On Sat, Sep 22, 2007 at 12:39:55PM +0800, lepton wrote: > There is a bug in os_free_irq_by_cb, when the first element > of active_fds list is free, the value of active_fds is not > updated, just value in stack is updated.
Man, that sucks. Nice spotting. > > The intresting thing is that without this patch, a poweroff > in user mode linux guest will halt the host linux system.It > seems that after the tracing thread is dead, the syscall to > sys_reboot of the traced thread is executed by host. I don't > know if it is another bug. I would say that you shouldn't be running UMLs as root. However, a sys_reboot shouldn't escape being ptraced either. This is a bug, but I don't see any connection between it and ptrace missing a final system call. Jeff -- Work email - jdike at linux dot intel dot com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/