At 04:13 PM 4/9/2010, Pyun YongHyeon wrote: >On Fri, Apr 09, 2010 at 12:09:24PM -0700, Jack Vogel wrote: > > Someone else also pointed this out. I'm dubious about its claim. > >I can't reproduce the LOR with latest em(4)(r206429). I still get it for some reason 1st 0xc5dc7610 em1:rx(1) (em1:rx(1)) _at_ /usr/HEAD/src/sys/modules/em/../../dev/e1000/if_em.c:4087 2nd 0xc0f7df0c udp (udp) _at_ /usr/HEAD/src/sys/netinet/udp_usrreq.c:454 KDB: stack backtrace: db_trace_self_wrapper(c0cb4313,c5b72a64,c08e4305,c08d467b,c0cb7338,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c08d467b,c0cb7338,c5d31a98,c5d2cb60,c5b72ac0,...) at kdb_backtrace+0x29 _witness_debugger(c0cb7338,c0f7df0c,c0c9c4eb,c5d2cb60,c0ccfaf7,...) at _witness_debugger+0x25 witness_checkorder(c0f7df0c,1,c0ccfaf7,1c6,0,...) at witness_checkorder+0x839 _rw_rlock(c0f7df0c,c0ccfaf7,1c6,c5d33088,c5e8be24,...) at _rw_rlock+0x9c udp_input(c6905900,14,0,c5e8bd80,c0df9ee0,...) at udp_input+0x246 ip_input(c6905900,c5f39240,c5b72bdc,c0745956,c0df9ee0,...) at ip_input+0x606 netisr_dispatch_src(1,0,c6905900,c5b72c14,c0954161,...) at netisr_dispatch_src+0xcd netisr_dispatch(1,c6905900,c6018c00,c6018c00,c6925800,...) at netisr_dispatch+0x20 ether_demux(c6018c00,c6905900,3,0,3,...) at ether_demux+0x1a1 ether_input(c6018c00,c6905900,c119f2d7,ff7,63,...) at ether_input+0x365 em_rxeof(c5e8bd80,109,c6016180,0,c5b72cc8,...) at em_rxeof+0x133 em_msix_rx(c5dc7600,c5b72cc8,c088e0b4,c0e13740,c60342b8,...) at em_msix_rx+0x25 intr_event_execute_handlers(c5d807f8,c6034280,c0cac35e,533,c60342f0,...) at intr_event_execute_handlers+0x125 ithread_loop(c603b4a0,c5b72d38,c0cac0cd,343,c5d807f8,...) at ithread_loop+0x9f fork_exit(c0876da0,c603b4a0,c5b72d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xc5b72d70, ebp = 0 --- Perhaps because multi-queue is still enabled ? 0(i5b)% vmstat -i interrupt total rate irq4: uart0 6637 28 irq21: ehci0 382 1 irq23: ehci1 615 2 cpu0: timer 462573 1993 irq256: em0 7640 32 irq257: em1 5 0 irq258: em1 6 0 irq261: em1 2 0 irq262: ahci0 69 0 cpu3: timer 461507 1989 cpu2: timer 460985 1987 cpu1: timer 461545 1989 Total 1861966 8025 0(i5b)% em0: <Intel(R) PRO/1000 Network Connection 7.0.3> port 0x3040-0x305f mem 0xc1b00000-0xc1b1ffff,0xc1b25000-0xc1b25fff irq 20 at device 25.0 on pci0 em0: Using MSI interrupt em0: [FILTER] em0: Ethernet address: 00:15:17:c8:4b:99 ehci0: <Intel PCH USB 2.0 controller USB-B> mem 0xc1b22000-0xc1b223ff irq 21 at device 26.0 on pci0 ehci0: [ITHREAD] usbus0: EHCI version 1.0 usbus0: <Intel PCH USB 2.0 controller USB-B> on ehci0 pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0 pci2: <ACPI PCI bus> on pcib2 pcib3: <ACPI PCI-PCI bridge> irq 16 at device 28.4 on pci0 pci3: <ACPI PCI bus> on pcib3 em1: <Intel(R) PRO/1000 Network Connection 7.0.3> port 0x1000-0x101f mem 0xc1900000-0xc191ffff,0xc1920000-0xc1923fff irq 16 at device 0.0 on pci3 em1: Using MSIX interrupts with 5 vectors em1: [ITHREAD] em1: [ITHREAD] em1: [ITHREAD] em1: [ITHREAD] em1: [ITHREAD] em1: Ethernet address: 00:15:17:c8:4b:98 -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike_at_sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mikeReceived on Fri Apr 09 2010 - 19:05:30 UTC
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