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[01:27:35] <KGB-linuxcnc> 03andy 05master 70522ab 06linuxcnc 10docs/man/man9/matrix_kb.9 10src/hal/components/matrix_kb.c * Make matrix_kb handle the new 7i73 key-rollover firmware.
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[01:42:02] <jepler> cradek: though my test program is properly compiled at -O2 -ffast-math, linuxcnc is not
[01:42:02] <jepler> so -Os -> -O2 is not a fix
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[01:42:37] <jepler> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56125
[01:42:43] <jepler> it is fixed in the version of gcc 4.7 from experimental
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[02:01:03] <KGB-linuxcnc> 03andy 05master 733b1b7 06linuxcnc 10src/hal/drivers/mesa-hostmot2/sserial.c
[02:01:04] <KGB-linuxcnc> Be a bit cleverer about lower-case conversion of string data with smart-serial remotes.
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[02:30:53] <KGB-linuxcnc> 03jepler 05v2.5_branch b864d3a 06linuxcnc 10src/ 10Makefile 10Makefile.modinc.in * build: disable -funsafe-math-optimizations
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[02:43:27] <cradek> wow, that was fixed FAST
[02:43:42] <cradek> 3 days
[02:45:14] <cradek> jepler: thanks for working your magic too
[02:45:39] <jepler> cradek: it's pretty self-serving
[02:46:01] <cradek> welcome to FLOSS
[02:46:42] <jepler> linux-rt runs on my new laptop, but the latency gets very bad when I open/close OpenGL windows (nvidia proprietary opengl)
[02:47:12] <jepler> (rtos-integration-preview3 from mah's git)
[02:47:16] <cradek> it has no IO anyway does it?
[02:47:25] <jepler> it has hypothetical I/O
[02:47:55] <jepler> expresscard -> pcie -> mesa, if I wanted to buy hundreds of dollars of I/O hardware for no real purpose
[02:48:01] <cradek> haha
[02:48:12] <jepler> which I do all the time as you know
[02:48:19] <cradek> so you could maybe use the vesa driver and have it actually work?
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[02:50:40] <jepler> 100us jitter even not starting opengl
[02:50:55] <jepler> on 1ms servo thread
[02:51:05] <cradek> oh well
[02:51:22] <jepler> I didn't really expect different
[02:51:36] <jepler> 'night
[02:51:42] <cradek> bye
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[05:23:00] <seb_kuzminsky> linuxcnc-build: force build --branch=rtos-integration-preview3 checkin
[05:23:01] <linuxcnc-build> build #892 forced
[05:23:01] <linuxcnc-build> I'll give a shout when the build finishes
[05:29:47] <linuxcnc-build> build #0 of precise-x86-xenomai-rip is complete: Failure [4failed clear-dmesg apt-get-update install-missing-build-dependencies] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/0
[05:30:59] <linuxcnc-build> build #894 of hardy-amd64-realtime-rip is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/hardy-amd64-realtime-rip/builds/894
[05:31:31] <linuxcnc-build> build #897 of hardy-amd64-sim is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/hardy-amd64-sim/builds/897
[05:34:30] <seb_kuzminsky> linuxcnc-build: force build --branch=rtos-integration-preview3 precise-x86-xenomai-rip
[05:34:31] <linuxcnc-build> build #1 forced
[05:34:31] <linuxcnc-build> I'll give a shout when the build finishes
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[06:07:35] <linuxcnc-build> build #1 of precise-x86-xenomai-rip is complete: Failure [4failed runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/1
[06:12:04] <linuxcnc-build> build #892 of checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/892
[06:13:26] <seb_kuzminsky> linuxcnc-build: force build --branch=rtos-integration-preview3 precise-x86-xenomai-rip
[06:13:26] <linuxcnc-build> build #2 forced
[06:13:26] <linuxcnc-build> I'll give a shout when the build finishes
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[06:47:04] <linuxcnc-build> Hey! build precise-x86-xenomai-rip #2 is complete: Success [3build successful]
[06:47:04] <linuxcnc-build> Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/2
[06:49:35] <seb_kuzminsky> the new rtos branch now builds & runs the tests on xenomai on the buildbot
