On Mon, Feb 9, 2009 at 11:51 PM, Dave Anderson <anderson@xxxxxxxxxx> wrote: > > ----- "Jun Koi" <junkoi2004@xxxxxxxxx> wrote: > >> Hi, >> >> When using the latest crash on 2.6.27.14 to analyze live memory >> (running crash without any option), I got a bug like below. How can I >> fix that? >> >> (A similar problem is also seen on 2.6.27.8) >> >> Thanks, >> Jun > > The "read error" indications are most likely due to your kernel > being configured with CONFIG_STRICT_DEVMEM, which restricts > /dev/mem access to the first 256 pages of physical memory, > which makes it useless for the crash utility. Thanks a lot for the information - I can fix the kernel here. But perhaps it is better to give some hints when we have such a error report, so users know that they should turn off the above configuration? I am sure that many people will have this problem, as the option may be ON by default. Thanks, Jun -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
