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From devnull@lkml.org Thu Apr 25 13:42:16 2024 Received: from entropy.muc.muohio.edu (entropy.muc.muohio.edu [134.53.213.10]) by herbie.ucs.indiana.edu (8.8.8/8.8.8) with ESMTP id QAA10308 for ; Sat, 14 Nov 1998 16:46:34 -0500 (EST) Received: from vger.rutgers.edu (vger.rutgers.edu [128.6.190.2]) by entropy.muc.muohio.edu (8.9.0/8.8.7) with ESMTP id QAA31597; Sat, 14 Nov 1998 16:18:38 -0500 Received: by vger.rutgers.edu id <156172-5740>; Sat, 14 Nov 1998 06:59:05 -0500 Received: from post-12.mail.demon.net ([194.217.242.41]:46654 "EHLO post.mail.demon.net" ident: "NO-IDENT-SERVICE[2]") by vger.rutgers.edu with ESMTP id <156171-5740>; Sat, 14 Nov 1998 06:58:43 -0500 Received: from [158.152.126.99] (helo=charmed.demon.co.uk) by post.mail.demon.net with esmtp (Exim 2.05demon1 #1) id 0zeeoU-0005v0-00 for linux-kernel@vger.rutgers.edu; Sat, 14 Nov 1998 12:28:27 +0000 Received: from charmed.demon.co.uk (denty@localhost [127.0.0.1]) by charmed.demon.co.uk (8.8.8/8.8.8/Debian/GNU) with ESMTP id MAA27955; Sat, 14 Nov 1998 12:26:26 GMT Message-Id: <364D76EF.5D6AF5F7@charmed.demon.co.uk> Date: Sat, 14 Nov 1998 12:26:24 +0000 From: John Dent X-Mailer: Mozilla 4.5 [en] (X11; I; Linux 2.1.127 i586) X-Accept-Language: en Mime-Version: 1.0 To: linux-kernel@vger.rutgers.edu Cc: denty@charmed.demon.co.uk Subject: reboot under high memory/swap/fs load Content-Type: text/plain; charset=iso-8859-1 X-Orcpt: rfc822;linux-kernel@vger.rutgers.edu Sender: owner-linux-kernel@vger.rutgers.edu Precedence: bulk X-Loop: majordomo@vger.rutgers.edu Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by herbie.ucs.indiana.edu id QAA10308 Hi, When I do a fresh make (i.e., after a make clean; make dep) on the kernel, I can force the kernel to do a reboot. A normal make bzImage works fine as you would expect but doing make MAKE='make -j 8' bzImage reboots after a few minutes of activity. Admittedly make -j 8 isn't perhaps the most social of environments but since I've got plenty of swap space over three separate disks (one IDE, two SCSI - don't think this should matter, should it?) and 80MB RAM, I thought I'd use it. Last time I tried, the load avarage according to top was over 20 and there was several tens of MB in swap. It was paging like buggery but the build was progressing as you'd expect. Then, all of a sudden, the screen went black and a few secons later came to life again with the BIOS POST. I don't really advise anyone to try it unless you're feeling masochistic but I thought most of the high MM load problems were sorted by now??? Some system information follows. (There is nothing of interest in /var/adm/*, unfortunately - guess it rebooted before klogd had a chance.) charmed:~> cd /proc/ charmed:/proc> ls 1/ 1798/ 1894/ 2194/ 26444/ meminfo 11/ 1801/ 1901/ 2195/ 26445/ misc 1614/ 1812/ 1902/ 2196/ 26451/ modules 1616/ 1850/ 1903/ 2197/ 3/ mounts 1620/ 1852/ 1904/ 2200/ bus/ net/ 1634/ 1854/ 1905/ 2202/ cmdline parport/ 1697/ 1856/ 1910/ 2203/ cpuinfo partitions 1708/ 1858/ 1911/ 2204/ devices pci 1712/ 1860/ 1912/ 2218/ dma scsi/ 1717/ 1867/ 1913/ 2219/ filesystems self@ 1721/ 1872/ 1914/ 2220/ fs/ slabinfo 1726/ 1873/ 1915/ 2255/ ide/ stat 1729/ 1874/ 1968/ 2333/ interrupts swaps 1735/ 1875/ 1972/ 2339/ ioports sys/ 1739/ 1876/ 1973/ 24195/ kcore tty/ 1746/ 1877/ 1977/ 24196/ kmsg uptime 1752/ 1879/ 