Help with Linux crash

Help with Linux crash

Post by Dan Nil » Sun, 16 Jun 1996 04:00:00



I went for 6 months without a single crash, but now my linux box has
crashed 5 times in the last 2 days.  The only symptom of the crash is
that everything suddenly freezes with absolutely no warning. There is
nothing in /var/adm/syslog or /var/adm/messages to indicate any problem,
but each time I reboot after a crash I get errors from fsck (sample
output from fsck at end).

My questions are:

1) Is there any thing else to check for possible causes of the crashes?

2) Could by disk be going bad, and could this be the cause of the crashes?

3) If a bad disk is causing the crashes, is there any way besides replacing
   the disk to correct the problem?

Well, that is all I can think to ask, any help would be greatly appreciated.

Thanks in advance for any help,

Dan Niles

PS  Here is the sampe output from fsck that I promised:

Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Fix summary information<y>? yes

Block bitmap differences: -1059 -1060 -1061 -1062 -1063 -1064 -1065 -20646
-20647 -20648 -20649 -20650 -20651 -201176 -201177 -201178 -201179 -201180
-201181 -201182 -329187 -329188 -329189 -329190 -329191 -329192 +788456
-790604 -881131 -881132 -881133 -881134 -881135 -881136 -881137.  FIXED
Free blocks count wrong for group 0 (5446, counted=5453).  FIXED
Free blocks count wrong for group 2 (4030, counted=4036).  FIXED
Free blocks count wrong for group 24 (3622, counted=3629).  FIXED
Free blocks count wrong for group 40 (0, counted=6).  FIXED
Free blocks count wrong for group 107 (1078, counted=1085).  FIXED
Free blocks count wrong (550077, counted=550110).  FIXED

/dev/hda3: ***** FILE SYSTEM WAS MODIFIED *****
/dev/hda3: ***** REBOOT LINUX *****
/dev/hda3: 41109/606208 files, 661506/1211616 blocks

 
 
 

Help with Linux crash

Post by M.Buchenried » Tue, 18 Jun 1996 04:00:00


[...]

Quote:>Block bitmap differences: -1059 -1060 -1061 -1062 -1063 -1064 -1065 -20646
>-20647 -20648 -20649 -20650 -20651 -201176 -201177 -201178 -201179 -201180
>-201181 -201182 -329187 -329188 -329189 -329190 -329191 -329192 +788456
>-790604 -881131 -881132 -881133 -881134 -881135 -881136 -881137.  FIXED
>Free blocks count wrong for group 0 (5446, counted=5453).  FIXED
>Free blocks count wrong for group 2 (4030, counted=4036).  FIXED
>Free blocks count wrong for group 24 (3622, counted=3629).  FIXED
>Free blocks count wrong for group 40 (0, counted=6).  FIXED
>Free blocks count wrong for group 107 (1078, counted=1085).  FIXED
>Free blocks count wrong (550077, counted=550110).  FIXED
>/dev/hda3: ***** FILE SYSTEM WAS MODIFIED *****
>/dev/hda3: ***** REBOOT LINUX *****

a>/dev/hda3: 41109/606208 files, 661506/1211616 blocks

I doubt that this is the reason for the crashes you had -
the above error messages are usually the result of a crash, though.

Since you stated that your system just freezes, I'd suspect the memory
chips to be the culprit.

Michael
--

**************************************************************************
* "Real computer scientists don't program in assembler. They don't write *
*  in anything less portable than a number two pencil."                  *

 
 
 

1. Help with linux crashes

        I have linux slackware 7 , kernel 2.2.13 installed.
        As my AWE64 SB did not work I read the book on making it work
under linux (after all , if you add the pages in the sound HOWTO, the
awe64HOWTO, the isapnpHOWTO, the rpm HOWTO , etc , it adds up to a
book... BTW, to think that a month ago if someone said that I needed
to read a book to do what a single line in config.sys , and another in
autoexec.bat does under DOS, I would have been in stitches on the
floor, uncontrolled laughter)
        Well, I compiled the kernel to read pnp, added sound support
(but got no SB module choices ...I must have an old AWE64 HOWTO),
managed to instal isapnp, made my isapnp.conf ... then got to the bit
in the howto that says "now edit the isapnp.conf file". Nothing else ,
just that. Even though there was an example at the end I did not
manage to get it to work , my isapnp.conf was very different (even the
formatting) from the example.
        So, I thought , enough of this. I have a red hat 6.1 disk with
sndconfig.XXX.rpm on it. I will install that with rpm. I tried to and
it said that various files were missing. I found these files on my
disk, though, so I thought ... hey , I need the new version on the RH
disk. So I copied the CD ones over my old ones. Actually , just one ,
as a test, I've crashed linux nearly 20 times in a month, I make my
mistakes cautiously. I copied libc.so.6.
        And my system crashed on reboot. Something about permissions
of libc.os.6. I tried lots of stuff , even managed to copy the
original  lib.os.6 from the slackware cdrom, using my recovery disk
and booting root as /dev/fd0 , using my rootdisk as kernel. My
recovery disk crashed if I just entered "ENTER".
        I am the last of the 20 or so linuxers in my region, the rest
have given up. I am quite obstinate. I tried twice to reinstall linux
, first just the A package, then then the whole lot. And I can
actually get it to boot. I ran xf86config , and entered all the
information I had before. It starts up, and gives me a BLACK SCREEN OF
DEATH , cant get out of it with CTRL-C, CTRL-Z, CTRL-ALT-backspace ,
only with a reboot(press reset or ctrl-alt-del). There are no error
messages. Copying my previous(working)  XF86Config file to /etc has
the same results. A classical crash.
        Anyone have any idea how I can get my system back, xwindows
working, without formatting the drive , and losing all my stuff ?
        TIA
10 hours reading/messing , still no sound. I use the most popular
sound card on planet earth. "sigh"

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