Two more of these sel_netif_lookup related BUGs were found with -RT-2.6.11-rc3-V0.7.38-06:
BUG: sleeping function called from invalid context ksoftirqd/0(2) at kernel/rt.c:1448 in_atomic():1 [00000001], irqs_disabled():0 [<c0104183>] dump_stack+0x23/0x30 (20) [<c011be08>] __might_sleep+0xd8/0xf0 (36) [<c0139008>] __spin_lock+0x38/0x60 (24) [<c013904d>] _spin_lock+0x1d/0x20 (16) [<c015089f>] kmem_cache_alloc+0x3f/0x140 (44) [<c01ea1e9>] sel_netif_lookup+0x69/0x160 (40) [<c01ea3a8>] sel_netif_sids+0x38/0xd0 (40) [<c01e6c13>] selinux_socket_sock_rcv_skb+0xc3/0x2a0 (152) [<c032da2a>] udp_queue_rcv_skb+0xca/0x2d0 (40) [<c032e168>] udp_rcv+0x1c8/0x430 (96) [<c030ab3c>] ip_local_deliver+0x6c/0x210 (36) [<c030af19>] ip_rcv+0x239/0x430 (56) [<c02ed257>] netif_receive_skb+0x147/0x180 (48) [<c02ed30f>] process_backlog+0x7f/0x110 (28) [<c02ed41c>] net_rx_action+0x7c/0x130 (32) [<c0124e37>] ___do_softirq+0x57/0xf0 (40) [<c0124f75>] _do_softirq+0x25/0x30 (8) [<c0125395>] ksoftirqd+0xa5/0x100 (28) [<c0135676>] kthread+0xa6/0xe0 (48) [<c0101329>] kernel_thread_helper+0x5/0xc (537116692) --------------------------- | preempt count: 00000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c0145d5b>] .... __do_IRQ+0xfb/0x1a0 .....[<c01058df>] .. ( <= do_IRQ+0x6f/0xb0) .. [<c013c5eb>] .... print_traces+0x1b/0x60 .....[<c0104183>] .. ( <= dump_stack+0x23/0x30) BUG: sleeping function called from invalid context ksoftirqd/0(2) at kernel/rt.c:1448 in_atomic():1 [00000001], irqs_disabled():0 [<c0104183>] dump_stack+0x23/0x30 (20) [<c011be08>] __might_sleep+0xd8/0xf0 (36) [<c0139008>] __spin_lock+0x38/0x60 (24) [<c013904d>] _spin_lock+0x1d/0x20 (16) [<c015089f>] kmem_cache_alloc+0x3f/0x140 (44) [<c01ea1e9>] sel_netif_lookup+0x69/0x160 (40) [<c01ea3a8>] sel_netif_sids+0x38/0xd0 (40) [<c01e6c13>] selinux_socket_sock_rcv_skb+0xc3/0x2a0 (152) [<c0326c72>] tcp_v4_rcv+0x502/0x950 (76) [<c030ab3c>] ip_local_deliver+0x6c/0x210 (36) [<c030af19>] ip_rcv+0x239/0x430 (56) [<c02ed257>] netif_receive_skb+0x147/0x180 (48) [<c02ed30f>] process_backlog+0x7f/0x110 (28) [<c02ed41c>] net_rx_action+0x7c/0x130 (32) [<c0124e37>] ___do_softirq+0x57/0xf0 (40) [<c0124f75>] _do_softirq+0x25/0x30 (8) [<c0125395>] ksoftirqd+0xa5/0x100 (28) [<c0135676>] kthread+0xa6/0xe0 (48) [<c0101329>] kernel_thread_helper+0x5/0xc (537116692) --------------------------- | preempt count: 00000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c0145d5b>] .... __do_IRQ+0xfb/0x1a0 .....[<c01058df>] .. ( <= do_IRQ+0x6f/0xb0) .. [<c013c5eb>] .... print_traces+0x1b/0x60 .....[<c0104183>] .. ( <= dump_stack+0x23/0x30) Additional info about the system/kernel/config can be found at http://www.sysex.net/testing/ Best Regards, --William Weston <weston at sysex.net> On Wed, 9 Feb 2005, Stephen Smalley wrote: > On Tue, 2005-02-08 at 16:58, William Weston wrote: > > Hi Ingo, > > > > Great work on the -RT kernel! Here's a status report from my Athlon box > > w/ kernel -RT-2.6.11-rc3-V0.7.38-03, realtime-lsm-0.8.5, jack-0.99.48, > > alsa-1.0.8, and latencytest-0.5.5: > <snip> > > A couple BUGs are being logged (see below), but without any ill effect > > other than taking up space on my /var. > <snip> > > Network interface (via rhine) startup triggers these two BUGs: > > > > BUG: sleeping function called from invalid context ksoftirqd/0(2) at > > kernel/rt.c:1448 > > in_atomic():1 [00000001], irqs_disabled():0 > > [<c0103e77>] dump_stack+0x17/0x20 (12) > > [<c0119f89>] __might_sleep+0xd9/0xf0 (40) > > [<c0134816>] __spin_lock+0x36/0x50 (24) > > [<c0147914>] kmem_cache_alloc+0x34/0x120 (44) > > [<c01d3143>] sel_netif_lookup+0x63/0x150 (28) > > [<c01d32cd>] sel_netif_sids+0x2d/0xb0 (28) > > [<c01d01bc>] selinux_socket_sock_rcv_skb+0xac/0x230 (144) > > I'm not sure I understand, as sel_netif_lookup passes GFP_ATOMIC to > kmalloc. > > > [<c02fd248>] udp_queue_rcv_skb+0xb8/0x280 (28) > > [<c02fd8e2>] udp_rcv+0x192/0x3e0 (100) > > [<c02dc224>] ip_local_deliver+0x64/0x1c0 (32) > > [<c02dc595>] ip_rcv+0x215/0x3f0 (56) > > [<c02c201c>] netif_receive_skb+0x12c/0x160 (40) > > [<c02c20ce>] process_backlog+0x7e/0x110 (32) > > [<c02c21d2>] net_rx_action+0x72/0x130 (24) > > [<c0122428>] ___do_softirq+0x48/0xd0 (40) > > [<c012254b>] _do_softirq+0x1b/0x30 (8) > > [<c0122920>] ksoftirqd+0xa0/0xf0 (28) > > [<c01312fb>] kthread+0x8b/0xc0 (36) > > [<c01012f5>] kernel_thread_helper+0x5/0x10 (537116692) > > --------------------------- > > | preempt count: 00000002 ] > > | 2-level deep critical section nesting: > > ---------------------------------------- > > .. [<c013dd3f>] .... __do_IRQ+0xef/0x180 > > .....[<c0105306>] .. ( <= do_IRQ+0x56/0xa0) > > .. [<c0135240>] .... print_traces+0x10/0x40 > > .....[<c0103e77>] .. ( <= dump_stack+0x17/0x20) > > -- > Stephen Smalley <[EMAIL PROTECTED]> > National Security Agency - 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/
