----- Original Message ----- > On Mon, 03 Aug 2015 12:30:22 -0400 > Dave Anderson <anderson@xxxxxxxxxxxx> wrote: > > > > > > > Ah, it must be because of the common user-kernel virtual address space on > > s390x? > > Yes we have overlapping virtual address ranges for kernel and user space and user > space registers are stored at the start of the kernel stack. > > But I am not sure, if that is the reason here (have to verify this). > > Doesn't the -t option check all the stack memory and looks for valid symbol > addresses? So IMO everything found there could be by chance the address > of panic. Why is this no problem on x86? I'm not sure what you mean. How could it be there by chance? Are you talking about a highly unlikely situation where a user-space exception frame at the top of the kernel stack happens to have a register containing a kernel virtual address that's within the panic() function? Dave > > Michael > > -- > Crash-utility mailing list > Crash-utility@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/crash-utility > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
