Re: 2.6.8-rc2 crash(s)?

From: Randy.Dunlap (rddunlap_at_osdl.org)
Date: 07/30/04

  • Next message: Srivatsa Vaddagiri: "[PATCH] ppc64: Fix cpu_up race" 
    Date:	Thu, 29 Jul 2004 22:03:42 -0700
To: gene.heskett@verizon.net

    On Fri, 30 Jul 2004 00:50:53 -0400 Gene Heskett wrote:

    | On Thursday 29 July 2004 23:36, Randy.Dunlap wrote:
    | >On Thu, 29 Jul 2004 21:47:21 -0400 Gene Heskett wrote:
    | >| On Thursday 29 July 2004 18:14, Randy.Dunlap wrote:
    | >| [...]
    | >| I've gone clear back to a 2.6.7 kernel because thats the newest
    | >| one that has a diff when cmp'ing fs/dcache.c files to whats in
    | >| 2.6.8-rc2.
    | >|
    | >| I've had one Oops, virtually the same one, but it didn't kill the
    | >| machine like it would have if I was running 2.6.8-rc2.
    | >
    | >Yeah, oopsen often don't kill the entire machine.
    |
    | Running 2.6.8-rc2 it sure did, deader than a doornail. X's clock
    | stopped, the whole maryann. Keyboard leds off. Had to use the reset
    | button, and once or twice I had to do a full powerdown before it
    | would enter post and reboot. Then sit thru 20+ minutes of e2fscking
    | all the drives of course.
    |
    | >| >make fs/dcache.s
    | >|
    | >| Aha! Voila!! It doesn't work in the "fs" subdir, but back out to
    | >| the top of the src tree and it works just fine. Duh...
    | >
    | >Right, it needs the top-level makfile and kbuild machinery to do
    | > that.
    | >
    | >| Now, I must confess that what I'm looking at in those two files is
    | >| the .s is the source assembly that would normally be fed to gas,
    | >| and the objdump'ed version is the dissed object translated back to
    | >| gas source. If no mistakes, they should be pretty close to the
    | >| same I'd think. Am I on the right track? Or full of it?
    | >
    | >Yes, right.
    |
    | Which?
    |
    | Right track, or full of it? :-)

    Right track. ;)

    | In any event, I could send those two files along if you'd like, I'm
    | not an assembly guru on "amd/intel" chips, not even in my wildest
    | dreams .
    |
    | >| Here's the theory thats gradually formed in whats left of my mind:
    | >| --------------
    | >| 5 things changed in the kernel soft when I changed the mobo.
    | >| 1. The ide driver, from via686a to the nforce2 version.
    | >| 2. The video driver, because the old card failed and took the mobo
    | >| with it.
    | >| 3. Ethernet driver is now forcedeth instead of rtl-8139too
    | >| 4. A different alsa driver, from via8233 to intel-8x0
    | >| 5. The 4Gb switch is turned on in the kernel now as theres a gig
    | >| of ram on this board.
    | >| --------------
    | >
    | >You can easily use a non-high-memory enabled kernel. It will still
    | >use 896 MB of RAM (IIRC). Enabling highmem gets you another 128 MB.
    | >
    | >IDE and video are somewhat important, no?
    | >But the ethernet and ALSA drivers should be optional, at least for
    | > some testing... Ha, you said that below!
    | >
    | >| I can't do anything about the first 2, but I can do without the
    | >| last 200 megs of ram long enough to test that, and I can switch
    | >| back to the rtl-8139too card for ethernet, and I can turn off
    | >| alsasound.
    | >|
    | >| In the meantime I turned a bunch of stuff the logs were
    | >| complaining about off, like sgi_fam (what the heck is that?), some
    | >| ups daemons
    | >
    | >FAM is File Alteration Monitor, from SGI:
    | > http://oss.sgi.com/projects/fam/
    |
    | So I should start it back up? Its a security tool?, or a system
    | watchdog (or both?)

    No, you probably don't need it. Depends on your apps/usage,
    but it's certainly not _required_.

    | >| for brands I don't have, that sort of thing, and have a tail
    | >| running on the log. So far, its clean since the restart of
    | >| xinetd. Another 16 hours will tell most of the tale for this
    | >| particular instant configuration.
    |
    | I just had mozilla try to display an rpm or tgz file, killed X, so the
    | log got filled up a bit. Odd, I haven't had to step on the shift key
    | before clicking a download link in ages. Trying to get a newer
    | version of ymessenger. I have an old beta version and yahoo says its
    | too old.
    |
    | >| One final question if I may: What do I turn off (or on) in the
    | >| video dept of the kernel so that my screen doesn't go black after
    | >| vmlinuz is unpacked, and not come back on till "init" is run, at
    | >| which point the screen comes back on in what looks to be exactly
    | >| the same mode?
    | >
    | >Hm, do you have a serial console enabled (in the kernel config and
    | > in your kernel command line)? If not, please send your .config
    | > file (your probably did, but I'm lost in the maze of emails).
    |
    | Not that I can find, and I'm restricted to a make menuconfig, xconfig
    | is broken because its not seeing the correct libqt-mt library. Its
    | complaining about the version in kde3.2.3, but all the env stuff now
    | points it to kde3.3-beta2. How can I cause that to get refreshed for
    | the newer libraries now installed?

    Dunno, I've seen some similar problems.

    | I'll attach the 2.6.7 .config.

    I'll check it, but I don't have a quick answer for you on that one. 

    --
~Randy
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  • Next message: Srivatsa Vaddagiri: "[PATCH] ppc64: Fix cpu_up race"