Date: Thu, 27 May 2004 15:30:09 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Sergey Lyubka <devnull@uptsoft.com> Cc: freebsd-current@freebsd.org Subject: Re: crash when bpf is used heavily Message-ID: <20040527152948.R53810@carver.gumbysoft.com> In-Reply-To: <20040527172657.C17016@oasis.uptsoft.com> References: <20040527172657.C17016@oasis.uptsoft.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 27 May 2004, Sergey Lyubka wrote: > on latest -current, I did change the BPF_MAXBUFSIZE in sys/net/bpf.h to 16 Mb > Actual BPF buffer size is 4Mb: > > $ sysctl -a | grep bpf > debug.bpf_bufsize: 4194304 > debug.bpf_maxbufsize: 16777216 > > Now, I run number of bpf-aware processes, and this causes crash > with following kernel message: > > panic: kmem_malloc(4194304) too small: 271405056 total allocated > at line 335 in file ../../../vm/vm_kern.c > cpuid=0; > boot() called on cpu#0 For a machine with 3 GB RAM, this isn't unexpected. Try rebuilding your kernel and setting maxusers to 128. > > > the system is -current, HP proliant 2-xeon: > Copyright (c) 1992-2004 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD 5.2-CURRENT #1: Thu May 27 14:48:50 GMT 2004 > root@valenok:/usr/src/sys/i386/compile/VALENOK > Preloaded elf kernel "/boot/kernel/kernel" at 0xc086e000. > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2787.11-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C > MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Hyperthreading: 2 logical CPUs > real memory = 3221200896 (3071 MB) > avail memory = 3150893056 (3004 MB) > MPTable: <COMPAQ PROLIANT > > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 6 > ioapic0: Assuming intbase of 0 > ioapic1: Assuming intbase of 16 > ioapic2: Assuming intbase of 32 > ioapic3: Assuming intbase of 48 > ioapic0 <Version 1.1> irqs 0-15 on motherboard > ioapic1 <Version 1.1> irqs 16-31 on motherboard > ioapic2 <Version 1.1> irqs 32-47 on motherboard > ioapic3 <Version 1.1> irqs 48-63 on motherboard > > --skipped -- > > > kernel config is attached > -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040527152948.R53810>