Re: close(2) while accept(2) is blocked

Bakul Shah wrote this message on Sat, Mar 30, 2013 at 13:22 -0700: > On Sat, 30 Mar 2013 09:14:34 PDT John-Mark Gurney wrote: > > > > As someone else pointed out in this thread, if a userland program > > depends upon this behavior, it has a race condition in it

Re: close(2) while accept(2) is blocked

moving the race around, and letting people think that they have solved the problem when they haven't... I think I remeber another thread about this from a year or two ago, but I couldn't find it... If someone finds it, posting a link would be nice.. -- John-Mark Gurney

Re: looking for someone to fix humanize_number (test cases included)

hackers-requ...@freebsd.org wrote: > > > > From: John-Mark Gurney > > > > To: hack...@freebsd.org > > > > Subject: looking for someone to fix humanize_number (test cases > > > > included) > > > > > > > > I'm look

looking for someone to fix humanize_number (test cases included)

sys/types.h include I'll work to get the code into the tree once we get it in a good state. Please cc me as I'm not subscribed to -hackers. Thanks. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has

Re: bus_dmamem_alloc

Intel's VT IOMMU and I thought it was close to being committed, but I haven't been following the work... > If any of these ideas sound feasible, I'd be more than willing to help > research/implement/test them. -- John-Mark Gurney Voice: +1 415

Re: how to use iic(4)

ommand line iic program that I used to help debug my drivers.. The tool lets you start and then read/write from the device, and then stop the bus... I haven't committed it yet, because a few other developers want it under tools, and I don't like it there, as no one knows about most of

Re: strange KASSERT in _sleep()

you don't have a lock (such as Giant) held... By forcing a timeout, you guarantee that it will check the condition sometime in the future... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not

Re: A few questions...

Victor Loureiro Lima wrote this message on Wed, Jul 25, 2007 at 12:14 -0300: > 2007/7/24, John-Mark Gurney <[EMAIL PROTECTED]>: > >Victor Loureiro Lima wrote this message on Tue, Jul 24, 2007 at 16:35 > >-0300: > >> 2007/7/24, John-Mark Gurney <[EMAIL PROTECT

Re: A few questions...

Victor Loureiro Lima wrote this message on Tue, Jul 24, 2007 at 16:35 -0300: > 2007/7/24, John-Mark Gurney <[EMAIL PROTECTED]>: > >Daniel Molina Wegener wrote this message on Mon, Jul 23, 2007 at 20:52 > >-0400: > >> a) Is there any function or variable that tell

Re: A few questions...

gt;members against zero. #include uid == UID_ROOT > b) Can normal users look for system processes or kernel threads? Yes, ps does this... > c) Can root look for system processes or kernel threads? Yes, ps does this... -- John-Mark Gurney Voice: +1 41

Re: Audio driver template

e for suspend/resume, I would hope our pci layer would save the state, which it might not if you write directly to the config registers.) You should also use bus_get_dma_tag for getting the parent tag when creating your own tag w/ bus_dma_tag_create... Can't think of any others ri

Re: New USB stack and Zero copy.

, and the rest > I will bounce somewhere else. Why do you not want to let bus_dma do the bouncing for you? If it's to save a copy to another buffer, why don't you load the final buffer into bus_dma? -- John-Mark Gurney Vo

Re: Gigabit Ethernet w/Jumbo Frames

Erik Trulsson wrote this message on Wed, Jun 27, 2007 at 10:12 +0200: > On Tue, Jun 26, 2007 at 11:12:23PM -0700, John-Mark Gurney wrote: > > [EMAIL PROTECTED] wrote this message on Tue, Jun 26, 2007 at 17:33 -0700: > > > I'm having poor luck trying to use NFS over a

Re: Gigabit Ethernet w/Jumbo Frames

n that most people can't figure out to make jumbo frames work reliabily and depend upon people just using 1500 byte frames... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."

Re: kqueue implementation

Daniel Molina Wegener wrote this message on Mon, May 21, 2007 at 09:48 -0400: > On Monday 21 May 2007 03:57:58 John-Mark Gurney wrote: > > Daniel Molina Wegener wrote this message on Sun, May 20, 2007 > at 18:31 -0400: > > >I'm coding an application using the kqueue

Re: kqueue implementation

I use to handle these kind of events? I'm unsure what you mean by open and read events? Do you mean getting an event when another process opens are file? or? As for read, they work fine for sockets, as w/ select, files are always ready to read even though they may block to read from disk

Re: MIME-ifying sysctl types

Ivan Voras wrote this message on Mon, May 07, 2007 at 20:12 +0200: > John-Mark Gurney wrote: > > Ivan Voras wrote this message on Mon, May 07, 2007 at 18:39 +0200: > >> My proposal is to MIME-ify the Format fields, best presented in examples: > >> > >> "

Re: MIME-ifying sysctl types

orget to add the version of the field to the mime-type as these structures change over time.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-h

Re: msleep() on recursivly locked mutexes

lp capable programmers not make mistakes... There is always ugen if the driver developer doesn't want to deal w/ making their driver multithread safe... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has

Re: "Streaming" data from kernel to userland

> kqueue support to your kernel module and making ioctl/read/write's is very > efficient. I'm a long time windows developer that has used I/O Completion > Ports, and I'm real impressed with kqueue api. It was a little daunting > figuring out the kernel module side

Re: MFS_IMAGE with a DEBUG kernel

rror code 1 > > The following patch against version 1.98 of kern.post.mk fixes the problem: Thanks, committed the fix... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___

Re: taskqueue_drain

have to answer this... /me wishes he had machines w/ more pci slots so he could keep all his cards attached for testing. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." __

Re: Fwd: Removing Giant from a driver

> >the driver into FreeBSD... > > i suppose that will never happen: > - hauppauge firmware is needed Well, there was some work about getting licensing from Hauppauge to let FreeBSD distribute it... But the original author disappeared, and I haven't heard anything... I do have a

Re: Fwd: Removing Giant from a driver

er... > is there a howto somewhere? There are man pages on how to use the various locking primitives, but it is assumed that you have knowlege of concurrent programming... You can take a look at books on pthreads and other related matierals for info on using locks... If you figure

Re: Threading system calls (int 80h)

David Xu wrote this message on Tue, Oct 17, 2006 at 17:17 +0800: > work in the past. Also rfork() does not allow you to specify user stack, you > have to add some tricky code to make it safe before new > thread really can do real work, [...] That's why you use rfork_thread(3)... -

Re: bktr(4) risk?

Jonathan Chen wrote this message on Mon, Oct 09, 2006 at 19:39 -0400: > On Mon, Oct 09, 2006 at 04:26:50PM -0700, John-Mark Gurney wrote: > > Jonathan Chen wrote this message on Mon, Oct 09, 2006 at 17:37 -0400: > > > doesn't seem too useful a task for a video c

Re: bktr(4) risk?

e intricacies of DMA, so someone with the expertise or the hardware > should check my reasoning or test an exploit before panicing. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not.&quo

Re: Systems programming on FreeBSD

ontains comments describing them... Good luck... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing list http://lists.fre

Re: Issue with loading a module

nd any > like this? Usually this is due to depending upon symbols that another module exports, but not having a MODULE_DEPEND line to let one module see the other module's symbols... -- John-Mark Gurney Voice: +1 415 2

Re: global date via module howto

ules, and the i2c bus module automaticly gets brought in by either iic or bktr (as each depend upon the i2c bus)... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." _

Re: exception handling in kernel code

Stanislav Sedov wrote this message on Mon, Aug 14, 2006 at 23:12 +0600: > On Mon, 14 Aug 2006 11:15:22 -0700 > John-Mark Gurney <[EMAIL PROTECTED]> mentioned: > > > > You should make a MD API for reading these out (if one doesn't already > > exist) that handle

Re: exception handling in kernel code

lar for accessing PCI config registers that don't exist and cause a fault... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hack

Re: jkh weird problem (reading pci device memory)

ouldn't the above examples do exactly the same thing? No, read_multi reads from the same location every time.. This is for things like a FIFO where the value can change each time, you want bus_read_region_1... Read the bus_space(9) man page for more info about the differences between the two

Re: jkh weird problem (reading pci device memory)

John Baldwin wrote this message on Tue, Aug 08, 2006 at 13:42 -0400: > On Monday 07 August 2006 18:05, John-Mark Gurney wrote: > > John Baldwin wrote this message on Mon, Aug 07, 2006 at 15:27 -0400: > > > sc->cfg_table.signature = letoh32(bus_read_4(sc->

Re: jkh weird problem (reading pci device memory)

byte swapping to be done for you, there are the _stream versions... The are useful for transfering data like disk data that needs to maintain the same order... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, ha

Re: linux ioremap equivalent on freebsd

Niki Denev wrote this message on Mon, Aug 07, 2006 at 22:03 +0300: > On Monday 07 August 2006 21:34, John-Mark Gurney wrote: > > Because for the most part it is only suppose to be used by MD code... > > > > The correct way to get device's memory is to use bus_alloc_res

Re: linux ioremap equivalent on freebsd

iew the handbook on device driver writing: http://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/devicedrivers.html I did a presentation at BSDcan on writing devices drivers: http://people.freebsd.org/~jmg/drivers/ The handout is a cheat sheet of useful functions for writing a device driver... -- John

Re: [PATCH] adding two new options to 'cp'

over, and also saves trouble with > porting shell script code :) Helping people not be portable w/ other Unixes like Solaris is something we should not do... Can anyone name another major Unix besides Linux that has the -a option? -- John-Mark Gurney Voice: +1 415 2

Re: kqueue doesn't see if_tun

ces? No one has written a d_kqfilter entry for tun... so, until someone does, kqueue will not work on tun... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." __

Re: Improving FreeBSD's hardware compatibility

would write hardware driver for FreeBSD. I haven't seen this. The only case that I can think of is due to developers not having the hardware, or a need to use said hardware, so nothing happens... Do you have a list of hardware that has documntation available that needs device drivers to be written?

Re: FreeBSD MIDI support

ansfer (which requires writing a RISC program) and it works really well.. We are no longer in the age where we need the kernel to do everything for us... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, ha

Re: File Mirror Software

he case.. A number of years back, we used it to mirror 140GB of data between sites.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hack

Re: ????: Help:why bus resource shortage?

Gerald Heinig wrote this message on Fri, Jun 30, 2006 at 10:41 +0200: > On Fri, 2006-06-30 at 01:16 -0700, John-Mark Gurney wrote: > > This has now been fixed by making the built in driver return a negative > > value for the probe.. so your probe routine can return 0, and it will &g

Re: ????: Help:why bus resource shortage?

er physical address into kernel virtual address > in FreeBSD: That is what the bus_space api is for... The method you propose is a hack and not very useful for ensuring that your driver run on other platforms... > -- > ??: John-Mark Gurney [mailto:[EMAIL PROTECTED] &

Re: Help:why bus resource shortage?

... Are you sure the memory resource is in the first bar possition? -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.

Re: misc questions about the device&driver arch

emory space is accessed by bus_space_read_1 and so on > am i right sir? Yep... > On 5/24/06, John-Mark Gurney <[EMAIL PROTECTED]> wrote: > >william wallace wrote this message on Wed, May 24, 2006 at 15:48 +0800: > >> IN static device_method_t pci_methods[] = { &

Re: misc questions about the device&driver arch

lementation has been done > >recently, and that it should start getting wider circulation and review > >soon. That's not to say that more work and design can't be done in this > >area, but we should probably wait a bit and see what has been done > >already. --

Re: The 'ln -s' command

sts -bash-2.05b$ echo $? 1 -bash-2.05b$ ln -s z a -bash-2.05b$ echo $? 0 -bash-2.05b$ uname -a FreeBSD gate.funkthat.com 4.7-RELEASE FreeBSD 4.7-RELEASE #5: Tue Sep 9 02:05:39 PDT 2003 [EMAIL PROTECTED]:/usr/src/sys/compile/gate i386 Looks like the EEXIST is returning non-zero... -- John-Ma

Re: misc questions about the device&driver arch

correct message cookie > and number of messages. Why not create a wrapper, and start at the highest requested, and slowly work your way down as the requests are rejected.. since the number of messages must be a power of two, it isn't than many rounds.. -- John-Mark Gurney

Re: misc questions about the device&driver arch

sh <[EMAIL PROTECTED]> wrote: > >> > >> > Busses create devices to represent hardware in the system. The bus > >> > then causes these devices to be probed and attached. This latter > >> > usage is for those cases. As

Re: help:How to map a physical address into a kernel address?

bus_space macros to access the table.. you could use bus_space_write_region to copy the table from kernel memory to your device, or just write the updated values... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done,

Re: programming question: u_char vs. uint32_t

ress */ > > Why was u_char used instead of uint32_t? Aren't pointers always 32 bits > on a 32 bit machine? You're confusing the type of the pointer w/ a pointer... These are correct, please read a basic intro to pointers in C... -- John-Mark Gurney

Re: Kernel Fatal Trap 12

ability of the heat sink to work... /me just had a computer randomly crash due to this. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd

Re: kqueue oddity

kev->data = 0; > > kn->kn_kevent = *kev; > > + kn->kn_kevent.flags &= ~EV_ADD; > > kn->kn_status = KN_INFLUX|KN_DETACHED; > > > > error = knote_attach(kn, kq); > &g

Re: cloning a FreeBSD HDD

> dst disk have enough space to store all data currently in use in the > source disk), and better (customizable new partitions) results when > copying to a larger second disk, when compared to dd(1). Though if you are using extended attributes, the dump/restore pair won't transfer them... :(

Re: newbus questions

)? Most of the drivers have code in the default, that will reapply the function to the parent, so you don't have to do the device_get_parent in your driver.. They also implement their own lower case wrappers too... This very well could be due to the fact that you're including your interface t

Re: newbus questions

have bugs, etc... This also means that we don't have to have code in the kernel to handle detection of the different tuner types, and it'll be easier to make fixes to the tuner drivers.. -- John-Mark Gurney

Re: Solaris libumem port on the works

software exchange. (why sun decided that the .txt version of the license should have a column length >80 is beyond me) That's why I started work on rewriting a allocated based upon the paper so that it'd have a BSD license... I haven't worked on it much, and now that jemalloc

Re: IEEE1284 Device ID string for USB Printers

dget the IEEE1284 device ID string to > identify > > the USB printer. Without that ioctl, HPLIP can't be ported over. > > > > Thanks, > > Naram Qashat > > > > (Note: I'm not subscribed to the mailing list, so if anyone replies to > this, > > plea

Re: unversal watchdog

se ttys(5) for this... You will get an extra argument or two... but a wrapper script can handle that for you... Though you need to have the daemon run in foreground mode, so that when it dies init knows it did, and restarts it... -- John-Mark Gurney Voice: +

Re: Accessing address space of a process through kld!!

I do it? You look up the process with pfind(9), and then you can use uio(9) to transfer data into kernel space... Don't forget to PROC_UNLOCK the struct once you are done referencing it. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will

Re: Bad block -> file mapping

the complications of making it support UFS2, I abandoned it.. With a bit of work, ffsrecov.py can be taught this and handle both ufs1 and ufs2... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will

Re: different behaviour on fbsd and linux

ill give you gunzip behavior because the gzip binary looks at argv[0] and changes it's behavior based upon what it finds.. look at crunchgen for the ability to combine different programs into one binary... -- John-Mark Gurney Voice: +1 415 225 5579 "

Re: Freeing mmapped memory

Raaf wrote this message on Tue, Feb 07, 2006 at 01:42 +0100: > John-Mark Gurney wrote: > > Raaf wrote this message on Mon, Feb 06, 2006 at 22:54 +0100: > >> Hi, i am working on a usb driver that allocates some memory when > >> the device is opened using malloc. > >

Re: Freeing mmapped memory

ed until all the mmap's that are backed by the device are unmapped.. it shouldn't be hard to test... the mapping should hold a reference to the device until it's munmapped.. -- John-Mark Gurney Voice: +1 415 225 5579 "All tha

Re: Van Jacobson's network stack restructure

llocated userland buffers will.. This also has interesting possibilities for smarter ethernet cards where the card can dump it directly into the userland buffer w/o having to do the special page flipping thing we can do now... definately some interesting ideas... -- John-Mark Gurney

