Re: PROBLEM: kernel panic

Previous thread: [2.6.23.1] possible circular locking dependency detected by Folkert van Heusden on Saturday, October 13, 2007 - 3:36 pm. (3 messages)

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From: Scott Petler
Date: Saturday, October 13, 2007 - 3:48 pm

Machine lockup with caps lock/num lock flashing or complete reboot/panic.

I get various lockup issues with this kernel, (2.6.23 also similar 
problem).   I had problems getting e1000 lan module to work (it was fine 
in 2.6.21.5).  I disabled it and installed a different lan card that 
seems to work "better".

Dual head machine 1GB RAM, nvidia driver x86-100.14.19

Here is output of ver_linux:
---------------------------------------------------------------------------------------------------------------------------------------------

Linux zion 2.6.23-rc9 #3 Fri Oct 12 18:27:56 PDT 2007 i686 GNU/Linux

Gnu C                  4.1.2
Gnu make               3.81
binutils               2.17
util-linux             2.12r
mount                  2.12r
module-init-tools      3.3-pre2
e2fsprogs              1.40-WIP
Linux C Library        3.6
Dynamic linker (ldd)   2.3.6
Procps                 3.2.7
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.97
udev                   105
Modules Loaded         nfs lockd sunrpc nvidia i2c_core af_packet ipv6 
capability commoncap ppdev lp ac battery dm_mod e1000 loop snd_intel8x0 
snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer 
parport_pc button parport snd 8250_pnp 8250 serial_core soundcore shpchp 
pci_hotplug snd_page_alloc rng_core floppy intel_agp agpgart rtc sg 
evdev sr_mod usbhid sd_mod ata_piix 8139too ata_generic ehci_hcd 
uhci_hcd mii bitrev crc32 libata generic usbcore thermal processor fan 
unix ext3 jbd piix ide_disk ide_cd cdrom ide_scsi scsi_mod ide_core
---------------------------------------------------------------------------------------------------------------------------------------------

Here is output from syslog as it went down:

Message from syslogd@zion at Sat Oct 13 15:22:34 2007 ...
zion kernel: Oops: 0002 [#1]

Message from syslogd@zion at Sat Oct 13 15:22:34 2007 ...
zion kernel: CPU:    0

Message from syslogd@zion at Sat Oct 13 15:22:34 2007 ...
zion ...
From: Trond Myklebust
Date: Sunday, October 14, 2007 - 1:24 pm

Are you able to repeat this Oops _without_ the nvidia driver?

Also, please provide the output from /proc/mounts

Cheers

-

From: Scott Petler
Date: Sunday, October 14, 2007 - 1:44 pm

Trond,

I'm not exactly sure how to go back to not using the nvidia driver and 
select the xorg one.  I do know that I wasn't able to use both monitors 
with the xorg driver, but I'm willing to try that to isolate the problem.

Scott

Output from /proc/mounts:
rootfs / rootfs rw 0 0
none /sys sysfs rw 0 0
none /proc proc rw 0 0
udev /dev tmpfs rw 0 0
/dev/sda2 / ext3 rw,data=ordered 0 0
/dev/sda2 /dev/.static/dev ext3 rw,data=ordered 0 0
tmpfs /lib/init/rw tmpfs rw,nosuid 0 0
usbfs /proc/bus/usb usbfs rw,nosuid,nodev,noexec 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
devpts /dev/pts devpts rw,nosuid,noexec 0 0
twin:/home /home nfs 
rw,vers=3,rsize=32768,wsize=32768,hard,intr,proto=tcp,timeo=600,retrans=2,sec=sys,addr=twin 
0 0
twin:/mp3 /mp3 nfs 
rw,vers=3,rsize=32768,wsize=32768,hard,intr,proto=tcp,timeo=600,retrans=2,sec=sys,addr=twin 
0 0


-

From: Doug Whitesell (LKML)
Date: Sunday, October 14, 2007 - 1:51 pm

If memory serves, you change your xorg.conf's "Device" section's  
"Driver" entry to read:
"nv"
instead of
"nvidia",

although I would consult the xorg documentation/your distribution's  
documentation (and back up your working xorg.conf) for specific  
details. (Your boot sequence may also automatically load the nvidia  
module, again, consult your distribution's documentation for details.)

Cheers/hope this helps,
dcw
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From: Scott Petler
Date: Sunday, October 14, 2007 - 2:00 pm

Doug,

I thought that might do it, it does seem to work.  I edited the driver 
line in my xorg.conf
from nvidia to nv and then,
<alt><ctrl> F1
login as root
/etc/init.d/gdm stop
/etc/init.d/gdm start

It came back up with the same flashing crap on the second monitor, so I 
did it again with
the 2nd monitor turned off altogether, and I'll see how long it will run 
on the single monitor
without the nvidia driver without crashing (maybe forever...).

Thanks,
Scott

-

From: Trond Myklebust
Date: Sunday, October 14, 2007 - 2:32 pm

Please don't forget to reboot, though. The kernel will remain tainted
until you've rebooted without loading the nvidia module.

Cheers
  Trond

-

From: Scott Petler
Date: Sunday, October 14, 2007 - 2:36 pm

Ok, I'll do that....
Thanks

Sent from my iPhone

On Oct 14, 2007, at 2:32 PM, Trond Myklebust  
-

Previous thread: [2.6.23.1] possible circular locking dependency detected by Folkert van Heusden on Saturday, October 13, 2007 - 3:36 pm. (3 messages)

Next thread: [PATCH] Update Jens Axboe's email in Documentation/* by Rob Landley on Saturday, October 13, 2007 - 6:55 pm. (2 messages)