> > > cat /proc/kpageflags on sparc64 causes the box to lock. > > > I can not write on any terminal - but I can issue sysrqs and switch > > > between consoles. > > > > > > cat process hangs in read(3, ... > > > > cat /proc/kpagecount produces similar symptoms. box is locked - sysrq-w sshd trace: > > > > __down > > __down_interruptible > > kobject_get > > lock_kernel > > chrdev_open > > __dentry_open > > nameidata_to_filp > > open_pathname > > do_sys_open > > sparc32_open > > linux_sparc_syscall32 > > Perhaps this is related to sparsemem. > > Can you change line 710 of fs/proc/proc_misc.c to: > > ppage = NULL; Sure. > ..and see if it still breaks? Yes it does - the same way as eariler. Box is locked, processes stuck in D state and after a while "BUG: soft lockup - CPU#0 stuck for 11s!". - To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