Re: How to pin a userland page in memory(avoid copyin and copyout)

huncks, I doubt you'll see much of a difference... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing lis

Re: increasing dd disk to disk transfer rate

s on a readable disk... Recovery can be possible with ffsrecov.py: http://people.freebsd.org/~jmg/ffsrecov/ -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." __

Re: Number of kevents registered in kqueue

descriptor.. Neither pipe nor socketpair documents that close can be called on them... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebs

Re: kqueue/kevent and directories (Was: Equivalent of POLLERR for kqueue.)

es)... There is also jlemon's paper on kqueue: http://people.freebsd.org/~jlemon/papers/kqueue.pdf -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebs

Re: Object reusement implementation in 6.0release: HELP Wanted!!!

t my cleaning code in order to > fulfill the reusement of data blocks? If you are talking about in kernel land, take a look at zone(9).. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done

Re: rm: Directory not empty ..(had tried chflag ...)

will end up with troubles like you have... you should make sure to pass -B to fsck if you want to run fsck while the file system is mounted... Though I've never done that manually (I let the rc scripts handle that for me)... -- John-Mark Gurney Voice: +1 415 225 5

Re: Kevent(2) doesn't notify about EVFILT_WRITE filter event

have definitely no idea where the problem can be. > > This happens on FreeBSD 4.11-STABLE (cvsup'ed Nov 20 2005), SMP kernel, > P4 with HT. If you could post the parts of your code around kevent calls, I could better help you... -- John-Mark Gurney V

Re: Bash scripting -- Usage of arrays

use /bin/bash doesn't exist on the system, as bash is installed in /usr/local/bin/bash... Please try with: bash array.sh instead, and see if that works.. > On 11/30/05, John-Mark Gurney <[EMAIL PROTECTED]> wrote: > > > > Jayesh Jayan wrote this message on Wed, Nov 30, 2005 a

Re: Bash scripting -- Usage of arrays

is usually on Linux), and our sh doesn't have that feature... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@

Re: to list all the devices in freebsd &definition analyse

a bus. > no .device_get_parent of a pci bus we get pcib > > > we who r about to die,salute u! so?? In FreeBSD land, a device_t is a bus if it has one or more children.. To put it more simply, all busses are devices... As for your example of device_get_parent.. you don't realize t

Re: to list all the devices in freebsd &definition analyse

show us a word?:) read device(9).. and devclass(9).. I'm not quite sure what you are asking here, but take a look at a bunch of the other drivers... My zoran driver (http://people.freebsd.org/~jmg/zoran.html) is both a driver, and a bus for i2c... -- John-Mark Gurney

Re: UFS2 max limits?

your filesystem with -f 65536 -b 65536... If you look at my equation that I posted earlier, if you have a blocksize of 16384, you end up with ~128TB as the max file size... K M G T (16384/8)^3*16384 / 1024 / 1024 / 1024 / 1024 == 128 -- John-Mark Gurney

Re: Sharing the same VM address space between Kernel and UserSpace

ll take some kernel vm magic, and also not be very portable across platforms, since each platform may/can have a different code address (though we try to keep them the same)... -- John-Mark Gurney Voice: +1 415 225 5579 &

Re: UFS2 max limits?

John-Mark Gurney wrote this message on Sun, Nov 13, 2005 at 10:17 -0800: > as for the file size, The approximate max can be calculated by > (blocksize / sizeof(ufs2_daddr_t)) ^ 3 * blocksize > the real max would add in addition: > (blocksize / sizeof(ufs2_daddr_t)) ^ 2 * blocksize +

Re: UFS2 max limits?

... UFS1 supports larger file sizes (not file system sizes) due to the fact that the ufs_daddr_t is smaller (32bits), means it can get more out of the indirect blocks than UFS2 can... UFS1 can have files of 2^58 compared to UFS2's 2^55... -- John-Mark Gurney Voi

Re: GEOM for multipath? How?

he recent mailing list messages talking about these issues... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing list

Re: FreeBSD 5/6/7 kernel emulator for NetBSD 2.x

you plug in a USB to serial adapter, MacOSX includes the serial number in the device name: /dev/tty.usbserial-FTC8P121, which is convient... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." __

Re: Oddity in libufs.

