: Linux 2.6.24-rc7, Alejandro Riveira , (Mon Jan 7, 12:52 pm)
Re: Linux 2.6.24-rc7, Michael Buesch, (Mon Jan 7, 1:30 pm)
Re: Linux 2.6.24-rc7, Alejandro Riveira , (Mon Jan 7, 4:23 pm)
Re: Linux 2.6.24-rc7, Michael Buesch, (Tue Jan 8, 11:30 am)
Re: Linux 2.6.24-rc7, Alejandro Riveira , (Tue Jan 8, 11:55 am)
Re: Linux 2.6.24-rc7, Alejandro Riveira , (Mon Jan 7, 11:53 am)
section mismatch warning in head_64.S, Sam Ravnborg, (Mon Jan 7, 12:31 pm)
Re: section mismatch warning in head_64.S, Alejandro Riveira , (Tue Jan 15, 6:18 am)
smpboot_64 section mismatch warning, Sam Ravnborg, (Mon Jan 7, 12:27 pm)
Re: smpboot_64 section mismatch warning, David Howells, (Tue Jan 8, 7:17 am)
Re: smpboot_64 section mismatch warning, David Howells, (Mon Jan 7, 7:27 pm)
Re: smpboot_64 section mismatch warning, Alejandro Riveira , (Tue Jan 8, 5:14 am)
Re: Linux 2.6.24-rc7 kernel BUG at kernel/sched.c:5156!, Kamalesh Babulal, (Mon Jan 7, 8:13 am)
Re: Linux 2.6.24-rc7 Build Failure on headers_install, Kamalesh Babulal, (Mon Jan 7, 4:48 am)
Re: Linux 2.6.24-rc7 Build Failure on headers_install, Sam Ravnborg, (Mon Jan 7, 6:12 am)
Re: Linux 2.6.24-rc7 Build Failure on headers_install, Kamalesh Babulal, (Tue Jan 8, 6:51 am)
Re: Linux 2.6.24-rc7 Build Failure on headers_install, Sam Ravnborg, (Tue Jan 8, 9:10 am)
Re: Linux 2.6.24-rc7, Mark Lord, (Sun Jan 6, 7:52 pm)
Re: Linux 2.6.24-rc7, Linus Torvalds, (Sun Jan 6, 8:08 pm)
Re: Linux 2.6.24-rc7, Tejun Heo, (Sun Jan 6, 8:35 pm)
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