2/ 2432/ ksyms version 1754/ 1883/ 2180/ 2464/ loadavg 1756/ 1886/ 2191/ 2466/ locks 1795/ 1889/ 2192/ 26078/ mdstat charmed:/proc> cat cmd cat: cmd: No such file or directory charmed:/proc> cat cmdline auto BOOT_IMAGE=Linux-2.1.127 ro root=305 aha152x=0x340,12 charmed:/proc> cat cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 5 model : 2 model name : Pentium 75 - 200 stepping : 12 cpu MHz : 166.196956 fdiv_bug : no hlt_bug : no sep_bug : no f00f_bug : yes fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr mce cx8 bogomips : 66.36 charmed:/proc> cat devices Character devices: 1 mem 2 pty 3 ttyp 4 ttyS 5 cua 6 lp 7 vcs 10 misc 21 sg 81 video_capture 128 ptm 136 pts Block devices: 2 fd 3 ide0 7 loop 8 sd 9 md 11 sr charmed:/proc> cat dma 4: cascade charmed:/proc> cat filesystems ext2 nodev proc nodev devpts nodev autofs iso9660 vfat charmed:/proc> cat interrupts CPU0 0: 13243871 XT-PIC timer 1: 13460 XT-PIC keyboard 2: 0 XT-PIC cascade 3: 173 XT-PIC serial 4: 74261 XT-PIC serial 11: 95825 XT-PIC aic7xxx 12: 15 XT-PIC aha152x 13: 1 XT-PIC fpu 14: 156293 XT-PIC ide0 NMI: 0 IPI: 0 charmed:/proc> cat ioports 0000-001f : dma1 0020-003f : pic1 0040-005f : timer 0060-006f : keyboard 0080-008f : dma page reg 00a0-00bf : pic2 00c0-00df : dma2 00f0-00ff : fpu 01f0-01f7 : ide0 02f8-02ff : serial(set) 0340-035f : aha152x 03bc-03be : parport0 03c0-03df : vga+ 03e8-03ef : serial(set) 03f6-03f6 : ide0 03f8-03ff : serial(set) 6000-60be : aic7xxx 9000-9007 : ide0 9008-900f : ide1 charmed:/proc> cat kmsg cat: kmsg: Permission denied charmed:/proc> cat loadavg 0.15 0.09 0.06 1/84 26467 charmed:/proc> cat locks 1: FLOCK ADVISORY WRITE 0 09:00:184 0 2147483647 c23da8c0 00000000 c34525a0 00000000 00000000 2: POSIX ADVISORY WRITE 1968 08:15:24183 0 2147483647 c34525a0 c23da8c0 c34529c0 00000000 00000000 3: FLOCK ADVISORY WRITE 0 08:15:24179 0 2147483647 c34529c0 c34525a0 c3452900 00000000 c3452a20 3: -> FLOCK ADVISORY WRITE 0 08:15:24179 0 2147483647 c3452a20 00000000 00000000 00000000 c3452a80 3: -> FLOCK ADVISORY WRITE 0 08:15:24179 0 2147483647 c3452a80 00000000 00000000 00000000 c3452ae0 3: -> FLOCK ADVISORY WRITE 0 08:15:24179 0 2147483647 c3452ae0 00000000 00000000 00000000 c3452b40 3: -> FLOCK ADVISORY WRITE 0 08:15:24179 0 2147483647 c3452b40 00000000 00000000 00000000 c34529c0 4: FLOCK ADVISORY WRITE 0 08:15:24175 0 2147483647 c3452900 c34529c0 c34528a0 00000000 00000000 5: POSIX ADVISORY WRITE 1886 08:15:24174 0 2147483647 c34528a0 c3452900 c3452780 00000000 00000000 6: POSIX ADVISORY WRITE 1852 08:07:48972 0 2147483647 c3452780 c34528a0 c3452300 00000000 00000000 7: FLOCK ADVISORY WRITE 0 08:15:24129 0 2147483647 c3452300 c3452780 00000000 00000000 00000000 charmed:/proc> cat mdstat Personalities : [2 raid0] read_ahead 128 sectors md0 : active raid0 sda6 sdb8 273040 blocks 4k chunks md1 : active raid0 sda8 sdb7 256976 blocks 4k chunks md2 : inactive md3 : inactive charmed:/proc> cat meminfo total: used: free: shared: buffers: cached: Mem: 81297408 79224832 2072576 38150144 6299648 34738176 Swap: 341794816 29376512 312418304 MemTotal: 79392 kB MemFree: 2024 kB MemShared: 37256 kB Buffers: 6152 kB Cached: 33924 kB SwapTotal: 333784 kB SwapFree: 305096 kB charmed:/proc> cat misc 130 watchdog charmed:/proc> cat mounts /dev/root / ext2 rw 0 0 proc /proc proc rw 0 0 devpts /dev/pts devpts rw 0 0 /dev/hda3 /vol ext2 rw 0 0 /dev/md0 /tmp