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cyfred Retired Dev
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Posted: Thu May 29, 2003 10:41 am Post subject: |
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Exner all of my systems use GCC 3.3 and my kernel boots fine.
Can you post a error message as such or does the kernel just stop loading? |
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Lovechild Advocate
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Exner Tux's lil' helper
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Posted: Thu May 29, 2003 11:36 am Post subject: |
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cyfred wrote: | Exner all of my systems use GCC 3.3 and my kernel boots fine.
Can you post a error message as such or does the kernel just stop loading? |
Ahh good.
The first attempt with -O3 and aggressive CFLAGS rebooted instantly on kernel load from disk.
The second attempt with default CFLAGs died just after automounting devfs, apparently in ext3_get_inode_loc. I have digital camera screenshots of the details.
I will next switch to 2.5.70-mm2 before any more attempts. _________________ - Exner (Antony Suter) |
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jimlynch11 Guru
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Joined: 21 Feb 2003 Posts: 590 Location: massachusetts
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Posted: Thu May 29, 2003 12:01 pm Post subject: |
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rather than me rsync'ing 10 times today waiting for mm2 to be in portage, would someone post here when they see an ebuild has been submitted? dont wanna bog down the servers now do i ![Wink :wink:](images/smiles/icon_wink.gif) |
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Lovechild Advocate
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Joined: 17 May 2002 Posts: 2858 Location: Århus, Denmark
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Posted: Thu May 29, 2003 12:12 pm Post subject: |
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jimlynch11 wrote: | rather than me rsync'ing 10 times today waiting for mm2 to be in portage, would someone post here when they see an ebuild has been submitted? dont wanna bog down the servers now do i ![Wink :wink:](images/smiles/icon_wink.gif) |
just copy it over like the rest of us if it isn't in portage - |
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darktux Veteran
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Posted: Thu May 29, 2003 1:36 pm Post subject: |
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But, it is already in portage ![Cool 8)](images/smiles/icon_cool.gif) _________________ Lego my ego, and I'll lego your knowledge
www.tuxslare.org - My reborn website ![Razz :P](images/smiles/icon_razz.gif) |
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Lovechild Advocate
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Posted: Thu May 29, 2003 1:39 pm Post subject: |
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darktux wrote: | But, it is already in portage ![Cool 8)](images/smiles/icon_cool.gif) |
The devs tend to yell at you for coping over ebuilds and the mirror maintains will kill you if you sync to often -- I will take my chances with the first option please. |
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nephros Advocate
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Posted: Thu May 29, 2003 2:27 pm Post subject: |
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Lovechild wrote: |
The devs tend to yell at you for coping over ebuilds and the mirror maintains will kill you if you sync to often. |
What's so bad about copying and version-bumping ebuilds? Especially the kernel ones, which are pretty straightforward and do all the same?
Of course, one probably shouldn't file a bug report for a self-made ebuild...
(OTOH, it's not too complicated to even patch your tree manually now is it.) _________________ Please put [SOLVED] in your topic if you are a moron. |
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fca Guru
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Posted: Thu May 29, 2003 2:34 pm Post subject: |
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OK, I've managed to compile 2.5.70-mm1, with gcc 3.3. It works fine, except I've seen that my harddrive performance is down?
Code: | root@localhost fca # hdparm -t -T /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 0.40 seconds =322.47 MB/sec
Timing buffered disk reads: 64 MB in 1.40 seconds = 45.85 MB/sec
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While 2.4.21_rc1-gss gives me a buffer-cache read of 480 something. The buffered disk reads are the same. I know it isn't the best of benchmarks, but it is quite a big difference. |
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Lovechild Advocate
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Joined: 17 May 2002 Posts: 2858 Location: Århus, Denmark
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Posted: Thu May 29, 2003 3:47 pm Post subject: |
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I found a way to remove even more of that nasty laggy sound behavior
edit kernel/sched.c and set max_timeslice to less than or equal to 40 instead of 200 as it is now. that took care of most of the jitter for me. It has been suggested that even as low as 10 might be good for desktop usage. |
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Exner Tux's lil' helper
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Joined: 08 Apr 2003 Posts: 128 Location: Melbourne, Australia
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Posted: Thu May 29, 2003 4:40 pm Post subject: |
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Exner wrote: | cyfred wrote: | Exner all of my systems use GCC 3.3 and my kernel boots fine.
Can you post a error message as such or does the kernel just stop loading? |
The second attempt with default CFLAGs died just after automounting devfs, apparently in ext3_get_inode_loc. I have digital camera screenshots of the details.
