On Wed, 6 Feb 2008 00:34:12 -0800 Andrew Morton <[EMAIL PROTECTED]> wrote:
> On Mon, 4 Feb 2008 04:43:04 -0800 Andrew Morton <[EMAIL PROTECTED]> wrote: > > > On Sun, 3 Feb 2008 15:07:44 -0800 Andrew Morton <[EMAIL PROTECTED]> wrote: > > > > > On Sun, 3 Feb 2008 15:02:46 -0800 Andrew Morton <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > With current mainline I'm getting intermittent hangs here: > > > > > > > > http://userweb.kernel.org/~akpm/p2033590.jpg > > > > > > > > with this config: > > > > > > > > http://userweb.kernel.org/~akpm/config-sony.txt > > > > > > > > on the Vaio. Sometimes it boots (then hits another different hang), > > > > sometimes it gets stuck there. > > > > CONFIG_DEBUG_LOCKING_API_SELFTESTS=n fixed that up. > > > > > > > > The second hang is in kobject_uevent_init(). All that function does is > > > call > > > netlink_kernel_create(). > > > > And I've fully bisected this hang twice and both times came up with > > > > commit 33f807ba0d9259e7c75c7a2ce8bd2787e5b540c7 > > Author: Stephen Hemminger <[EMAIL PROTECTED]> > > Date: Mon Nov 19 19:24:52 2007 -0800 > > > > [NETPOLL]: Kill NETPOLL_RX_DROP, set but never tested. > > > > which is stupid because that patch doesn't do anything. > > > > However I am using netconsole-over-e100 and the hang does go away when I > > disable netconsole on the kernel boot command line. > > > > I'd say it's some timing thing in netpoll/netconsole/napi/etc. > > > > I'm seeing this netconsole hang on a second machine now. Current > mainline. It also has e100. This one is SMP ancient PIII. > > Config: http://userweb.kernel.org/~akpm/config-vmm.txt > I can reproduce this on a third machine: the t61p laptop: dual x86_64 with e1000. It seems to need quite a lot of printk activity to make it happen. Turning on initcall_debug is a suitable way of triggering it. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
