Messages in this thread | | | From | "Glover George" <> | Subject | RE: st0: Block limits 1 - 16777215 bytes. | Date | Wed, 20 Feb 2002 08:56:41 -0600 |
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Ok, after playing with it a little more I found out that the message I'm getting about the block sizes isn't related to the lockups. I can lock the system up by tar'ing up the /proc directory (why are you tar'ing the /proc directory!!! I know!!! But that's not the point). I had no problem with RH 7.2's supplied 7.2 kernel (2.4.7-10). However, this is 2.4.17 (with the linux-abi patch).
I have been able to make succesful backups as long as I ignore the /proc directory but something must be wrong. Doing an "ls -la *" doesn't lock the machine though. Only when tar'ing it (I suppose because of a read). It doesn't lock up consistently in the same place when reading from the proc directory however, but always in the proc. I made about 15 test runs and they all died in proc and --exclude proc doesn't cause it to lock somewhere else.
I guess the question is (and I've had it for a while) is how do I get the system to log more info for me? I'm a little new a debugging the kernel, but I did compile most of the debugging into a test kernel. However, the system hard locks with no oops or anything in the logs. The system must be shutdown by holding the power button in for 4 seconds. I know this must not be a huge problem because no ones mentioned it, so I'd like to do some more investigating on my part. Thanks for your help.
> Hello Glover , I get the same messages & do not get system > lock ups . Might try sending a little bit more info about > what is going on around any of the lock ups . If you can > reliably lock up the system by accessing the tape drive . > Then send some info to the list about the system & the tape > drive and how it is attached to the system . Hth , JimL > ps: All disk & tape drives are scsi . > > > On Tue, 19 Feb 2002, Glover George wrote: > > > I've been experiencing mysterious lockups since upgrading to kernel > > 2.4.17. Looking in the /var/log/messages I hadn't seen anything > > suspicious until now. I guess the machine hasn't had time to write > > this to disk except every now and then. The message > > > > Feb 19 11:29:55 butler kernel: st0: Block limits 1 - 16777215 bytes. > > > > I notice this after rebooting after the crash. So I tried manually > > doing a tar to the tape drive and was able to successfully lock the > > machine up. Can someone help me understand this and if it > is simply a > > limit problem, why would the machine lock up? > >
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