On Sun, Aug 21, 2016 at 02:10:07PM +0200, Vegard Nossum wrote: SNIP
> [<ffffffff816d1577>] ? __fget+0x47/0x270 > [<ffffffff81676d5b>] vfs_readv+0x8b/0xc0 > [<ffffffff81676e6e>] do_readv+0xde/0x230 > [<ffffffff81676d90>] ? vfs_readv+0xc0/0xc0 > [<ffffffff81002b60>] ? exit_to_usermode_loop+0x190/0x190 > [<ffffffff82001b07>] ? check_preemption_disabled+0x37/0x1e0 > [<ffffffff81677617>] SyS_readv+0x27/0x30 > [<ffffffff816775f0>] ? do_pwritev+0x1a0/0x1a0 > [<ffffffff81005524>] do_syscall_64+0x1c4/0x4e0 > [<ffffffff83c3286a>] entry_SYSCALL64_slow_path+0x25/0x25 > > I don't think WARN() is the right interface for signalling errors to > userspace programs? any special way to trigger that? thanks, jirka
