Re: 2.6.23-rc3-mm1 - memory layout change? - lost support for MAP_32BIT? - mono crashes

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To: Andrew Morton <akpm@...>
Cc: <linux-kernel@...>
Date: Wednesday, August 22, 2007 - 10:08 pm

On Wed, 2007-08-22 at 02:06 -0700, Andrew Morton wrote:
2.6.23-rc3-mm1/

After installing this new wonder kernel on my AMD-64 laptop, I
discovered that Beagle wouldn't start.  While enjoying how fast my
system felt ( :) ) I also discovered that Evolution wouldn't start
because it was built with mono integration.

Can't live without email, so I poked at it and discovered that if I run
mono applications (including Evolution) with the legacy memory layout,
they work.

Like this: setarch x86_64 -L evolution

This didn't happen on -rc2-mm2, so I think somebody changed something.
Mono claims to mmap with the MAP_32BIT option.

In -rc3-mm1 strace shows mono's mmap like this:
mmap(NULL, 65536, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS=
|MAP_32BIT, -1, 0) =3D 0x7fa21f5cb000

It's got MAP_32BIT, but that's not a 32-bit address...
--=20
Zan Lynx <zlynx@acm.org>
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Messages in current thread:
2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 5:06 am)
Re: 2.6.23-rc3-mm1, , (Wed Aug 29, 10:04 am)
Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc, Ulrich Drepper, (Wed Aug 29, 10:46 pm)
oops at sr_block_release [Re: 2.6.23-rc3-mm1], Jiri Slaby, (Tue Aug 28, 7:32 am)
Re: oops at sr_block_release [Re: 2.6.23-rc3-mm1], Andrew Morton, (Tue Aug 28, 10:58 pm)
Re: oops at sr_block_release [Re: 2.6.23-rc3-mm1], Satyam Sharma, (Tue Aug 28, 11:08 am)
Re: oops at sr_block_release [Re: 2.6.23-rc3-mm1], Jiri Slaby, (Tue Aug 28, 11:21 am)
[-mm patch] iwl-base.c bugfixes, Adrian Bunk, (Mon Aug 27, 5:29 pm)
Re: [-mm patch] iwl-base.c bugfixes, Tomas Winkler, (Mon Aug 27, 6:34 pm)
[-mm patch] ivtv-fb.c bugfix, Adrian Bunk, (Mon Aug 27, 5:29 pm)
Re: [v4l-dvb-maintainer] [-mm patch] ivtv-fb.c bugfix, Hans Verkuil, (Tue Aug 28, 2:30 am)
[-mm patch] mousedev.c:mixdev_open_devices() bugfix, Adrian Bunk, (Mon Aug 27, 5:28 pm)
[-mm patch] unexport noautodma, Adrian Bunk, (Mon Aug 27, 5:28 pm)
[-mm patch] remove unwind exports, Adrian Bunk, (Mon Aug 27, 5:27 pm)
2.6.23-rc3-mm1: m32r defconfig compile error, Adrian Bunk, (Mon Aug 27, 5:27 pm)
Re: 2.6.23-rc3-mm1: m32r defconfig compile error, Hirokazu Takata, (Mon Aug 27, 11:50 pm)
[-mm patch] unexport sys_{open,read}, Adrian Bunk, (Mon Aug 27, 5:27 pm)
Re: [-mm patch] unexport sys_{open,read}, Arjan van de Ven, (Mon Aug 27, 6:53 pm)
Re: [-mm patch] unexport sys_{open,read}, Adrian Bunk, (Mon Aug 27, 7:17 pm)
[-mm patch] unexport snd_ctl_elem_{read,write}, Adrian Bunk, (Mon Aug 27, 5:27 pm)
[-mm patch] make do_restart_poll() static, Adrian Bunk, (Mon Aug 27, 5:27 pm)
[-mm patch] remove parport_device_num(), Adrian Bunk, (Mon Aug 27, 5:27 pm)
[-mm patch] make "struct menu_governor" static (again), Adrian Bunk, (Mon Aug 27, 5:27 pm)
X freezes kernel during exit [Re: 2.6.23-rc3-mm1], Jiri Slaby, (Sun Aug 26, 9:04 am)
Re: X freezes kernel during exit [Re: 2.6.23-rc3-mm1], Andrew Morton, (Sun Sep 9, 8:47 am)
Re: X freezes kernel during exit [Re: 2.6.23-rc3-mm1], Dave Airlie, (Tue Sep 11, 11:18 am)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Fri Aug 24, 7:27 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Fri Aug 24, 8:07 pm)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Fri Aug 24, 8:47 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Fri Aug 24, 11:30 pm)
Re: 2.6.23-rc3-mm1, Dave Jones, (Sat Aug 25, 12:28 am)
Re: 2.6.23-rc3-mm1, Paul Rolland, (Sat Aug 25, 3:55 am)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Sat Aug 25, 7:37 pm)
Re: 2.6.23-rc3-mm1, john stultz, (Fri Aug 24, 8:21 pm)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Sat Aug 25, 6:39 pm)
Re: 2.6.23-rc3-mm1, Dave Jones, (Fri Aug 24, 8:14 pm)
RE: 2.6.23-rc3-mm1, Pallipadi, Venkatesh, (Fri Aug 24, 8:13 pm)
RE: 2.6.23-rc3-mm1, Pallipadi, Venkatesh, (Fri Aug 24, 8:38 pm)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Sat Aug 25, 7:26 pm)
Re: 2.6.23-rc3-mm1, Randy Dunlap, (Sat Aug 25, 7:57 pm)
Re: 2.6.23-rc3-mm1, Tilman Schmidt, (Mon Aug 27, 9:35 am)
2.6.23-rc3-mm1 - irda goes belly up, , (Thu Aug 23, 9:33 am)
Re: 2.6.23-rc3-mm1 - irda goes belly up, Andrew Morton, (Thu Aug 23, 5:16 pm)
[PATCH 1/2] sysctl: Properly register the irda binary sysctl..., Eric W. Biederman, (Thu Aug 23, 11:53 pm)
Re: [PATCH 1/2] sysctl: Properly register the irda binary sy..., Eric W. Biederman, (Sat Aug 25, 8:57 am)
[PATCH] sysctl: Update sysctl_check to handle compiled out c..., Eric W. Biederman, (Sat Aug 25, 2:03 pm)
Re: [PATCH 1/2] sysctl: Properly register the irda binary sy..., Eric W. Biederman, (Sat Aug 25, 1:59 pm)
Re: [PATCH 1/2] sysctl: Properly register the irda binary sy..., Eric W. Biederman, (Tue Aug 28, 5:06 pm)
[PATCH 2/2] sysctl: For irda update sysctl_checks list of bi..., Eric W. Biederman, (Thu Aug 23, 11:55 pm)
Re: 2.6.23-rc3-mm1 - irda goes belly up, Eric W. Biederman, (Thu Aug 23, 11:46 pm)
Re: 2.6.23-rc3-mm1 - irda goes belly up, Eric W. Biederman, (Thu Aug 23, 11:11 pm)
Re: 2.6.23-rc3-mm1 - irda goes belly up, Alexey Dobriyan, (Thu Aug 23, 1:37 pm)
Re: 2.6.23-rc3-mm1 - memory layout change? - lost support f..., Zan Lynx, (Wed Aug 22, 10:08 pm)
Re: 2.6.23-rc3-mm1 - memory layout change? - lost support f..., Arjan van de Ven, (Fri Aug 24, 12:17 pm)
[-mm patch] enforce noreplace-smp in alternative_instruction..., Frederik Deweerdt, (Wed Aug 22, 4:25 pm)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Jeremy Fitzhardinge, (Thu Aug 23, 7:16 pm)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Frederik Deweerdt, (Fri Aug 24, 2:06 am)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Frederik Deweerdt, (Fri Aug 24, 2:04 am)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Jeremy Fitzhardinge, (Fri Aug 24, 2:46 am)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Frederik Deweerdt, (Fri Aug 24, 4:22 am)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Frederik Deweerdt, (Sat Aug 25, 8:23 am)
Re: [-mm patch] enforce noreplace-smp in alternative_instruc..., Frederik Deweerdt, (Sat Aug 25, 5:14 pm)
Re: [PATCH] Fix lguest page-pinning logic ("lguest: bad stac..., Frederik Deweerdt, (Thu Aug 30, 12:38 pm)
[PATCH] Fix out-by-one error in traps.c, Rusty Russell, (Thu Aug 30, 6:14 pm)
Re: [PATCH] Fix out-by-one error in traps.c, Linus Torvalds, (Fri Aug 31, 12:44 am)
Re: [PATCH] Fix out-by-one error in traps.c, Rusty Russell, (Fri Aug 31, 2:03 am)
Re: [PATCH] Fix out-by-one error in traps.c, Linus Torvalds, (Fri Aug 31, 3:51 am)
Re: [PATCH] Fix out-by-one error in traps.c, Rusty Russell, (Fri Aug 31, 1:37 pm)
Re: [PATCH] Fix out-by-one error in traps.c, Linus Torvalds, (Fri Aug 31, 2:24 pm)
Re: [PATCH] Fix out-by-one error in traps.c, Rusty Russell, (Tue Sep 4, 2:18 pm)
Re: 2.6.23-rc3-mm1: inlining failures in sound/pci/hda/hda_c..., Mariusz Kozlowski, (Wed Aug 22, 4:23 pm)
Re: 2.6.23-rc3-mm1: inlining failures in sound/pci/hda/hda_c..., Mariusz Kozlowski, (Wed Aug 22, 5:18 pm)
Re: 2.6.23-rc3-mm1, Michal Piotrowski, (Wed Aug 22, 10:19 am)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 12:17 pm)
Re: 2.6.23-rc3-mm1, Torsten Kaiser, (Wed Aug 22, 1:24 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 2:14 pm)
Re: 2.6.23-rc3-mm1, Mel Gorman, (Wed Aug 22, 1:17 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 2:10 pm)
Re: 2.6.23-rc3-mm1, Andi Kleen, (Thu Aug 23, 8:07 am)
Re: 2.6.23-rc3-mm1, Mel Gorman, (Thu Aug 23, 12:25 pm)
Re: 2.6.23-rc3-mm1, Andy Whitcroft, (Thu Aug 23, 8:03 am)
Re: 2.6.23-rc3-mm1, Sam Ravnborg, (Thu Aug 23, 8:28 am)
Re: 2.6.23-rc3-mm1, Sam Ravnborg, (Thu Aug 23, 10:24 am)
Re: 2.6.23-rc3-mm1, Andi Kleen, (Thu Aug 23, 8:22 am)
Re: 2.6.23-rc3-mm1, Andy Whitcroft, (Thu Aug 23, 8:34 am)
Re: 2.6.23-rc3-mm1, Mel Gorman, (Thu Aug 23, 7:39 am)
Re: net/ipv4/fib_trie.c - compile error (Re: 2.6.23-rc3-mm1), Paul E. McKenney, (Wed Aug 22, 1:03 pm)
Re: net/ipv4/fib_trie.c - compile error (Re: 2.6.23-rc3-mm1), Jarek Poplawski, (Mon Aug 27, 2:36 am)
Re: net/ipv4/fib_trie.c - compile error (Re: 2.6.23-rc3-mm1), Paul E. McKenney, (Mon Aug 27, 12:23 pm)
Re: 2.6.23-rc3-mm1, Gabriel C, (Wed Aug 22, 9:33 am)
