Re: 2.6.8-rc2 crash(s)?

From: Randy.Dunlap
Date: Fri Jul 30 2004 - 00:17:08 EST


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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