I will next switch to 2.5.70-mm2 before any more attempts. |
I've now tested with 2.5.70-mm2 and I still have the same problem. Comparing to the dmesg of my current 2.5.69-mm2, 2.5.70-mm2 starts to have a problem in the raid0 driver.
2.5.69-mm2 shows: Code: | md: Autodetecting RAID arrays.
md: autorun ...
md: considering hdg6 ...
md: adding hdg6 ...
md: adding hde7 ...
md: created md0
md: bind<hde7>
md: bind<hdg6>
md: running: <hdg6><hde7>
md0: setting max_sectors to 32, segment boundary to 8191
raid0: looking at hdg6
raid0: comparing hdg6(41945600) with hdg6(41945600)
raid0: END
raid0: ==> UNIQUE
raid0: 1 zones
raid0: looking at hde7
raid0: comparing hde7(41945600) with hdg6(41945600)
raid0: EQUAL
raid0: FINAL 1 zones
raid0: done.
raid0 : md_size is 83891200 blocks.
raid0 : conf->smallest->size is 83891200 blocks.
raid0 : nb_zone is 1.
raid0 : Allocating 8 bytes for hash.
md: ... autorun DONE.
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 160k freed |
But 2.5.70-mm2 says Code: | raid0: FINAL 1 zones
raid0: multiple devices for 1 - aborting! | Then md unallocates md0 and the kernel Oopses. JPG Screenshots of the last few screens are in http://www.users.on.net/sutera/2.5.70-mm2-problem1.tar.bz2 _________________ - Exner (Antony Suter) |
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Exner Tux's lil' helper
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Joined: 08 Apr 2003 Posts: 128 Location: Melbourne, Australia
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Posted: Thu May 29, 2003 4:51 pm Post subject: |
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Lovechild wrote: | I found a way to remove even more of that nasty laggy sound behavior
edit kernel/sched.c and set max_timeslice to less than or equal to 40 instead of 200 as it is now. that took care of most of the jitter for me. It has been suggested that even as low as 10 might be good for desktop usage. |
This is a quick fix and shouldn't be done without Really knowing what you are doing. I think the root cause of the problem is being attacked by kernel preemption, the low latency patch, and the AS and CFQ IO schedulers. _________________ - Exner (Antony Suter) |
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idl Retired Dev
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Posted: Thu May 29, 2003 5:25 pm Post subject: |
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Lovechild wrote: | I found a way to remove even more of that nasty laggy sound behavior
edit kernel/sched.c and set max_timeslice to less than or equal to 40 instead of 200 as it is now. that took care of most of the jitter for me. It has been suggested that even as low as 10 might be good for desktop usage. |
I'm up for more crazyness, i've set it to 10.. kernel is compiling as I speek. _________________ a.k.a port001
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Lovechild Advocate
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Posted: Thu May 29, 2003 5:34 pm Post subject: |
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It seems the the problem might be the interactive changes ingo and linus made - they seem to be slow at adapting to changing conditions. |
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idl Retired Dev
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Posted: Thu May 29, 2003 5:43 pm Post subject: |
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port001 wrote: | Lovechild wrote: | I found a way to remove even more of that nasty laggy sound behavior
edit kernel/sched.c and set max_timeslice to less than or equal to 40 instead of 200 as it is now. that took care of most of the jitter for me. It has been suggested that even as low as 10 might be good for desktop usage. |
I'm up for more crazyness, i've set it to 10.. kernel is compiling as I speek. |
Thins seem generaly a little snappier I think... nothing substantial. _________________ a.k.a port001
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sebgarden Guru
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Posted: Thu May 29, 2003 11:38 pm Post subject: |
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I finally get rid of these annoying ext3 problems with mm-sources-2.70-r2 (didn't try 2.70-r1). With 2.69-mm9, I couldn't even wrote on ext3 (my boot partition) without causing a kernel hang-on. Very disappointing ! Fortunately, this seems to be fixed in this version. No problem so far.
Sébastien. |
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bssteph l33t
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Posted: Fri May 30, 2003 1:46 am Post subject: |
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Regarding everyone's audio talk, I have a similar issue.
Nothing makes ALSA skip a millisecond under normal conditions, -except- when a new song starts playing. For the first couple seconds of a song, if I do something substantial in galeon or nautilus, like going back or forward (but not loading a new page, perhaps due to slow modem speed), the sound pauses a bit. This is a global issue, not just in XMMS. I can play an ogg in ogg123 and i'll get the same skip for the same amount of time. Again, this is only the first couple seconds.
Due to nature of what it is i'm doing (very fast reads of the browser cache), do you think this is a story of the AS scheduler gone wrong? (I think I had the same results with really short timeslices, too) I don't remember when this first turned up but it's been a while... maybe since I started using mm-sources. |
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Negated Void l33t
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Posted: Fri May 30, 2003 2:10 am Post subject: |
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Alright: Here are my issues with my newly compiled 70mm2 kernel.
