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Kollin
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PostPosted: Sat Oct 31, 2009 3:37 pm    Post subject: Reply with quote

today i updated to 31-zen5 ant this happend:

Code:
>>> Emerging (1 of 3) media-video/em8300-modules-0.17.2-r1
 * em8300-0.17.2.tar.gz RMD160 SHA1 SHA256 size ;-) ...                  [ ok ]
 * checking ebuild checksums ;-) ...                                     [ ok ]
 * checking auxfile checksums ;-) ...                                    [ ok ]
 * checking miscfile checksums ;-) ...                                   [ ok ]
 * Your CXXFLAGS contains "-fvisibility-inlines-hidden" which can break packages.
 *                                                                               
 * Before you file a bug, please remove these flags and                         
 * re-compile the package in question as well as all its dependencies           
 * Determining the location of the kernel source code                           
 * Found kernel source directory:                                               
 *     /usr/src/linux                                                           
 * Found kernel object directory:                                               
 *     /lib/modules/2.6.31-zen5/build                                           
 * Found sources for kernel version:                                             
 *     2.6.31-zen5                                                               
 * Checking for suitable kernel configuration options...                                                                                                 [ ok ]
>>> Unpacking source...                                                                                                                                       
>>> Unpacking em8300-0.17.2.tar.gz to /var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work                                                               
 * Applying em8300-modules-0.17.2-kernel-2.6.30.patch ...                                                                                                [ ok ]
>>> Source unpacked in /var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work                                                                             
>>> Compiling source in /var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work/em8300-0.17.2/modules ...                                                   
make -j3 KERNEL_LOCATION=/usr/src/linux                                                                                                                       
[ ! -x ./update_em8300_version.sh ] || ./update_em8300_version.sh em8300_version.h
make -C /usr/src/linux SUBDIRS=/var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work/em8300-0.17.2/modules modules
make[1]: Entering directory `/usr/src/linux-2.6.31-zen5-r2'
/var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work/em8300-0.17.2/modules/Kbuild:67: /Rules.make: No such file or directory
make[2]: *** No rule to make target `/Rules.make'.  Stop.
make[1]: *** [_module_/var/tmp/portage/media-video/em8300-modules-0.17.2-r1/work/em8300-0.17.2/modules] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.31-zen5-r2'
make: *** [build] Error 2
 * ERROR: media-video/em8300-modules-0.17.2-r1 failed:
 *   emake failed.
 *
 * Call stack:
 *     ebuild.sh, line  49:  Called src_compile
 *   environment, line 3515:  Called die
 * The specific snippet of code:
 *       emake KERNEL_LOCATION="${KERNEL_DIR}" || die "emake failed."
 *
 * If you need support, post the output of 'emerge --info =media-video/em8300-modules-0.17.2-r1',
 * the complete build log and the output of 'emerge -pqv =media-video/em8300-modules-0.17.2-r1'.
 * The complete build log is located at '/var/tmp/portage/media-video/em8300-modules-0.17.2-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-video/em8300-modules-0.17.2-r1/temp/environment'.


Any ideas what i missed during configuration ?

.config :
http://pastebin.com/m5a3e0572

EDIT: nevermind i got rid of dx3 USE flag
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cheater1034
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PostPosted: Sat Oct 31, 2009 7:42 pm    Post subject: Reply with quote

Ok guys, here's a new proposition for the graphically inclined.

Here is my logo (the conrad dog) - I'd like someone to turn it into a buddha/meditating/zen style logo (anyway possible)

If someone could do it, it would be great!
here's the .svg file:
http://omploader.org/vMm55Mw
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RealNC
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PostPosted: Sat Oct 31, 2009 7:53 pm    Post subject: Reply with quote

Wouldn't a penguin be more logical than a dog? :P
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cheater1034
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PostPosted: Sat Oct 31, 2009 9:49 pm    Post subject: Reply with quote

RealNC wrote:
Wouldn't a penguin be more logical than a dog? :P

Yes ;), but I like the dog and I think it's an original idea 8)

dressing dog up as a penguin might be cool too :p
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cheater1034
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PostPosted: Sun Nov 01, 2009 6:12 pm    Post subject: Reply with quote

here's an idea i've started to tender up

http://omploader.org/vMm84YQ
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rahulthewall
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PostPosted: Sun Nov 01, 2009 6:52 pm    Post subject: Reply with quote

cheater1034 wrote:
here's an idea i've started to tender up

http://omploader.org/vMm84YQ


No offense meant, but that looks horribly mismatched. If the dog was smiling or something, it would have been nice.
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cheater1034
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PostPosted: Sun Nov 01, 2009 9:31 pm    Post subject: Reply with quote

rahulthewall wrote:
cheater1034 wrote:
here's an idea i've started to tender up

http://omploader.org/vMm84YQ


No offense meant, but that looks horribly mismatched. If the dog was smiling or something, it would have been nice.


