Date: Tue, 23 Dec 2008 12:04:49 -0600 From: "Alan Cox" <alan.l.cox@gmail.com> To: "Richard Todd" <rmtodd@ichotolot.servalan.com> Cc: freebsd-current@freebsd.org, rnoland@freebsd.org Subject: Re: Getting 'vm_thread_new: kstack allocation failed' errors after latest drm updates. Message-ID: <ca3526250812231004r49084460q56799f1f0344bcb1@mail.gmail.com> In-Reply-To: <20081223011032.GA3228@ichotolot.servalan.com> References: <x7wsdsk3nz.fsf@ichotolot.servalan.com> <ca3526250812221327y26339f12pbdc03704262c88a7@mail.gmail.com> <20081223011032.GA3228@ichotolot.servalan.com>
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Roughly speaking, vm.kvm_* pertain to the kernel's address space and vm.kmem_* pertain to the kernel's heap within its address space. Your settings of vm.kmem_* have made the heap so large that there is little or no free space left in the address space for other things. These other things, e.g., the buffer cache, are non-trivial in size. So, the short answer is that you need to reduce vm.kmem_size. Alan
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