Messages in this thread | | | From | Javier Domingo <> | Date | Tue, 14 May 2013 20:36:59 +0200 | Subject | Re: Kernel OOPS using auditd Debian 3.2 on a /sys file audit |
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I didn't get any reply, is this mailing list still valid, or should I ask elsewhere? (this is a ping message)
Javier Domingo
2013/5/2 Javier Domingo <javierdo1@gmail.com>: > Hi, > > I am currently having problems with the cpu scaling (something is > touching the /sys/devices/system/cpu/cpu?/cpufreq/scaling_max_freq), > and I decided to use inotify to seek if something was being changed or > not. > > This gave no problems to me, but something is writing just before me, > and I can't know from the inotifywait cmd who. Then, I found auditdl, > so I put this command onto it: > > # auditctl -w /sys/devices/system/cpu/cpu?/cpufreq/scaling_max_freq > > And just after this, this totally blocking OOPS was triggered: > [ 5072.685483] BUG: unable to handle kernel NULL pointer dereference > at 0000000000000038 > [ 5072.714302] IP: [<ffffffff8114f06c>] sysfs_dentry_revalidate+0x9/0xa2 > [ 5072.741249] PGD 12eca4067 PUD 12ec62067 PMD 0 > [ 5072.768102] Oops: 0000 [#1] SMP > > I tried to make sysrq, but didn't work. I have repeated several times > this and it always crashes. I am attaching the photo of the second > time because it is much longer than the second one. > > Hope this helps on something! > > Javier Domingo
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