[06:49:45] <seb_kuzminsky> the same branch fails to build on hardy though
[06:50:18] <seb_kuzminsky> http://buildbot.linuxcnc.org/buildbot/builders/hardy-amd64-realtime-rip/builds/894/steps/compile/logs/stdio
[06:50:50] <seb_kuzminsky> linuxcnc-build: force build --branch=v2.5_branch precise-x86-xenomai-rip
[06:50:51] <linuxcnc-build> build forced [ETA 33m37s]
[06:50:51] <linuxcnc-build> I'll give a shout when the build finishes
[06:51:09] <linuxcnc-build> build #3 of precise-x86-xenomai-rip is complete: Failure [4failed configure-debian-control configuring] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/3
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[06:53:19] <seb_kuzminsky> 2.5 and master don't build on that buildslave, because "./configure --disable-simulator" fails on xenomai when it doesn't find an rtai kernel to use
[06:54:21] <seb_kuzminsky> for now i've taught the buildbot that ./configure can fail on the realtime builds, and if it does it stops the build but doesn't cause it to be marked as a failure (so we'll still build debs for sim & rtai on 2.5 & master)
[06:54:53] <seb_kuzminsky> linuxcnc-build: force build --branch=v2.5_branch precise-x86-xenomai-rip
[06:54:54] <linuxcnc-build> build #4 forced
[06:54:54] <linuxcnc-build> I'll give a shout when the build finishes
[06:55:10] <linuxcnc-build> build #4 of precise-x86-xenomai-rip is complete: Failure [4failed configure-debian-control configuring] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/4
[07:00:35] <mhaberler> this is a setup error:
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/1/steps/runtests/logs/stdio
[07:00:48] <mhaberler> you need to add the buildbot user to the xenomai group
[07:00:51] <mhaberler> see here:
[07:01:40] <seb_kuzminsky> i fixed it
[07:01:56] <seb_kuzminsky> build 2 worked
[07:02:10] <seb_kuzminsky> linuxcnc-build: force build --branch=v2.5_branch checkin
[07:02:11] <linuxcnc-build> build #893 forced
[07:02:11] <linuxcnc-build> I'll give a shout when the build finishes
[07:02:44] <mhaberler> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?BeagleboneDevsetup
[07:02:48] <mhaberler> ah ok
[07:03:12] <mhaberler> the issue with hardy/amd64 is: there is a missing include file in the kernel package
[07:03:27] <mhaberler> no idea if/why that ever worked
[07:03:39] <seb_kuzminsky> something xenomai needs that rtai doesn't need?
[07:03:49] <seb_kuzminsky> but it's still configuring for rtai in that case
[07:04:10] <mhaberler> no the rtai build, not the xenomai build
[07:04:50] <seb_kuzminsky> right, the rtos branch on hardy-rtai
[07:04:55] <mhaberler> it is referenced from an rtai include, so I dont see a way how to get around that yet
[07:05:11] <seb_kuzminsky> why does it work on 2.5?
[07:05:23] <mhaberler> include present
[07:05:55] <mhaberler> but I think the real error is a wrong include statement which happened to work for some reason at times, see this:
[07:06:06] <seb_kuzminsky> that doesn't make sense - switching linuxcnc branches doesn't change what kernel headers are installed
[07:06:42] <linuxcnc-build> build #5 of precise-x86-xenomai-rip is complete: Failure [4failed configure-debian-control configuring] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/precise-x86-xenomai-rip/builds/5
[07:07:31] <mhaberler> hm, where was that again
[07:08:25] <mhaberler> nope, that was something else, asm/bitops.h
[07:08:38] <seb_kuzminsky> well i'm off to bed - see you later
[07:08:45] <mhaberler> cu ! thanks
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[07:53:27] <linuxcnc-build> build #893 of checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/893
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[08:52:16] <mhaberler> it _is_ a bug in the kernel includes - one cannot assume the set of included files is identical, even if the file tree is identical:
https://gna.org/bugs/?19185
[08:53:03] <mhaberler> the reason: the rtos build includes rtai_lxrt.h and that is broken on 2.6.24-16-rtai
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[09:33:17] <mhaberler> this is a workaround, it's super-ugly:
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=commit;h=7bf5d543c31add89102504023bc85323a2acdf45
