Date: Wed, 20 Nov 2002 11:59:19 -0800 From: David Schultz <dschultz@uclink.Berkeley.EDU> To: Petri Helenius <pete@he.iki.fi> Cc: freebsd-questions@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: panic: kmem_map too small Message-ID: <20021120195919.GA679@HAL9000.homeunix.com> In-Reply-To: <3DDBDE2B.6050407@he.iki.fi> References: <0e3b01c28fc4$ff9a4ee0$862a40c1@PHE> <20021119152114.GA2228@HAL9000.homeunix.com> <3DDBDE2B.6050407@he.iki.fi>
next in thread | previous in thread | raw e-mail | index | archive | help
Thus spake Petri Helenius <pete@he.iki.fi>: > >>I seem to get kmem_map too small panics when using large buffers with > >>bpf. Is there a tunable I should be increasing? > >> > >> > > > >Yes, increase KVA_PAGES in your kernel config. > > > > > I put in KVA_PAGES=1024 > with following results on next boot: > > Fatal trap 12: page fault while in kernel mode Read LINT (or NOTES) carefully. You can't set KVA_PAGES to 1024, because then your kernel would take up the entire 4 GB virtual address space. Since the kernel must fit into 4 GB alongside every user process, that leaves you no room for programs. Try a more reasonable value like 512 (2 GB). To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021120195919.GA679>