From owner-freebsd-bugs Tue May 23 01:20:08 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id BAA16963 for bugs-outgoing; Tue, 23 May 1995 01:20:08 -0700 Received: (from gnats@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id BAA16953 ; Tue, 23 May 1995 01:20:05 -0700 Date: Tue, 23 May 1995 01:20:05 -0700 Message-Id: <199505230820.BAA16953@freefall.cdrom.com> From: Heikki Suonsivu Reply-To: Heikki Suonsivu To: freebsd-bugs Subject: kern/435: mb_map full, network starts jumping off and on, finally stays down In-Reply-To: Your message of Tue, 23 May 1995 11:17:10 +0300 <199505230817.LAA14469@katiska.clinet.fi> Sender: bugs-owner@FreeBSD.org Precedence: bulk >Number: 435 >Category: kern >Synopsis: mb_map full, network starts jumping off and on, finally stays down >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs (FreeBSD bugs mailing list) >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue May 23 01:20:04 1995 >Originator: Heikki Suonsivu >Organization: Helsinki University of Technology, Finland >Release: FreeBSD 2.0-BUILT-19950507 i386 >Environment: P90 as news server plus various other jobs. FreeBSD 2.0-BUILT-19950519 #0: Fri May 19 18:19:14 EET DST 1995 hsu@katiska.clinet.fi:/usr/src/sys/compile/CLINETSERVER CPU: 90-MHz Pentium 735\\90 (Pentium-class CPU) Origin = "GenuineIntel" Id = 0x524 Stepping=4 Features=0x1bf real memory = 33161216 (8096 pages) avail memory = 30777344 (7514 pages) Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> ed0 at 0x280-0x29f irq 5 maddr 0xd8000 msize 16384 on isa ed0: address 00:00:c0:cd:b9:a3, type WD8013EPC (16 bit) bpf: ed0 attached lpt0 not found at 0x3bc sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A sio2 not found at 0x3e8 sio3 not found at 0x2e8 pca0 on isa pca0: PC speaker audio driver bt0 not found at 0x330 aha0 not found at 0x330 wdc0 not found at 0x1f0 wdc1 not found at 0x170 fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 765 fd0: 1.44MB 3.5in mcd0: timeout getting status mcd0 not found at 0x300 le0: no board found at 0x300 le0 not found at 0x300 npx0 on motherboard npx0: INT 16 interface matcd0 not found at 0xffffffff matcd1 not found at 0xffffffff matcd2 not found at 0xffffffff matcd3 not found at 0xffffffff bio_imask c0000040 tty_imask c003003a net_imask c003003a Probing for devices on the pci0 bus: configuration mode 1 allows 32 devices. pci0:0: vendor=0x1039, device=0x406, class=bridge [not supported] pci0:1: vendor=0x1039, device=0x8, class=bridge [not supported] ncr0 rev 2 int a irq 12 on pci0:13 reg20: virtual=0xf61ddf00 physical=0xffbdff00 size=0x100 ncr0: restart (scsi reset). ncr0 scanning for targets 0..6 (V2 pl21 95/03/21) ncr0 waiting for scsi devices to settle (ncr0:0:0): 200ns (5 Mb/sec) offset 8. (ncr0:0:0): "IBM 0662S12 !O 2 23" type 0 fixed SCSI 2 sd0(ncr0:0:0): Direct-Access sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 1003MB (2055035 512 byte sectors) (ncr0:1:0): "SEAGATE ST32550N 0012" type 0 fixed SCSI 2 sd1(ncr0:1:0): Direct-Access sd1(ncr0:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 2047MB (4194058 512 byte sectors) (ncr0:3:0): "SEAGATE ST31200N 9348" type 0 fixed SCSI 2 sd3(ncr0:3:0): Direct-Access sd3(ncr0:3:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8. 1011MB (2072435 512 byte sectors) vga0 rev 0 on pci0:17 pci0: uses 8388864 bytes of memory from ff000000 upto ffbdffff. pci0: uses 256 bytes of I/O space from fc00 upto fcff. changing root device to sd0a bpf: ds0 attached bpf: lo0 attached bpf: ppp0 attached bpf: ppp1 attached bpf: ppp2 attached bpf: ppp3 attached bpf: ppp4 attached bpf: ppp5 attached bpf: ppp6 attached bpf: ppp7 attached bpf: ppp8 attached bpf: ppp9 attached bpf: ppp10 attached bpf: ppp11 attached bpf: ppp12 attached bpf: ppp13 attached bpf: ppp14 attached bpf: ppp15 attached bpf: ppp16 attached bpf: ppp17 attached bpf: ppp18 attached bpf: ppp19 attached bpf: ppp20 attached bpf: ppp21 attached bpf: ppp22 attached bpf: ppp23 attached bpf: ppp24 attached bpf: ppp25 attached bpf: ppp26 attached bpf: ppp27 attached bpf: ppp28 attached bpf: ppp29 attached bpf: ppp30 attached bpf: ppp31 attached bpf: sl0 attached bpf: sl1 attached bpf: sl2 attached bpf: sl3 attached bpf: sl4 attached bpf: sl5 attached bpf: sl6 attached bpf: sl7 attached bpf: sl8 attached bpf: sl9 attached bpf: sl10 attached bpf: sl11 attached bpf: sl12 attached bpf: sl13 attached bpf: sl14 attached bpf: sl15 attached bpf: tun0 attached WARNING: / was not properly dismounted. >Description: Kernel spits out May 23 00:00:32 katiska /kernel: mb_map full And network interface starts dropping packets. Occasionally a packet or two gets through, as sometimes nfs says is alive again, and even a login gets though. A couple of hours later the connections die completely. >How-To-Repeat: Don't know, but suspect high load. >Fix: Don't know, but I assume it is a too small fixed-size table somewhere, and probably a leak somewhere else. >Audit-Trail: >Unformatted: