Re: 2.6.8-rc2 crash(s)?

[Randy.Dunlap]

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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