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Date: Fri, 01 Feb 2008 09:13:49 -0500 From: AndrewL733 <AndrewL733@....com> To: linux-kernel@...r.kernel.org, Myricom Technical Support <help@...i.com> Subject: Re: 2.6.24 Page Allocation Failure The cause of this problem seems to be compiling the Myricom driver with the ALLOC_ORDER=2 option. When I use the in-kernel driver, (1.3.2) or recompile the Myricom 1.4.0 driver WITHOUT the option, the problem seems to go away even after heavy hammering of the system. The ALLOC_ORDER=2 compiling option doesn't seem to cause any problem for the Myricom 1.4.0 driver in the 2.6.22 kernel but it does cause the problem when I run it in 2.6.24. Maybe with 2.6.24 more RAM is required to use this option? I will contact Myricom to inform them. Andrew AndrewL733 wrote: > My setup is Mandriva 2007 64-bit: > > IntelS5000PSLSATA motherboard > Single Dual Core 3 Ghz Xeon > 2 GB ECC RAM > Myricom 10 GbE Network Adapter (using out of kernel 1.4.0 driver > compiled with "MYRI10GE_ALLOC_ORDER=2") > > > I have two identical systems doing data transfer via Myricom cards > connected directly to one another (in other words, not going through a > switch). > > No problems hammering Myricom with 350 MB/sec NFS traffic while > running 2.6.20.15 and 2.6.22.9 (kernel.org "plain vanilla" kernels I > compiled and run, also with updated Myricom drivers). However, I just > compiled and installed 2.6.24 and get the following errors as soon as > I begin doing NFS I/O over the Myricom card. Maybe I missed something > in the kernel configuration? Throughput when running 2.6.24 is about > 40 percent lower than when running 2.6.22.9-- surely due to these errors. > > Jan 29 22:13:36 master kernel: nfsd: page allocation failure. order:2, > mode:0x4020 > Jan 29 22:13:36 master kernel: Pid: 6586, comm: nfsd Not tainted > 2.6.24 #1 > Jan 29 22:13:36 master kernel: > Jan 29 22:13:36 master kernel: Call Trace: > Jan 29 22:13:36 master kernel: <IRQ> [__alloc_pages+822/912] > __alloc_pages+0x336/0x390 > Jan 29 22:13:36 master kernel: <IRQ> [<ffffffff80279d66>] > __alloc_pages+0x336/0x390 > Jan 29 22:13:36 master kernel: [ip_local_deliver+37/112] > ip_local_deliver+0x25/0x70 > Jan 29 22:13:36 master kernel: [<ffffffff80417bb5>] > ip_local_deliver+0x25/0x70 > Jan 29 22:13:36 master kernel: [_end+130301422/2130457992] > :myri10ge:myri10ge_alloc_rx_pages+0x156/0x270 > Jan 29 22:13:36 master kernel: [<ffffffff88280866>] > :myri10ge:myri10ge_alloc_rx_pages+0x156/0x270 > Jan 29 22:13:36 master kernel: [_end+130325174/2130457992] > :myri10ge:myri10ge_poll+0x57e/0xae0 > Jan 29 22:13:36 master kernel: [<ffffffff8828652e>] > :myri10ge:myri10ge_poll+0x57e/0xae0 > Jan 29 22:13:36 master kernel: [_spin_lock_bh+9/32] > _spin_lock_bh+0x9/0x20 > Jan 29 22:13:36 master kernel: [<ffffffff80466819>] > _spin_lock_bh+0x9/0x20 > Jan 29 22:13:36 master kernel: [_end+129719928/2130457992] > :sunrpc:svc_sock_enqueue+0x80/0x340 > Jan 29 22:13:36 master kernel: [<ffffffff881f28f0>] > :sunrpc:svc_sock_enqueue+0x80/0x340 > Jan 29 22:13:36 master kernel: [net_rx_action+153/448] > net_rx_action+0x99/0x1c0 > Jan 29 22:13:36 master kernel: [<ffffffff803f6729>] > net_rx_action+0x99/0x1c0 > Jan 29 22:13:36 master kernel: [__do_softirq+105/224] > __do_softirq+0x69/0xe0 > Jan 29 22:13:36 master kernel: [<ffffffff80241db9>] > __do_softirq+0x69/0xe0 > Jan 29 22:13:36 master kernel: [call_softirq+28/48] > call_softirq+0x1c/0x30 > Jan 29 22:13:36 master kernel: [<ffffffff8020cd9c>] > call_softirq+0x1c/0x30 > Jan 29 22:13:36 master kernel: <EOI> [do_softirq+53/144] > do_softirq+0x35/0x90 > Jan 29 22:13:36 master kernel: <EOI> [<ffffffff8020eef5>] > do_softirq+0x35/0x90 > Jan 29 22:13:36 master kernel: [local_bh_enable+91/160] > local_bh_enable+0x5b/0xa0 > Jan 29 22:13:36 master kernel: [<ffffffff80241c6b>] > local_bh_enable+0x5b/0xa0 > Jan 29 22:13:36 master kernel: [_end+129726255/2130457992] > :sunrpc:svc_udp_recvfrom+0x407/0x430 > Jan 29 22:13:36 master kernel: [<ffffffff881f41a7>] > :sunrpc:svc_udp_recvfrom+0x407/0x430 > Jan 29 22:13:36 master kernel: [_end+129730321/2130457992] > :sunrpc:svc_recv+0x2a9/0x4e0 > Jan 29 22:13:36 master kernel: [<ffffffff881f5189>] > :sunrpc:svc_recv+0x2a9/0x4e0 > Jan 29 22:13:36 master kernel: [default_wake_function+0/16] > default_wake_function+0x0/0x10 > Jan 29 22:13:36 master kernel: [<ffffffff80233460>] > default_wake_function+0x0/0x10 > Jan 29 22:13:36 master kernel: [__down_read+18/177] > __down_read+0x12/0xb1 > Jan 29 22:13:36 master kernel: [<ffffffff80466242>] > __down_read+0x12/0xb1 > Jan 29 22:13:36 master kernel: [_end+130772360/2130457992] > :nfsd:nfsd+0x0/0x2e0 > an 29 22:13:36 master kernel: [<ffffffff882f3800>] :nfsd:nfsd+0x0/0x2e0 > Jan 29 22:13:36 master kernel: [_end+130772586/2130457992] > :nfsd:nfsd+0xe2/0x2e0 > Jan 29 22:13:36 master kernel: [<ffffffff882f38e2>] > :nfsd:nfsd+0xe2/0x2e0 > Jan 29 22:13:36 master kernel: [child_rip+10/18] child_rip+0xa/0x12 > Jan 29 22:13:36 master kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12 > Jan 29 22:13:36 master kernel: [_end+130772360/2130457992] > :nfsd:nfsd+0x0/0x2e0 > Jan 29 22:13:36 master kernel: [<ffffffff882f3800>] :nfsd:nfsd+0x0/0x2e0 > Jan 29 22:13:36 master kernel: [_end+130772360/2130457992] > :nfsd:nfsd+0x0/0x2e0 > Jan 29 22:13:36 master kernel: [<ffffffff882f3800>] :nfsd:nfsd+0x0/0x2e0 > Jan 29 22:13:36 master kernel: [child_rip+0/18] child_rip+0x0/0x12 > Jan 29 22:13:36 master kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12 > Jan 29 22:13:36 master kernel: > Jan 29 22:13:36 master kernel: Mem-info: > Jan 29 22:13:36 master kernel: DMA per-cpu: > Jan 29 22:13:36 master kernel: CPU 0: Hot: hi: 0, btch: 1 > usd: 0 Cold: hi: 0, btch: 1 usd: 0 > Jan 29 22:13:36 master kernel: CPU 1: Hot: hi: 0, btch: 1 > usd: 0 Cold: hi: 0, btch: 1 usd: 0 > Jan 29 22:13:36 master kernel: DMA32 per-cpu: > Jan 29 22:13:36 master kernel: CPU 0: Hot: hi: 186, btch: 31 usd: > 150 Cold: hi: 62, btch: 15 usd: 62 > Jan 29 22:13:36 master kernel: CPU 1: Hot: hi: 186, btch: 31 usd: > 105 Cold: hi: 62, btch: 15 usd: 52 > Jan 29 22:13:36 master kernel: Active:41027 inactive:437314 > dirty:29708 writeback:0 unstable:0 > Jan 29 22:13:36 master kernel: free:3892 slab:19405 mapped:11793 > pagetables:1512 bounce:0 > Jan 29 22:13:36 master kernel: DMA free:8008kB min:28kB low:32kB > high:40kB active:0kB inactive:2384kB present:11100kB pages_scanned:0 > all_unreclaimable? no > Jan 29 22:13:36 master kernel: lowmem_reserve[]: 0 1998 1998 1998 > Jan 29 22:13:36 master kernel: DMA32 free:7560kB min:5704kB low:7128kB > high:8556kB active:164108kB inactive:1746872kB present:2046800kB > pages_scanned:32 all_unreclaimab > le? no > Jan 29 22:13:36 master kernel: lowmem_reserve[]: 0 0 0 0 > Jan 29 22:13:36 master kernel: DMA: 4*4kB 5*8kB 6*16kB 6*32kB 4*64kB > 2*128kB 4*256kB 4*512kB 0*1024kB 0*2048kB 1*4096kB = 8024kB > Jan 29 22:13:36 master kernel: DMA32: 1365*4kB 11*8kB 38*16kB 18*32kB > 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 7756kB > Jan 29 22:13:36 master kernel: Swap cache: add 43, delete 43, find > 0/0, race 0+0 > Jan 29 22:13:36 master kernel: Free swap = 4088332kB > Jan 29 22:13:36 master kernel: Total swap = 4088500kB > Jan 29 22:13:36 master kernel: Free swap: 4088332kB > Jan 29 22:13:36 master kernel: 523264 pages of RAM > Jan 29 22:13:36 master kernel: 9510 reserved pages > Jan 29 22:13:36 master kernel: 492885 pages shared > Jan 29 22:13:36 master kernel: 0 pages swap cached > Jan 29 22:13:44 master nmbd[3438]: [2008/01/29 22:13:44, 0] > nmbd/nmbd_packets.c:process_browse_packet(1061) > Jan 29 22:13:44 master nmbd[3438]: process_browse_packet: Discarding > datagram from IP 192.168.1.240. Source name master<00> is one of our > names ! > Jan 29 22:13:44 master nmbd[3438]: [2008/01/29 22:13:44, 0] > nmbd/nmbd_packets.c:process_browse_packet(1061) > Jan 29 22:13:44 master nmbd[3438]: process_browse_packet: Discarding > datagram from IP 192.168.1.237. Source name master<00> is one of our > names ! > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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