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[11:14:50] <KGB-linuxcnc> 03john 05hardy-workaround b08175d 06linuxcnc 10src/configure.in * configure.in: detect kernel headers in standard RedHat distro location
[11:14:51] <KGB-linuxcnc> 03git 05hardy-workaround 07a317e 06linuxcnc 10src/rtapi/xenomai-kernel.c * xenomai-kernel: fix rtapi_clock_set_period()
[11:14:55] <KGB-linuxcnc> 03john 05hardy-workaround 4e0fcb9 06linuxcnc 10src/hal/utils/halcmd_commands.c * halcmd_commands.c: silence warning about printf format type mismatch
[11:15:01] <KGB-linuxcnc> 03git 05hardy-workaround 4a32386 06linuxcnc 10src/ 10rtapi/rtapi_common.h 10rtapi/xenomai-user.c * xenomai: remove reference to Xenomai-specific define from rtapi_common.h
[11:15:09] <KGB-linuxcnc> 03john 05hardy-workaround 7363285 06linuxcnc 10src/ 10(8 files) * rtapi: Move flavor-specific fields out of rtapi_common.h structs
[11:15:15] <KGB-linuxcnc> 03git 05hardy-workaround 78ddc15 06linuxcnc 10src/configure.in * src/configure.in: fix usage of scripts/get-version-from-git
[11:15:21] <KGB-linuxcnc> 03git 05hardy-workaround a281486 06linuxcnc 10src/ 10(5 files in 3 dirs) * hardy/amd64: workaround for broken hardy/amd64 RTAI include file
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[11:22:15] <linuxcnc-build> build #899 of hardy-amd64-sim is complete: Failure [4failed compile] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/hardy-amd64-sim/builds/899 blamelist: John Morris <john@zultron.com>, Michael Haberler <git@mah.priv.at>
[11:26:04] <mhaberler> jepler: sim-symbol-fixes-v2.patches.mbox - which branch was this based on? sorry, lost in branch trashing
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[12:04:55] <linuxcnc-build> build #894 of checkin is complete: Failure [4failed] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/894 blamelist: John Morris <john@zultron.com>, Michael Haberler <git@mah.priv.at>
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[12:50:05] <jepler> mhaberler: either v2.5_branch or master branch, not sure which one
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[15:56:45] <mhaberler> jepler: works fine for me on i386/v2.5_branch/10.4 ; I will carry this over into rtos-integration-preview3 and dynload-rtapi
[15:56:55] <mhaberler> I've added two more tests, see
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=shortlog;h=refs/heads/jepler-linking-patches
[15:57:17] <mhaberler> I would think this can go into v2.5_branch
[15:57:36] <mhaberler> I also note that some test cases are the best documentation we have ;)
[16:01:00] <jepler> I must not have updated my patch, because I am reminded that this is not an adequate grep for .ko loading: +grep -q 'test_use3: dlopen: .*: undefined symbol: visibility_test' `dirname $1`/stderr
[16:01:21] <mhaberler> oh. um.
[16:01:28] <mhaberler> just building on hardy
[16:01:30] <jepler> I'll find the corrected test, I have it here somewhere
[16:02:03] <jepler> I'm slightly sad about adding this just so it can be tested, but it's not going to make a real difference to anything: +int visibility_test = 123;
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[16:03:01] <mhaberler> I want this - I have lost days on leaking symbols, so I would expect an extra int to verify is expendable too after having
[16:03:20] <jepler> +egrep -q 'test_use.*Unknown symbol in module|test_use: dlopen: .*: undefined symbol: testuse' $1 `dirname $1`/stderr
[16:03:30] <jepler> branch jepler-modlinking on git.linuxcnc.org
[16:03:31] <mhaberler> ah, thanks
[16:04:40] <mhaberler> ok, I'll merge that one in and fix my tests then alike
[16:05:03] <jepler> ok
[16:06:44] <jepler> please talk it over with cradek before pushing those changes to v2.5_branch. I told him I didn't have a strong opinion about putting it in 2.5 vs master, but it sounds like you do.
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[16:11:39] <jepler> anyway those additional tests look good besides for the checkresult problem that you would have soon seen
[16:13:22] <mhaberler> the hardy amd64 kernel immediately panics when starting runtests (brazos e450).
[16:13:32] <mhaberler> I think we should put hardy to rest..
