From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Rankin Subject: [e100] Page allocation failure warning(?) in 2.6.36.3 Date: Sat, 8 Jan 2011 04:53:51 -0800 (PST) Message-ID: <913138.52057.qm@web121710.mail.ne1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: e1000-devel@lists.sourceforge.net Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org Hi, I've just booted 2.6.36.3 on my old router box (which contains one single e100 card, and one dual-port e100 card), and have discovered this rather scary message in the dmesg log: e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI e100: Copyright(c) 1999-2006 Intel Corporation e100 0000:00:0f.0: PME# disabled e100 0000:00:0f.0: eth0: addr 0xffbeb000, irq 10, MAC addr 00:90:27:76:d0:ec e100 0000:01:04.0: PME# disabled e100 0000:01:04.0: eth1: addr 0xff0fe000, irq 11, MAC addr 00:03:47:3b:29:5c e100 0000:01:05.0: PME# disabled e100 0000:01:05.0: eth2: addr 0xff0ff000, irq 10, MAC addr 00:03:47:3b:29:5d ... device eth1 entered promiscuous mode ADDRCONF(NETDEV_UP): eth1: link is not ready e100 0000:01:04.0: eth1: NIC Link is Up 100 Mbps Full Duplex ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready device eth2 entered promiscuous mode ADDRCONF(NETDEV_UP): eth2: link is not ready br0: port 1(eth1) entering learning state br0: port 1(eth1) entering learning state ifconfig: page allocation failure. order:6, mode:0x8020 Pid: 3716, comm: ifconfig Not tainted 2.6.36.3 #1 Call Trace: [] ? __alloc_pages_nodemask+0x477/0x4a6 [] ? __slab_alloc+0x1eb/0x396 [] ? dma_generic_alloc_coherent+0x4e/0xac [] ? dma_pool_alloc+0xe5/0x1d9 [] ? dma_generic_alloc_coherent+0x0/0xac [] ? e100_rx_alloc_skb+0x87/0x122 [e100] [] ? e100_rx_alloc_skb+0x117/0x122 [e100] [] ? e100_alloc_cbs+0x4e/0xfa [e100] [] ? e100_up+0x1b/0xf1 [e100] [] ? e100_open+0x17/0x3b [e100] [] ? __dev_open+0x7c/0xa0 [] ? __dev_change_flags+0x8b/0x100 [] ? dev_change_flags+0x10/0x3b [] ? devinet_ioctl+0x25a/0x532 [] ? sock_ioctl+0x1a8/0x1ca [] ? sock_ioctl+0x0/0x1ca [] ? do_vfs_ioctl+0x464/0x4a2 [] ? do_page_fault+0x2d2/0x2ea [] ? do_page_fault+0x2ba/0x2ea [] ? sys_faccessat+0x144/0x151 [] ? sys_ioctl+0x2d/0x49 [] ? syscall_call+0x7/0xb Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 6, btch: 1 usd: 0 active_anon:280 inactive_anon:808 isolated_anon:0 active_file:1384 inactive_file:9672 isolated_file:0 unevictable:0 dirty:77 writeback:0 unstable:0 free:753 slab_reclaimable:499 slab_unreclaimable:1393 mapped:375 shmem:643 pagetables:59 bounce:0 DMA free:1492kB min:248kB low:308kB high:372kB active_anon:0kB inactive_anon:12kB active_file:288kB inactive_file:12548kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15864kB mlocked:0kB dirty:48kB writeback:0kB mapped:28kB shmem:0kB slab_reclaimable:312kB slab_unreclaimable:884kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 47 47 Normal free:1520kB min:764kB low:952kB high:1144kB active_anon:1120kB inactive_anon:3220kB active_file:5248kB inactive_file:26140kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:48768kB mlocked:0kB dirty:260kB writeback:0kB mapped:1472kB shmem:2572kB slab_reclaimable:1684kB slab_unreclaimable:4688kB kernel_stack:176kB pagetables:236kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 51*4kB 23*8kB 3*16kB 3*32kB 7*64kB 4*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1492kB Normal: 260*4kB 26*8kB 1*16kB 0*32kB 0*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1520kB 11715 total pagecache pages 16 pages in swap cache Swap cache stats: add 44, delete 28, find 72/72 Free swap = 2179532kB Total swap = 2179596kB 16383 pages RAM 826 pages reserved 10736 pages shared 5361 pages non-shared ADDRCONF(NETDEV_UP): eth0: link is not ready e100 0000:00:0f.0: eth0: NIC Link is Up 100 Mbps Full Duplex ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready br0: port 1(eth1) entering forwarding state Should I be concerned, please? All three e100 devices still appear to be working, but something nasty seems to have happened anyway. The lspci output for these devices is: 00:0f.0 0200: 8086:1229 (rev 08) Subsystem: 8086:000c Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR-