| Commit message (Collapse) | Author | Age | Files | Lines |
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Improve i386 #UD low-level kdtrace hook.
Approved by: re (marius)
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Add makefile to build geom_map kld. Document some GEOM_* options
in NOTES and geom(4).
PR: 197766
Approved by: re (kib)
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322299
hyperv/hn: Implement transparent mode network VF.
How network VF works with hn(4) on Hyper-V in transparent mode:
- Each network VF has a cooresponding hn(4).
- The network VF and the it's cooresponding hn(4) have the same hardware
address.
- Once the network VF is attached, the cooresponding hn(4) waits several
seconds to make sure that the network VF attach routing completes, then:
o Set the intersection of the network VF's if_capabilities and the
cooresponding hn(4)'s if_capabilities to the cooresponding hn(4)'s
if_capabilities. And adjust the cooresponding hn(4) if_capable and
if_hwassist accordingly. (*)
o Make sure that the cooresponding hn(4)'s TSO parameters meet the
constraints posed by both the network VF and the cooresponding hn(4).
(*)
o The network VF's if_input is overridden. The overriding if_input
changes the input packet's rcvif to the cooreponding hn(4). The
network layers are tricked into thinking that all packets are
neceived by the cooresponding hn(4).
o If the cooresponding hn(4) was brought up, bring up the network VF.
The transmission dispatched to the cooresponding hn(4) are
redispatched to the network VF.
o Bringing down the cooresponding hn(4) also brings down the network
VF.
o All IOCTLs issued to the cooresponding hn(4) are pass-through'ed to
the network VF; the cooresponding hn(4) changes its internal state
if necessary.
o The media status of the cooresponding hn(4) solely relies on the
network VF.
o If there are multicast filters on the cooresponding hn(4), allmulti
will be enabled on the network VF. (**)
- Once the network VF is detached. Undo all damages did to the
cooresponding hn(4) in the above item.
NOTE:
No operation should be issued directly to the network VF, if the
network VF transparent mode is enabled. The network VF transparent mode
can be enabled by setting tunable hw.hn.vf_transparent to 1. The network
VF transparent mode is _not_ enabled by default, as of this commit.
The benefit of the network VF transparent mode is that the network VF
attachment and detachment are transparent to all network layers; e.g. live
migration detaches and reattaches the network VF.
The major drawbacks of the network VF transparent mode:
- The netmap(4) support is lost, even if the VF supports it.
- ALTQ does not work, since if_start method cannot be properly supported.
(*)
These decisions were made so that things will not be messed up too much
during the transition period.
(**)
This does _not_ need to go through the fancy multicast filter management
stuffs like what vlan(4) has, at least currently:
- As of this write, multicast does not work in Azure.
- As of this write, multicast packets go through the cooresponding hn(4).
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11803
322483
hyperv/hn: Update VF's ibytes properly under transparent VF mode.
While, I'm here add comment about why updating VF's imcast stat is
not necessary.
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11948
322485
hyperv/hn: Fix/enhance receiving path when VF is activated.
- Update hn(4)'s stats properly for non-transparent mode VF.
- Allow BPF tapping to hn(4) for non-transparent mode VF.
- Don't setup mbuf hash, if 'options RSS' is set.
In Azure, when VF is activated, TCP SYN and SYN|ACK go through hn(4)
while the rest of segments and ACKs belonging to the same TCP 4-tuple
go through the VF. So don't setup mbuf hash, if a VF is activated
and 'options RSS' is not enabled. hn(4) and the VF may use neither
the same RSS hash key nor the same RSS hash function, so the hash
value for packets belonging to the same flow could be different!
- Disable LRO.
hn(4) will only receive broadcast packets, multicast packets, TCP
SYN and SYN|ACK (in Azure), LRO is useless for these packet types.
For non-transparent, we definitely _cannot_ enable LRO at all, since
the LRO flush will use hn(4) as the receiving interface; i.e.
hn_ifp->if_input(hn_ifp, m).
While I'm here, remove unapplied comment and minor style change.
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11978
322486
hyperv/hn: Minor cleanup
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11979
322487
hyperv/hn: Re-set datapath after synthetic parts reattached.
Do this even for non-transparent mode VF. Better safe than sorry.
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11981
Approved by: re (delphij)
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dvd1.iso to use the quarterly set, i. e. 2017Q3, during the 10.4-BETA
phase.
Approved by: re (implicit)
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Plug memory leak in arge_encap().
Reported by: Ilja Van Sprundel <ivansprundel ioactive.com>
Submitted by: Domagoj Stolfa <domagoj.stolfa gmail.com>
Reviewed by: adrian
Approved by: re (kib)
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r278861, r280283, r280284, r280294, r280452, r280558, r280571, r281863,
r282049, r282357, r282440, r282441, r282358, r282359, r283550, r283918,
r290171, r290667, r290381, r290533, r290666, r292483, r295659, r297545,
r298305, r298383, r298428, r306489, r306557, r307067, r307068, r307087,
r307088, r307089, r307091, r307092, r307093, r307098, r307115, r307154,
r307240, r307241, r315967, r316476
Unbreak BCM2835/RPI-B support by bringing it in line with stable/11 and
head:
- Optimise reading of pending interrupt registers.
- Fix a bug where some DTS layouts could cause the premature ending of the
search (i.e. without returning any result) and you would end up with a
random MAC address.
- Reduce the diff between head and arm_intrng with the bcm2835 interrupt
controller.
- Allow the retrieving of the reserved pins state.
- Add support to the bcm2835 mailbox driver to work before interrupts are
enabled. This will be needed to enable the power on devices early on in the
boot process.
- Add support for enabling the USB on the Raspberry Pi boards when it hasn't
been done by U-Boot. This allows the USB to work when we load the kernel
directly.
- Call config_intrhook_disestablish on failure of the bcm2835 fb and fbd intr
hooks. With this we can get through the boot even if these functions fail.
- Add the structures needed to get/set the power state. These can be used
when, for example, we boot without U-Boot and wish to enable USB, or to
suspend an unneeded device.
- Add a mask to match only the relative base address of BSC controllers.
- Move the code to set the device power to the bcm2835 mailbox driver so it
can be reused by other drivers.
- Add the SOC_BCM2835 and SOC_BCM2836 options for the arm kernel and add the
former to std.bcm2835.
- Add a helper function to read clock frequencies from videocore and use this
to get the default frequency of the sdhci device.
- Add partial support for the Raspberry Pi 2.
- Remove a debug #error from the bcm2835 sdhci driver.
- Fetch the SDHCI frequency from videocore (our prefered source) and only if
it fails, fetch the clock-frequency from DTB. If both methods fail, use the
hardcoded default.
- Pass the supplied buffer length instead of a fixed size.
- Add the routines to query and setup the framebuffer state using the
BCM2835_MBOX_CHAN_PROP channel. The old channel (BCM2835_MBOX_CHAN_FB)
seems deprecated on recent firmware versions and is causing a freeze on
RPi 2.
- Fix DMA on RPi 2. BCM2836 has a different base address for peripherals.
- Enable DMA for sdhci on RPi 2 (BCM2836).
- Add a missing wakeup when releasing ownership of the SPI hardware.
- Fix framebuffer compatibility with new RPi firmware.
- Refactor bcm2835_cpufreq to use bcm2835_mbox_property API.
- Fix the sc(4) framebuffer driver on RPi 2.
- Fix the vt(4) framebuffer driver on RPi 2.
- Remove unused mutex and softc variables.
- Refactor mailbox property API to make it usable for /dev/vcio driver.
- Replace semaphore-base locking with sleep/wait synchronization.
- Fix infinite loop if response from VideoCore never received.
- Set have_message in interrupt to handle "response before READ" case.
- Serialize access to property channel when using bcm2835_mbox_property.
- Force framebuffer virtual viewport to be the same as physical.
- Use proper type of tag in bcm2835_mbox_fb_init.
- bcm2835_cpufreq: Only attach driver if we correcly match on the machine
compatible string.
- Add dev.fb.X.resync sysctl to resync ARM framebuffer with VideoCore.
- Do not use DMA channels used by GPU.
- Define local-intc for BCM2836 platform (RPI2) and make BCM2835 intc
a child of it.
- Fix build for Pi kernels with syscons enabled.
- Use VM_MEMATTR_WRITE_COMBINING memattr for mmap(2) on framebuffer.
- Make intc driver compatible with upstream DTS.
- Make Rapsberry Pi watchdog driver compatible with upstream DTS.
- Make sure intc is attached before interrupt consumers.
- Make framebuffer driver compatible with upstream DT.
- Add one more heuristic to determine MAC address of the SMSC device.
- Add compatibility strings from upstream DT.
- Fix spelling mistake, BCM2835_PASWORD -> BCM2835_PASSWORD.
Approved by: re (kib)
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and WANDBOARD [2] images to fix a boot issue.
This is a direct commit to stable/10, as the change is not needed
for head and stable/11.
Approved by: re (marius)
Help from: manu [1], ian [2]
Tested by: gjb [1], ian [2]
Sponsored by: The FreeBSD Foundation
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------------------------------------------------------------------------
r321502 | scottl | 2017-07-25 19:48:13 -0600 (Tue, 25 Jul 2017) | 2 lines
Quiet a message that sounds far more dire than it really is.
------------------------------------------------------------------------
r321714 | scottl | 2017-07-30 00:53:58 -0600 (Sun, 30 Jul 2017) | 13 lines
Split the interrupt setup code into two parts: allocation and configuration.
Do the allocation before requesting the IOCFacts message. This triggers
the LSI firmware to recognize the multiqueue should be enabled if available.
Multiqueue isn't used by the driver yet, but this also fixes a problem with
the cached IOCFacts not matching latter checks, leading to potential problems
with error recovery.
As a side-effect, fetch the driver tunables as early as possible.
Reviewed by: slm
Obtained from: Netflix
Differential Revision: D9243
------------------------------------------------------------------------
r321733 | scottl | 2017-07-30 16:34:24 -0600 (Sun, 30 Jul 2017) | 5 lines
Change from using underbar function names to normal function names for
the informational print functions. Collapse the debug API a bit to be
more generic and not require as much code duplication. While here, fix
a bug in MPS that was already fixed in MPR.
------------------------------------------------------------------------
r321737 | scottl | 2017-07-30 18:05:49 -0600 (Sun, 30 Jul 2017) | 3 lines
Don't re-parse PCI IDs in order to set card-specific flags, use
the flags field in the PCIID table.
------------------------------------------------------------------------
r321799 | scottl | 2017-07-31 10:55:56 -0600 (Mon, 31 Jul 2017) | 4 lines
Fix a logic bug in the split PCI interrupt code that slipped through
Reported by: Harry Schmalzbauer
------------------------------------------------------------------------
r322364 | ken | 2017-08-10 08:59:17 -0600 (Thu, 10 Aug 2017) | 39 lines
Changes to make mps(4) and mpr(4) handle reinit with reallocation.
When the mps(4) and mpr(4) drivers need to reinitialize the
firmware, they sometimes need to reallocate all of the memory
allocated by the driver. The reallocation happens whenever the IOC
Facts change. That should only happen after a firmware upgrade.
If the reinitialization happens as a result of a timed out command
sent to the card, the command that timed out and triggered the
reinit may have been freed if iocfacts_allocate() reallocated all
memory. If the caller attempts to access the command after that,
the kernel will panic because the caller will be dereferencing
freed memory.
The solution is to set a flag in the softc when we reallocate,
and avoid dereferencing the command strucure if we've reallocated.
The changes are largely the same in both drivers, since mpr(4) is a
derivative of mps(4).
o In iocfacts_allocate(), if the IOC Facts have changed and we
need to reallocate, set the REALLOCATED flag in the softc.
o Change wait_command() to take a struct mps_command ** instead of
a struct mps_command *. This allows us to NULL out the caller's
command pointer if we have to reinit the controller and the data
structures get reallocated. (The REALLOCATED flag will be set
in the softc if that has happened.)
o In every place that calls wait_command(), make sure we handle
the case where the command is NULL after the call.
o The mpr(4) driver has mpr_request_polled() which can also
reinitialize the card. Also check for reallocation there.
Reviewed by: scottl, slm
Sponsored by: Spectra Logic
------------------------------------------------------------------------
Approved by: re (marius)
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Typo, the '-6' option selects inet6.
Approved by: re (delphij)
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Approved by: re (implicit)
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Remove confusion in the line explaining syntax of the msr read.
Specify words order in the display.
Approved by: re (marius)
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Reported by: Li-Wen Hsu
Fix by: kib
Approved by: re (delphij)
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Fix logic error in the the assert, causing the condition to be always true.
PR: 217741
Approved by: re (gjb)
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Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation
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Count drop events due to lack of PCI bandwidth as queue drops and not as
input errors in the mlx5en(4) driver. This improves the sysadmin view of
physical port errors.
Approved by: re (kib)
Submitted by: gallatin@
Sponsored by: Mellanox Technologies
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Make sure the received IP header gets 32-bit aligned for short packets
in the mlx5en(4) driver.
Approved by: re (kib)
Sponsored by: Mellanox Technologies
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Remove dead target introduced in r178828.
Approved by: re (marius)
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Fix for mlx4en(4) to properly call m_defrag().
The m_defrag() function can only defrag mbuf chains which have a valid
mbuf packet header. In r291699 when the mlx4en(4) driver was converted
into using BUSDMA(9), the call to m_defrag() was moved after the part
of the transmit routine which strips the header from the mbuf chain.
This effectivly disabled the mbuf defrag mechanism and such packets
simply got dropped.
This patch removes the stripping of mbufs from a chain and loads all
mbufs using busdma. If busdma finds there are no segments, unload
the DMA map and free the mbuf right away, because that means all
data in the mbuf has been inlined in the TX ring. Else proceed
as usual.
Add a per-ring rounter for the number of defrag attempts and
make sure the oversized_packets counter gets zeroed while at it.
The counters are per-ring to avoid excessive cache misses in the
TX path.
Approved by: re (kib)
Submitted by: mjoras@
Differential Revision: https://reviews.freebsd.org/D11683
Sponsored by: Mellanox Technologies
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Split identify_cpu() into two functions for amd64 as we do for i386. This
fixes a regression introduced in r322205.
Approved by: re (marius)
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Bug 198500 reports bad sysctl values for gjournal cache limit.
PR: 198500
Submitted by: Dr. Andreas Longwitz <longwitz@incore.de>
Reported by: Eugene Grosbein
Discussed with: kib
Approved by: re (marius)
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Print maximum MTU when trying to set invalid MTU in the mlx4en(4) driver.
Useful for debugging.
Approved by: re (marius, gjb)
Submitted by: Sepherosa Ziehau <sephe@dragonflybsd.org>
Sponsored by: Mellanox Technologies
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Add support for RX and TX statistics when the mlx4en(4) PCI device
is in VF or SRIOV mode typically in a virtual machine environment.
Approved by: re (kib)
Submitted by: Sepherosa Ziehau <sephe@dragonflybsd.org>
Sponsored by: Mellanox Technologies
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Add support for constant pointer constructs to READ_ONCE() in the
LinuxKPI. When the type of the argument is constant the temporary
variable cannot be assigned after the barrier. Instead assign the
temporary variable by initialization.