Frank Mayhar wrote this message on Mon, Sep 26, 2005 at 16:11 -0700: > On Sun, 2005-09-25 at 21:23 -0700, John-Mark Gurney wrote: > > Frank Mayhar wrote this message on Sat, Sep 24, 2005 at 20:26 -0700: > > > I've been using libufs as the I/O mechanism for my (heavy) modific

Re: Oddity in libufs.

put up a preliminary copy up at: http://people.freebsd.org/~jmg/ffsrecov/ -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-h

Re: need hints to recover lost FreeBSD partition entries in MBR ...

.. Then you can adjust your partition table to be either at the start of the x'th filesystem, or 16 sectors before that... Hope this helps.. Though it might be easier to search for the disklabel magic block directly... It wouldn't be too hard to modify the -f to search for a disklabel magic

Re: ntpd and cmos clock update

that ntpd did over the previous reboot is lost... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing list http:

Re: Kernel code of reseting/ignoring tcp SYN packets

ind. The file that does the sending of SYN packets is sys/netinet/tcp_output.c in the function tcp_output... but I'd highly recommend you look at ipfw or divert sockets... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I

Re: [patch] rc.d cleanup

ng while -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/

Re: How to reset root passwd FreeBSdD4.7

Mike Meyer wrote this message on Thu, Jul 14, 2005 at 09:22 -0400: > > passwd root > > Except you have to know the root password for that to work. root is never asked what the old password is... -- John-Mark Gurney Voice: +1 415 225 5579 "A

Re: hot path optimizations in uma_zalloc() & uma_zfree()

rland implementation of this done. Since someone else has done kernel, I'll solely target userland for the code now. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___

Re: FreeBSD Memory Management questions ?

ependant way of accessing user's memory (for the current running process)... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@fre

Re: Possible instruction pipelining problem between HT's on the same die ?

es at all. > They all say that they do not protect against speculative reads. > Bus-locked instructions don't seem to avoid speculative reads either. have you put a SFENCE between write A and write B? You never tell us where you've tried to put the various fence instructions.

Re: a error about the kern_sendit

lso useful... Try replacing that last zero with UIO_SYSSPACE.. > st = keta_kern_sendit(td, control_so,&msg,0,0); and possibly here... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."

Re: problems with new the "contigmalloc" routine

s, you should be using your own lock that's in sc for this instead of using Giant... Remeber that you can usually do some of the work before obtaining the lock, and then swapping a few variables around... In fact, it's usually better to do this since

Re: Porting on FreeBSD 53

ure you use the correct types when handling them... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not." ___ freebsd-hackers@freebsd.org mailing list htt

Re: req: New feature to rm? Remove file by the inode number

hat: find [...] -print0 | xargs -0 rm otherwise whitespace characters can cause problems... of course find does have the -delete option which makes such mangling unnecessary.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, Al

Re: So, who makes this one run FreeBSD? ;-)

Bernd Walter wrote this message on Fri, Apr 01, 2005 at 00:54 +0200: > On Thu, Mar 31, 2005 at 02:33:48PM -0800, John-Mark Gurney wrote: > > Bernd Walter wrote this message on Thu, Mar 31, 2005 at 23:06 +0200: > > > And the 4526 doesn't need regulated power plu

Re: So, who makes this one run FreeBSD? ;-)

Bernd Walter wrote this message on Thu, Mar 31, 2005 at 23:06 +0200: > On Thu, Mar 31, 2005 at 11:12:05AM -0800, John-Mark Gurney wrote: > > Bernd Walter wrote this message on Thu, Mar 31, 2005 at 12:36 +0200: > > > But considered the small price distance to the smallest Soekris

Re: So, who makes this one run FreeBSD? ;-)

#x27;s smaller than a Soekris, and is slightly larger than the PC-104 form factor.. Right now I have it netbooting, but I need to figure out why I have some ethernet issues... The code is in p4, though if people are really interested, I can generate a patch... -- Jo

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