Yeah it was just a concept, i'm not good at inkscape (ive never used it before - and im no artist to begin with)

I like the hat itself, i would remove the shadow from the eyes and draw a totally new brim of the hat - then do new eyes for the dog but that's beyond me :P
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tranquilcool
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PostPosted: Wed Nov 04, 2009 8:32 am    Post subject: Reply with quote

lockups in 32-zen6-r1
don't know why.

EDIT: solved. played too long and too hard with vm.
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PostPosted: Wed Nov 04, 2009 2:52 pm    Post subject: Reply with quote

Hey guys :)

Hwoarang and I decided to move the rc* and 9999 ebuilds in tree and get rid of the overlay.

They'll stay masked, however you won't have to add an overlay for just a couple of ebuilds anymore :wink:

I just committed the ebuilds in cvs, they should be available in rsync mirrors in a few hours.

Hwoarang will remove the overlay from layman/github in ~10 days.

8)
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dodo1122
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PostPosted: Wed Nov 04, 2009 4:59 pm    Post subject: Reply with quote

Great :D Thanks.
tranquilcool, so the lockups are not kernels fault?
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kernelOfTruth
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PostPosted: Wed Nov 04, 2009 6:24 pm    Post subject: so Reply with quote

most probably those are not really "hardlocks" but a total interruption of all pci-e (pci express) related traffic due to heavy flushing to disc (even more if barrier-support is enabled)

soundcard output, ethernet card throughput come to an complete halt during these phases for me

the kernel-developers better improve this starvation

anyone has encountered this too ?

unfortunately this isn't fixed by BFS and BFQ - hence it's not a i/o and/or cpu-scheduler problem :idea:
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PostPosted: Wed Nov 04, 2009 6:37 pm    Post subject: Reply with quote

dodo1122 wrote:
Great :D Thanks.
tranquilcool, so the lockups are not kernels fault?


i think kernelOfTruth has the problem explained better.
thanks.
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PostPosted: Wed Nov 04, 2009 7:38 pm    Post subject: Reply with quote

so you're seeing the same problem like me, tranquilcool ?

I'm glad I'm not the only one :roll:

the main problem seems to be that with pci-e those pci-lanes (those separate lines are called lanes, right ?) can't operate autonomously so if one has heavy
work/traffic to do it completely hinders the other ones from their work


IMO they (the devs) (unintentionally) are creating more and more bottlenecks and it's getting more and more difficult to track those down in the future so why not halt development in some parts, e.g. pci-e or libata / VFS subsystem during one cycle and fully concentrate in reproducing, finding, analyzing, understanding and fixing these kind of bugs ?


I'm not sure but I believe that I didn't see this at all with 32bit or it at least was much less manifest than now besides that from my remembrance there was no interruption during flushing to disc with 2.6.24 so it partly still might be related to cpu-scheduling and/or the changes that went into CFS, VFS since then
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PostPosted: Wed Nov 04, 2009 8:38 pm    Post subject: Reply with quote

Hmm, i think i'm getting this too tbh. I was doing a backup this morning and i couldn't even dmesg when it was copying files... Hopefully it'll get tracked down and fixed before .32 gets released.
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tranquilcool
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PostPosted: Thu Nov 05, 2009 7:56 am    Post subject: Reply with quote

dodo1122 wrote:
Hmm, i think i'm getting this too tbh. I was doing a backup this morning and i couldn't even dmesg when it was copying files... Hopefully it'll get tracked down and fixed before .32 gets released.


both zen-stable and zen-unstable have the same locking problem.

ALSO

latest btrfs, in all zen-sources, is broken. giving
the no space left on device. was using it for portage.
have experimented enough with btrfs. now is time to
move on.
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PostPosted: Thu Nov 05, 2009 11:03 am    Post subject: Reply with quote

It's not that btrfs is broken, it was never fixed... You just need a bigger partition, so it never gets anywhere close to 100% space used, else problems are going to show. They're working on it tho.
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kernelOfTruth
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PostPosted: Thu Nov 05, 2009 1:38 pm    Post subject: Reply with quote

could someone please post those symptoms over at lkml if it hasn't already ? (including the halt of sound, ethernet throughput, and jerkiness of X)

that way the devs and other testers can reproduce and tackle those problems by the horns and eliminate it ASAP :mrgreen:

I would collect some data & post it there like in the past - unfortunately I currently am 200% busy so I have no time and it wouldn't likely make it there before release of 2.6.32

(it's about several important exams so I'm not making this up :wink: )

thanks :)
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PostPosted: Thu Nov 05, 2009 6:55 pm    Post subject: Reply with quote