[16:14:30] <mhaberler> oops, no - console-kit crashed
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[16:17:04] <jepler> is the problem that the old .ko-based realtime is broken on hardy in your tree, or that the new stuff doesn't work?
[16:17:13] <jepler> if it's the latter .. I sure don't care about that
[16:19:18] <mhaberler> me neither, Seb does
[16:19:53] <mhaberler> pthreads seems to have issues; there was a broken rtai include and I worked around that but the pthreads issue seems too steep
[16:20:21] <mhaberler> I wonder if anybody is using hardy/amd64 with anything later than v2.5_branch
[16:21:33] <mhaberler> the hardy/amd64 kernel oopses during boot on my Asus E45M1-M Pro
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[16:22:22] <jepler> hardy/amd64 is even a tinier minority than hardy/i386
[16:22:26] <mhaberler> (rtai kernel, that is: the 2.6.24-16-rtai collector's item)
[16:23:29] <mhaberler> well I'll go to the list and ask, because it's just silly wasting time on this - I mean I did this to make _newer_ platforms work, and I have no plans to bend over to support _older_ platforms which are out of support for years
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[16:25:11] <mhaberler> I would say 10.04 as minimum requirement for master is about time, thats EOL too shortly if it isnt already
[16:27:03] <pcw_home> does the 32 bit version of hardy work?
[16:27:12] <mhaberler> yes
[16:28:18] <jepler> until linuxcnc.org ships a distro newer than 10.04 we're not likely to EOL support for it in the master branch
[16:28:21] <pcw_home> If its not to hard to support hardy for older machines its seems worthwhile (and who cares about 64 bits on older machines)
[16:29:11] <mhaberler> well that's my point, I first want to see the use case before we start butchering code which we just cleaned up
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[16:30:48] <pcw_home> I know that Hardy performs better (lower jitter) on some older machines but 64 bit support on Hardy seems silly
[16:30:58] <jepler> and new stuff like userland realtime on 8.04? I don't see why that would be a good use of time
[16:31:22] <mhaberler> amen
[16:34:03] <jepler> 64 bits was my thing but I sure never pushed it very hard (for instance, no installer image)
[16:34:13] <jepler> I have run it on real hardware though
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[16:41:08] <mhaberler> need to ship a modified rtai include to compile rt/hardy/amd64 - yeesh :
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=commit;h=a281486b1cedfd97a8b6b50152bc1ba8c3a9fd82
[16:41:26] <mhaberler> but the sim build is a total timewaster
[16:42:26] <mhaberler> "Ubuntu 8.04's support ended on 12 May 2011 for desktops"
http://en.wikipedia.org/wiki/List_of_Ubuntu_releases#Ubuntu_8.04_LTS_.28Hardy_Heron.29
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[16:51:48] <seb_kuzminsky> linuxcnc-build: force build --branch=v2.5_branch checkin
[16:51:49] <linuxcnc-build> build #895 forced
[16:51:49] <linuxcnc-build> I'll give a shout when the build finishes
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[17:15:04] <mhaberler> jepler: I cleaned up the checking, works fine now on kernel rt too:
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=shortlog;h=refs/heads/jepler-linking-patches
[17:15:19] <mhaberler> how should we go about it further?
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[17:46:50] <seb_kuzminsky> linuxcnc-build: force build --branch=master checkin
[17:46:56] <linuxcnc-build> The build has been queued, I'll give a shout when it starts
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[18:05:14] <linuxcnc-build> Hey! build checkin #895 is complete: Success [3build successful]
[18:05:14] <linuxcnc-build> Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/895
[18:05:17] <linuxcnc-build> build forced [ETA 1h13m25s]
[18:05:17] <linuxcnc-build> I'll give a shout when the build finishes
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[18:07:31] <SWPadnos> huh. what takes an hour to build these days?
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[19:21:01] <jepler> mhaberler: merge the userspace linking fixes to master branch imo
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[20:02:50] <linuxcnc-build> Hey! build checkin #896 is complete: Success [3build successful]
[20:02:50] <linuxcnc-build> Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/checkin/builds/896
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[20:24:44] <cradek> fwiw, I suspect the number of hardy/amd64 users is approximately zero and I'm all for retiring an unused albatross
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[20:34:39] <seb_kuzminsky> the new precise-xenomai-x86 builder does not successfully build master or 2.5 realtime (which is what we ask of it), but its failure does not hold up the build
[20:35:12] <seb_kuzminsky> so 2.5 and master still build despite that they dont know how to build themselves on xenomai
[20:35:31] <seb_kuzminsky> the new-rtos branch builds on all builders except hardy (as you all know)
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[20:36:05] <seb_kuzminsky> once we get the new-rtos-branch on hardy thing fixed, we should be ready to merge the rtos branch into master
[20:36:26] <seb_kuzminsky> then we'll work on packaging!
