Date: Thu, 4 Oct 2007 23:08:04 +0400 From: "Artem Kuchin" <matrix@itlegion.ru> To: <freebsd-stable@freebsd.org> Subject: Re: Panic with RELENG_6_2 on DELL PE 4600 with PAE Message-ID: <004001c806b9$e55d42f0$0c00a8c0@Artem> References: <47039CB4.5040306@seclark.us> <4703C245.9000104@mac.com><4703C4FB.4030809@seclark.us> <4703C687.2010201@mac.com><4703D5B6.4070003@seclark.us> <fe0lhg$t21$1@sea.gmane.org><4704E87D.4020608@seclark.us> <b41c75520710040625ne39c96co39f07d4d166468d0@mail.gmail.com> <001701c80690$029c15a0$0c00a8c0@Artem> <470511CE.5080007@seclark.us>
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[-- Attachment #1 --] Stephen Clark wrote: > Artem Kuchin wrote: > >> Claus Guttesen wrote: >> >> >>>>>> Why would there be no space when I have 24GB of memory? >>>>>> >>>>>> >>>>> 1. Any process, including the kernel can only allocate up to 4 GB >>>>> of memory on a 32-bit system (since a 32-bit integer can only >>>>> hold that many values) >>>>> 2. The kernel is further constrained so the user programs can get >>>>> enough memory >>>>> 3. Kernel structures for tracking and using memory are also stored >>>>> in kernel memory. 24 GB of memory with PAE probably "eats up" a >>>>> lot of those. I think you'll need to increase kmem_size (see >>>>> http://wiki.freebsd.org/ZFSTuningGuide for an example - ignore >>>>> ZFS-specific things). >>>>> >>>>> >>>> It made no difference. Still the same error. >>>> >>>> Is anyone actually using PAE with FreeBSD 6.2? I have found >>>> practically no information using >>>> google. >>>> >>>> >> >> We are using it on very heavy loaded production web server. 8GB of >> ram, dual xeon with HT. FreebSD 6-STABLE. about 900 process running >> constantly in about 20 jails. No problems detected :) >> >> Planning to migrate to 7-CURRENT AMD64 within a month. >> > Hi Artem, > > Could you send me your kernel config file? I have tried the standard > PAE config file with > no luck. I'd be glad to do so, but when i send email to you i get <Stephen.Clark@seclark.us>: 64.202.166.12 does not like recipient. Remote host said: 553 Dynamic pool 84.21.226.46. <http://unblock.secureserver.net/?ip=84.21.226.*>; Giving up on 64.202.166.12. I have visited the link and made a request to unblock our smtp server but it hasn;t been done yet. So, i send it to stable list with attachments :) -- Artem [-- Attachment #2 --] include OMNI2 ident PAE-OMNI2 options PAE # Physical Address Extensions Kernel device acpi makeoptions NO_MODULES=yes [-- Attachment #3 --] machine i386 cpu I586_CPU cpu I686_CPU ident OMNI2 options SMP options QUOTA options SCHED_4BSD # 4BSD scheduler options INET # InterNETworking options INET6 # IPv6 communications protocols options FFS # Berkeley Fast Filesystem options SOFTUPDATES # Enable FFS soft updates support options UFS_ACL # Support for access control lists options UFS_DIRHASH # Improve performance on big directories #options MD_ROOT # MD is a potential root device #options NFSCLIENT # Network Filesystem Client #options NFSSERVER # Network Filesystem Server #options NFS_ROOT # NFS usable as /, requires NFSCLIENT options MSDOSFS # MSDOS Filesystem options NULLFS options CD9660 # ISO 9660 Filesystem options PROCFS # Process filesystem (requires PSEUDOFS) options PSEUDOFS # Pseudo-filesystem framework options GEOM_GPT # GUID Partition Tables. options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!] #options COMPAT_FREEBSD4 # Compatible with FreeBSD4 option COMPAT_FREEBSD5 #options SCSI_DELAY=15000 # Delay (in ms) before probing SCSI options KTRACE # ktrace(1) support options SYSVSHM # SYSV-style shared memory options SYSVMSG # SYSV-style message queues options SYSVSEM # SYSV-style semaphores options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions #options KBD_INSTALL_CDEV # install a CDEV entry in /dev device apic # I/O APIC # Bus support. Do not remove isa, even if you have no isa slots device isa device pci # Floppy drives device fdc # ATA and ATAPI devices device ata device atadisk # ATA disk drives device ataraid # ATA RAID drives device atapicd # ATAPI CDROM drives #device atapifd # ATAPI floppy drives #device atapist # ATAPI tape drives options ATA_STATIC_ID # Static device numbering # SCSI peripherals device scbus # SCSI bus (required for SCSI) device da # Direct Access (disks) device pass # Passthrough device (direct SCSI access) device twe # 3ware ATA RAID # atkbdc0 controls both the keyboard and the PS/2 mouse device atkbdc # AT keyboard controller device atkbd # AT keyboard device psm # PS/2 mouse device vga # VGA video card driver device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console device sc device agp # support several AGP chipsets # Floating point support - do not disable. device npx # Power management support (see NOTES for more options) #device apm # Add suspend/resume support for the i8254. #device pmtimer # Serial (COM) ports device sio # 8250, 16[45]50 based serial ports # Parallel port device ppc device ppbus # Parallel port bus (required) device lpt # Printer device ppi # Parallel port interface device #device vpo # Requires scbus and da device miibus # MII bus support device fxp # Intel EtherExpress PRO/100B (82557, 82558) device em device loop # Network loopback device mem # Memory and kernel memory devices device io # I/O device device random # Entropy device device ether # Ethernet support #device sl # Kernel SLIP #device ppp # Kernel PPP device tun # Packet tunnel. device pty # Pseudo-ttys (telnet etc) device md # Memory "disks" #device gif # IPv6 and IPv4 tunneling #device faith # IPv6-to-IPv4 relaying (translation) device bpf # Berkeley packet filter # USB support device uhci # UHCI PCI->USB interface device ohci # OHCI PCI->USB interface device usb # USB Bus (required) #device udbp # USB Double Bulk Pipe devices device ugen # Generic device uhid # "Human Interface Devices" device ulpt # Printer device umass # Disks/Mass storage - Requires scbus and da # FireWire support #device firewire # FireWire bus code #device sbp # SCSI over FireWire (Requires scbus and da) #device fwe # Ethernet over FireWire (non-standard!) options IPFIREWALL options IPFIREWALL_VERBOSE options IPFIREWALL_VERBOSE_LIMIT=10000 options IPFIREWALL_DEFAULT_TO_ACCEPT device snp device speaker #options DDB #options KDB #options BREAK_TO_DEBUGGER #options INVARIANT_SUPPORT #options INVARIANTS #options WITNESS #options WITNESS_KDB #options WITNESS_SKIPSPIN options ADAPTIVE_GIANT # Giant mutex is adaptive. options DEVICE_POLLING options HZ=1000help
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