ext2 rw 0 0 /dev/hda9 /home ext2 rw 0 0 /dev/sdb5 /var ext2 rw 0 0 /dev/md1 /usr/lib ext2 rw 0 0 automount(pid1752) /a/local autofs rw 0 0 automount(pid1754) /a/vol autofs rw 0 0 automount(pid1756) /a/opt autofs rw 0 0 /dev/loop0 /a/vol/news ext2 rw 0 0 /dev/sda7 /a/opt/oracle ext2 rw 0 0 /dev/sdb6 /a/vol/postgres95 ext2 rw 0 0 /dev/loop2 /a/vol/www-cache ext2 rw 0 0 /dev/hda8 /a/vol/khoros ext2 rw 0 0 /dev/sdb1 /a/vol/userspace ext2 rw 0 0 charmed:/proc> cat partitions major minor #blocks name 8 0 1054688 sda 8 1 1 sda1 8 5 136489 sda5 8 6 136521 sda6 8 7 514048 sda7 8 8 128488 sda8 8 16 2113362 sdb 8 17 530113 sdb1 8 18 72292 sdb2 8 19 265072 sdb3 8 20 1 sdb4 8 21 265041 sdb5 8 22 514048 sdb6 8 23 128488 sdb7 8 24 136521 sdb8 9 0 273040 mda 9 1 256976 mdb 3 0 2063880 hda 3 1 133024 hda1 3 2 1 hda2 3 3 891072 hda3 3 5 512032 hda5 3 6 18112 hda6 3 7 66496 hda7 3 8 133024 hda8 3 9 308416 hda9 charmed:/proc> cat pci PCI devices found: Bus 0, device 0, function 0: Host bridge: Intel 82439HX Triton II (rev 1). Medium devsel. Master Capable. Latency=32. Bus 0, device 7, function 0: ISA bridge: Intel 82371SB PIIX3 ISA (rev 1). Medium devsel. Fast back-to-back capable. Master Capable. No bursts. Bus 0, device 7, function 1: IDE interface: Intel 82371SB PIIX3 IDE (rev 0). Medium devsel. Fast back-to-back capable. Master Capable. Latency=32. I/O at 0x9000 [0x9001]. Bus 0, device 13, function 0: SCSI storage controller: Adaptec AIC-7881U (rev 0). Medium devsel. Fast back-to-back capable. IRQ b. Master Capable. Latency=32. Min Gnt=8.Max Lat=8. I/O at 0x6000 [0x6001]. Non-prefetchable 32 bit memory at 0xe1000000 [0xe1000000]. Bus 0, device 15, function 0: VGA compatible controller: ATI Mach64 VT (rev 72). Medium devsel. Fast back-to-back capable. Non-prefetchable 32 bit memory at 0xe0000000 [0xe0000000]. I/O at 0x6100 [0x6101]. charmed:/proc> cat slabinfo slabinfo - version: 1.0 kmem_cache 28 42 tcp_tw_bucket 0 0 tcp_bind_bucket 49 127 tcp_open_request 0 0 skbuff_head_cache 4 84 sock 149 160 dquot 0 0 filp 1844 1848 signal_queue 0 0 buffer_head 6168 6762 mm_struct 82 93 vm_area_struct 1996 2205 dentry_cache 704 2666 files_cache 81 98 uid_cache 9 127 size-131072 0 0 size-65536 0 0 size-32768 0 0 size-16384 1 1 size-8192 2 4 size-4096 15 44 size-2048 88 96 size-1024 10 24 size-512 48 64 size-256 19 56 size-128 376 450 size-64 116 168 size-32 376 756 slab_cache 62 126 charmed:/proc> cat stat cpu 1012617 1967006 280733 9988669 cpu0 1012617 1967006 280733 9988669 disk 189696 57406 0 0 disk_rio 125676 32821 0 0 disk_wio 64020 24585 0 0 disk_rblk 270768 75002 0 0 disk_wblk 142716 56934 0 0 page 372773 301809 swap 4778 10521 intr 14834642 13249025 14279 0 173 74261 1244686 6 0 0 0 0 95841 15 1 156355 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ctxt 57180614 btime 910913553 processes 26480 charmed:/proc> cat swaps Filename Type Size Used Priority /dev/sdb2 partition 72288 9680 5 /dev/hda1 partition 130748 9524 5 /dev/sda5 partition 130748 9484 5 charmed:/proc> cat uptime 132497.22 0.00 charmed:/proc> cat version Linux version 2.1.127 (denty@charmed) (gcc version 2.7.2.3) #1 SMP Thu Nov 12 20:47:33 GMT 1998 -- Denty. http://www.charmed.demon.co.uk/ New Media, PA NewsCentre, LEEDS, UK. ``Meanwhile, atheists will smile and wait for the day when religious apocalyptic visions...are put to rest with a medical cure.'' :.˛mkabzwmb˛mbz_^nrzh&zvy杶ii