[20:47:54] <cradek> awesome
[20:48:02] <cradek> does it fail on both hardys or only hardy/amd64?
[20:49:14] <cradek> hard not to type "hardly"
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[21:13:07] <seb_kuzminsky> rtos-integration-preview3 fails on hardy-amd64-rtai and hardy-amd64-sim
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[21:13:47] <seb_kuzminsky> hardy-workaround fails on hardy-amd64-sim only
[21:14:23] <seb_kuzminsky> this is hardy-workaround failing on hardy-amd64-sim:
http://buildbot.linuxcnc.org/buildbot/builders/hardy-amd64-sim/builds/899/steps/compile/logs/stdio
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[21:31:33] <jepler> hardy-amd64$ cat xflict.c
[21:31:33] <jepler> #include <linux/types.h>
[21:31:33] <jepler> #include <time.h>
[21:31:33] <jepler> hardy-amd64$ gcc -c xflict.c
[21:31:33] <jepler> In file included from xflict.c:3:
[21:31:36] <jepler> /usr/include/time.h:105: error: conflicting types for ‘timer_t’
[21:31:41] <jepler> /usr/include/linux/types.h:22: error: previous declaration of ‘timer_t’ was hereit's sure true that those two files conflict on hardy-amd64
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[21:33:35] <jepler> the internet suggests maybe this reduces pollution from the linux header into userspace, but I dunno what parts of the kernel header we intentionally refer to: #define __KERNEL_STRICT_NAMES
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[22:51:15] <mhaberler> jepler: I'm on the case with #define __KERNEL_STRICT_NAMES, but there seem to be more side effects than I'd like; I'll get to it tomorrow or monday
[22:54:27] <mhaberler> cradek: can I ask you to form an opinion on this branch for v2.5_branch - it corrects and tests for a symbol aliasing issue which affects only sim on 2.5 but all userland threads in rtos3; it can potentially fatal with real hardware but confusing at best in si,. If not v2.5_branch, I will pick it into rtos3 and roll forward:
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=shortlog;h=refs/heads/jepler-linking-patches
[22:55:01] <mhaberler> what this means it is not possible anymore that symbols from rtapi_app leak into component land
[22:55:45] <mhaberler> I dont see a downside for sim but it's a showstopper for real hw
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[23:01:51] <cradek> jepler and I talked about this and thought we ought to pass on it in 2.5_branch since the problem doesn't affect any kernel-rt users. is that your understanding too?
[23:02:23] <cradek> (he did push the comp fixes)
[23:05:12] <mhaberler> yes, it wont affect kbuilds
[23:05:49] <mhaberler> fine, then I'll clean it and merge into rtos3 and onwards, and master
[23:05:59] <cradek> great
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[23:08:56] <mhaberler> wrt hardy/rtos3: pretty sure rtos3 can be made to work on rtai/i386 and I thought it did, but thats a while since I tried last
[23:10:00] <mhaberler> hardy/amd64/rtos3 is very steep; I think there are fundamental issues with pthreads which affect both sim and rt-preempt-user (whoever would be nutty enough to build hardy with an rt-preempt kernel)
[23:10:56] <cradek> that would be great - I suspect plenty of people are still using that. I don't care one bit about hardy/amd64 because I doubt anyone is using it. We could just retire that buildbot slave as far as I'm concerned.
[23:11:00] <mhaberler> I would think we should cut the line here and say: master/rtos3 on lucid onwards, on hardy - best effort
[23:11:19] <mhaberler> I mean amd64
[23:11:42] <mhaberler> best effort; I cant even get the kernel to run on my E45, nevermind runtests
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[23:31:50] <mhaberler> jepler: this might have to do with the include issue on hardy - was there, forgot about it:
http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=commitdiff;h=2be785406db454b8d1e7aa5c41fbd54649e34486
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