[-mm patch] make types.h usable for non-gcc C parsers, Adrian Bunk, (Mon Aug 27, 5:27 pm)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Andrew Morton, (Tue Aug 28, 3:37 am)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Mike Frysinger, (Tue Aug 28, 1:42 pm)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Randy Dunlap, (Tue Aug 28, 10:40 am)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Michael Matz, (Tue Aug 28, 10:19 am)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Mike Frysinger, (Mon Aug 27, 5:34 pm)
Re: [-mm patch] make types.h usable for non-gcc C parsers, Mike Frysinger, (Mon Aug 27, 5:42 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 12:09 pm)
Re: 2.6.23-rc3-mm1, Gabriel C, (Wed Aug 22, 1:01 pm)
[BUG] 2.6.23-rc3-mm1 - kernel BUG at net/core/skbuff.c:95!, Kamalesh Babulal, (Wed Aug 22, 9:02 am)
[BUG] fs/xfs/xfs_bmap_btree.c:2312: error: 'b' undeclared (f..., Michal Piotrowski, (Wed Aug 22, 6:11 am)
Re: [BUG] fs/xfs/xfs_bmap_btree.c:2312: error: 'b' undeclare..., Michal Piotrowski, (Wed Aug 22, 6:27 am)
Re: 2.6.23-rc3-mm1: net/wireless/rt2x00mac.c build failure, Mariusz Kozlowski, (Wed Aug 22, 3:16 pm)
Re: 2.6.23-rc3-mm1: net/wireless/rt2x00mac.c build failure, John W. Linville, (Wed Aug 22, 3:58 pm)
Re: 2.6.23-rc3-mm1: net/wireless/rt2x00mac.c build failure, Mariusz Kozlowski, (Wed Aug 22, 3:54 pm)
Re: 2.6.23-rc3-mm1: net/wireless/rt2x00mac.c build failure, Rafael J. Wysocki, (Wed Aug 22, 4:22 pm)
Re: 2.6.23-rc3-mm1: kgdb build failure on powerpc, Mariusz Kozlowski, (Wed Aug 22, 3:04 pm)
Re: 2.6.23-rc3-mm1: kgdb build failure on powerpc, Andrew Morton, (Wed Aug 22, 3:47 pm)
Re: [Kgdb-bugreport] 2.6.23-rc3-mm1: kgdb build failure on p..., Pete/Piet Delaney, (Wed Aug 29, 7:43 pm)
Re: [Kgdb-bugreport] 2.6.23-rc3-mm1: kgdb build failure on p..., Pete/Piet Delaney, (Wed Aug 29, 9:19 pm)
Re: [Kgdb-bugreport] 2.6.23-rc3-mm1: kgdb build failure on p..., Pete/Piet Delaney, (Wed Aug 29, 8:05 pm)
Re: 2.6.23-rc3-mm1: WARNING: during resume from suspend on x..., Rafael J. Wysocki, (Wed Aug 22, 1:30 pm)
Re: 2.6.23-rc3-mm1: locking boot-time self-test failure, Mariusz Kozlowski, (Wed Aug 22, 1:26 pm)
Re: 2.6.23-rc3-mm1: locking boot-time self-test failure, Frederik Deweerdt, (Wed Aug 22, 5:27 pm)
Re: 2.6.23-rc3-mm1: fix b43 compilation, Rafael J. Wysocki, (Wed Aug 22, 12:33 pm)
Re: 2.6.23-rc3-mm1: fix b43 compilation, Michael Buesch, (Wed Aug 22, 5:56 pm)
Re: 2.6.23-rc3-mm1: fix b43 compilation, John W. Linville, (Wed Aug 22, 10:56 pm)
Re: 2.6.23-rc3-mm1: fix b43 compilation, Andrew Morton, (Thu Aug 23, 3:07 am)
Re: 2.6.23-rc3-mm1, Randy Dunlap, (Wed Aug 22, 2:03 pm)
Re: 2.6.23-rc3-mm1, Andrew Morton, (Wed Aug 22, 2:32 pm)
Re: 2.6.23-rc3-mm1, Andi Kleen, (Wed Aug 22, 3:38 pm)
Re: 2.6.23-rc3-mm1, Randy Dunlap, (Wed Aug 22, 3:17 pm)
Re: 2.6.23-rc3-mm1, Andi Kleen, (Wed Aug 22, 4:53 pm)