1) Wheres supermount?
2) When i ctrl-alt-f1 from kde, it gives me a yellow blocky screen with a white bar thgouh it and freezes the computer
3) Alsa dosn't have a PCM channel, or support 'unmute' on my via82xx. |
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handsomepete Guru
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Posted: Fri May 30, 2003 2:22 am Post subject: |
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Negated Void wrote: | Alright: Here are my issues with my newly compiled 70mm2 kernel.
1) Wheres supermount? |
Not really a standard part of the kernel (or the mm sources). You can yank the patch from gentoo sources and see if you can get it to work. Hell, I might try it too.
Quote: | 2) When i ctrl-alt-f1 from kde, it gives me a yellow blocky screen with a white bar thgouh it and freezes the computer
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Tempted to try, but then I couldn't finish this message.
Quote: | 3) Alsa dosn't have a PCM channel, or support 'unmute' on my via82xx. |
Odd. I have 2.5.70-mm1 running with a via82xx driver and it works fine (other than sounding semi-crappy). Are you using alsamixer, doing it from the command line or something else? I might try and up it to mm2 just to see if the problem appears, but I didn't see anything. ![Rolling Eyes :roll:](images/smiles/icon_rolleyes.gif) |
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Negated Void l33t
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Posted: Fri May 30, 2003 2:27 am Post subject: |
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wow.. just tried alsamixer - much easier than amixer
it appears i'm just using 'dummy' how do i get the thing to load my card? ![Smile :)](images/smiles/icon_smile.gif) |
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handsomepete Guru
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Joined: 21 Apr 2002 Posts: 548 Location: Kansas City, MO
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Posted: Fri May 30, 2003 3:18 am Post subject: |
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Negated Void wrote: | wow.. just tried alsamixer - much easier than amixer
it appears i'm just using 'dummy' how do i get the thing to load my card? ![Smile :)](images/smiles/icon_smile.gif) |
All I've been doing is compiling in my card and leaving the defaults and it's worked fine. You can check if the Dummy (/dev/null) soundcard is enabled in your kernel (under ALSA (sound) --> Generic devices). Other than that, I would think it should just work. |
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stefanwa Tux's lil' helper
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Posted: Fri May 30, 2003 7:46 am Post subject: |
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No real problems so far, except that damn ALSA again...
alsasound script loads the driver but doesn't create the /dev entries. Manual loading of the modules does, but I have to set the mixer settings after every reboot.
Any idea to get alsasound create the /dev/dsp entry?
Edit: alsasound script worked fine in 2.5.69... |
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Lovechild Advocate
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Posted: Fri May 30, 2003 8:35 am Post subject: |
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bssteph wrote: | Regarding everyone's audio talk, I have a similar issue.
Nothing makes ALSA skip a millisecond under normal conditions, -except- when a new song starts playing. For the first couple seconds of a song, if I do something substantial in galeon or nautilus, like going back or forward (but not loading a new page, perhaps due to slow modem speed), the sound pauses a bit. This is a global issue, not just in XMMS. I can play an ogg in ogg123 and i'll get the same skip for the same amount of time. Again, this is only the first couple seconds.
Due to nature of what it is i'm doing (very fast reads of the browser cache), do you think this is a story of the AS scheduler gone wrong? (I think I had the same results with really short timeslices, too) I don't remember when this first turned up but it's been a while... maybe since I started using mm-sources. |
Same thing happens with deadline. |
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Negated Void l33t
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Posted: Fri May 30, 2003 9:37 am Post subject: |
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Alright i've got sound working (pesky dummy driver mainly)
Anyways, now my only real issue is the console thing i mentioned. When i go into X, i *can't* return to a real console - doing so just freezes the box with some graphic wierdness that just sits there. Even if i do a restart computer in kde, it goes to the console and dies.
any ideas?
thanks!
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Lovechild Advocate
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Posted: Fri May 30, 2003 10:28 am Post subject: |
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I noticed that when I click a link in epiphany, the cpu usage goes to 100% in a short spike and that causes my sound to skip. There must be some kind of unfairness in the system.
2.5.70-mm2 running deadline.
soundblaster Live 5.1 (emu10k1) running hard compiled ALSA in kernel.
1600+ Athlon-XP
GeForce TI-4280 - running latest driver set
Gnome 2.3.2
I'm pretty certain that the skips are casued by the interactive changes being slow at adapting to changing conditions. Thus it skips like crazy when you wiggle a window around, but after a while it settles down. Kinda like it learns to cope, sadly it's WAY to slow. |
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