Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-10-01 Thread Kjetil Kjernsmo
On Tuesday 30 September 2003 00:37, Mark Ferlatte wrote: > It would mean taking your hardware offline, but I would try memtest. > Think of it this way: maybe the next bit flip is in the middle of > your data. Uhm, but I thought memtest from the sysutils package (as opposed to memtest86), was sui

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-30 Thread Stephen Patterson
On Tue, 30 Sep 2003 04:40:09 +0200, csj wrote: > Try compiling the linux kernel X times. In my experience at some > point bad memory will cause a kernel compile to fail (of course a > bad CPU would casue it to fail much faster, but CPU's are > probably the hardiest part of your system) That, or i

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread csj
At Mon, 29 Sep 2003 23:03:27 +0200, Kjetil Kjernsmo wrote: > > On Monday 29 September 2003 22:06, Juri Haberland wrote: > > Though I don't know much about kernel opps messages I still > > recommend to check you RAM, e.g. with memtest86, as it might > > be just a bit flipped due to failed memory. >

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread Juri Haberland
Mark Ferlatte schrieb: > Kjetil Kjernsmo said on Mon, Sep 29, 2003 at 11:03:27PM +0200: >> How about memtest...? This box is under some load, but usually not too >> bad, would it be a good idea to run it overnight? How would I go about >> to test a much as possible of my memory with it? > > It w

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread Mark Ferlatte
Kjetil Kjernsmo said on Mon, Sep 29, 2003 at 11:03:27PM +0200: > How about memtest...? This box is under some load, but usually not too > bad, would it be a good idea to run it overnight? How would I go about > to test a much as possible of my memory with it? It would mean taking your hardware o

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread Kjetil Kjernsmo
On Monday 29 September 2003 22:06, Juri Haberland wrote: > Though I don't know much about kernel opps messages I still recommend > to check you RAM, e.g. with memtest86, as it might be just a bit > flipped due to failed memory. Oh, yes, that's right, I forgot. Thanks. However, it requires taking i

Re: Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread Juri Haberland
Kjetil Kjernsmo schrieb: > These segfaults started to appear, and I found there were little I could > do to repair it. Eventually, it seems like more and more programs got > this problem, and finally I couldn't log on anymore on Sunday evening. > > In the server room, I booted the machine with

Kernel Oops (was Re: Lots of scary segfaults)

2003-09-29 Thread Kjetil Kjernsmo
Hello! I realized I had to go down to the server room to fix this. Been there all day. Think I'm catching a cold... ;-) Just a reminder of what happened: On Saturday 27 September 2003 15:22, Kjetil Kjernsmo wrote: > Last night, the cronjob on my main server reported this: > /etc/cron.daily/mail

Re: Lots of scary segfaults

2003-09-27 Thread Russell Shaw
Kjetil Kjernsmo wrote: Thanks for the quick response! On Saturday 27 September 2003 16:21, Russell Shaw wrote: fsck the disk. OK! However, physical access to this computer is a complex issue, and to run fsck on the / and /usr partitions (which are the most obvious places to look), I can't thin

Re: Lots of scary segfaults

2003-09-27 Thread Kjetil Kjernsmo
Thanks for the quick response! On Saturday 27 September 2003 16:21, Russell Shaw wrote: > fsck the disk. OK! However, physical access to this computer is a complex issue, and to run fsck on the / and /usr partitions (which are the most obvious places to look), I can't think of a way to unmount

Re: Lots of scary segfaults

2003-09-27 Thread Juri Haberland
Russell Shaw wrote: > Kjetil Kjernsmo wrote: >> Hi all! >> >> Last night, the cronjob on my main server reported this: > ... >> So, there is a segfault there too, but I guess this really doesn't imply >> there is a trojan, but that this is a consequence of the same problem >> as above. >> >> An

Re: Lots of scary segfaults

2003-09-27 Thread Russell Shaw
Kjetil Kjernsmo wrote: Hi all! Last night, the cronjob on my main server reported this: ... So, there is a segfault there too, but I guess this really doesn't imply there is a trojan, but that this is a consequence of the same problem as above. Any ideas? fsck the disk. Find a specific program