  • Recent problems with Reiser4 corruption on 2.6.31 I reported might have been related to hardware (aka stupid sata cable). I moved to 2.6.31-zen6 and run it under reasonable load for a few days without problem.
  • There still is a problem with SLOB. For validation I compiled 2.6.31-zen6 with SLOB – result was complete lack of responsiveness. After switching back to SLQB everything went back to normal. config
  • Is ramzswap aka compcache working for anyone in recent zens? Since 2.6.29 I'm receiving:
    swapon /dev/ramzswap0 wrote:
    swapon: /dev/ramzswap0: read swap header failed: Invalid argument
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kernelOfTruth
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PostPosted: Thu Nov 05, 2009 7:27 pm    Post subject: Reply with quote

Mr. Tao wrote:

  • There still is a problem with SLOB. For validation I compiled 2.6.31-zen6 with SLOB – result was complete lack of responsiveness. After switching back to SLQB everything went back to normal. config


in the past I also found SLQB to be the best in responsibility, unfortunately it didn't work out well with fglrx

anyone has it working with fglrx now (if that's possible at all) ?

perhaps that "fixes" most of the starvation / "hardlocking" during heavy flush-jobs to the disc

thanks
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PostPosted: Thu Nov 05, 2009 7:56 pm    Post subject: Reply with quote

I have ported Classic RCU and Preempt RCU to .32

Use it except if you have >=4096 CPUs.
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PostPosted: Thu Nov 05, 2009 8:47 pm    Post subject: Reply with quote

Erm, forget what I said for now... Thanks to Preempt RCU dodo's computer is borked :D

EDIT: Well, I just tried both RCU subsystems on PPC (non SMP) and works perfect.
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PostPosted: Fri Nov 06, 2009 1:02 am    Post subject: Reply with quote

@tranquilcool:

please try sqlb (slab allocator) instead of slab or slub

I just switched back to it after a long time and it seems to completely fix the starvation / mutual blockage

I now can transfer lots of small files via rsync from one partition to another and run a ethernet speed test during that with no visible impairment

this hasn't been possible before ...

so it's a BUG in slab, slub, slob (?) in comparison to sqlb (you can't call that a regression can you ? :roll: )

to be more precise these symptoms are caused by a collection of bugs in CFS, CFQ (and more mildly the other i/o schedulers too) and the currently available mainline slab-allocators 8O


so could anyone with the problems mentioned in the following amd64-thread:
https://forums.gentoo.org/viewtopic-t-793263.html?sid=1b47ecb01eea573b75b980d28bc5bc0b confirm that their problems are fixed by using BFS, BFQ and SQLB ?

thanks
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PostPosted: Fri Nov 06, 2009 6:25 am    Post subject: Reply with quote

kernelOfTruth wrote:
@tranquilcool:

please try sqlb (slab allocator) instead of slab or slub

I just switched back to it after a long time and it seems to completely fix the starvation / mutual blockage

I now can transfer lots of small files via rsync from one partition to another and run a ethernet speed test during that with no visible impairment

this hasn't been possible before ...

so it's a BUG in slab, slub, slob (?) in comparison to sqlb (you can't call that a regression can you ? :roll: )

to be more precise these symptoms are caused by a collection of bugs in CFS, CFQ (and more mildly the other i/o schedulers too) and the currently available mainline slab-allocators 8O


so could anyone with the problems mentioned in the following amd64-thread:
https://forums.gentoo.org/viewtopic-t-793263.html?sid=1b47ecb01eea573b75b980d28bc5bc0b confirm that their problems are fixed by using BFS, BFQ and SQLB ?

thanks


yes switched to sqlb and am still watching out.
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cheater1034
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PostPosted: Fri Nov 06, 2009 6:47 am    Post subject: Reply with quote

Mr. Tao wrote:
[*]There still is a [post=5996211]problem with SLOB. For validation I compiled 2.6.31-zen6 with SLOB – result was complete lack of responsiveness. After switching back to SLQB everything went back to normal.

Possible (it's not zen only right? I wouldn't think it is)
SLOB isn't really highly tested anymore - a bug could be in there.

Quote:
config[*]Is ramzswap aka compcache working for anyone in recent zens? Since 2.6.29 I'm receiving:
swapon /dev/ramzswap0 wrote:
swapon: /dev/ramzswap0: read swap header failed: Invalid argument

I believe compcache doesn't work with bfs very well (if at all) - perhaps that is the problem? (if you are using BFS of course)
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PostPosted: Fri Nov 06, 2009 3:53 pm    Post subject: Reply with quote

kinda baffles why i have dhcpcd lockup during boot
with 2.6.32-rc6-zen1. it just hangs.

any help? thanks.
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