Approved by: re (kib)
Sponsored by: Mellanox Technologies
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rfcomm_pppd.8: fix a typo (SPD -> SDP).
Approved by: re (marius)
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Represent "a syncache overflow hasn't happend yet" by using
-(SYNCOOKIE_LIFETIME + 1) instead of INT64_MIN, since it is
good enough and works when time_t is int32 or int64.
Approved by: re (kib)
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Fix off by one in calculation of the number of buckets for the pc
addresses.
Approved by: re (marius)
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- If available, use TRIM instead of ERASE for implementing BIO_DELETE.
This also involves adding a quirk table as TRIM is broken for some
Kingston eMMC devices, though. Compared to ERASE (declared "legacy"
in the eMMC specification v5.1), TRIM has the advantage of operating
on write sectors rather than on erase sectors, which typically are
of a much larger size. Thus, employing TRIM, we don't need to fiddle
with coalescing BIO_DELETE requests that are also of (write) sector
units into erase sectors, which might not even add up in all cases.
- For some SanDisk iNAND devices, the CMD38 argument, e. g. ERASE,
TRIM etc., has to be specified via EXT_CSD[113], which now is also
handled via a quirk.
- My initial understanding was that for eMMC partitions, the granularity
should be used as erase sector size, e. g. 128 KB for boot partitions.
However, rereading the relevant parts of the eMMC specification v5.1,
this isn't actually correct. So drop the code which used partition
granularities for delmaxsize and stripesize. For the most part, this
change is a NOP, though, because a) for ERASE, mmcsd_delete() used
the erase sector size unconditionally for all partitions anyway and
b) g_disk_limit() doesn't actually take the stripesize into account.
- Take some more advantage of mmcsd_errmsg() in mmcsd(4) for making
error codes human readable.
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- Since r301131 (MFCed to stable/10 in r321895), /etc/localtime is also
installed when selecting UTC in interactive configurations. Thus, the
code added in r220172 which treats a NULL zone file name as UTC and
removes /etc/localtime in that case can go again.
- Consistently refer to "could not delete" (as chosen by the oldest such
code in here) when unlink(2) fails instead of a to mixture of "delete"
and "unlink" in error messages.
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------------------------------------------------------------------------
r320991 | ken | 2017-07-14 10:45:46 -0600 (Fri, 14 Jul 2017) | 17 lines
Add IBM TS1155 density codes to libmt and the mt(1) man page.
These are taken directly from the density report from a TS1155
tape drive. (Using mt getdensity)
lib/libmt/mtlib.c:
Add 3592B5 encrypted/unencrypted density codes, and bpmm/bpi
values. The bpmm/bpi values are the same as TS1150, but
there are 50% more tracks.
usr.bin/mt/mt.1:
Add 3592B5 encrypted/unencrypted density codes, bpmm/bpi
values and number of tracks. Bump the man page date.
Sponsored by: Spectra Logic
------------------------------------------------------------------------
r322016 | ken | 2017-08-03 09:04:54 -0600 (Thu, 03 Aug 2017) | 6 lines
Oracle T10000 tape drives use PRML encoding.
Source: Oracle T10000 SCSI reference guide.
Sponsored by: Spectra Logic
------------------------------------------------------------------------
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Skip passwords longer than 1k in length so clients can't
easily DoS sshd by sending very long passwords, causing it to spend CPU
hashing them. feedback djm@, ok markus@.
Brought to our attention by tomas.kuthan at oracle.com, shilei-c at
360.cn and coredump at autistici.org
Security: CVE-2016-6515
Security: FreeBSD-SA-17:06.openssh
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Syncoockies can be used in combination with the syncache. If the cache
overflows, syncookies are used.
This patch restricts the usage of syncookies in this case: accept
syncookies only if there was an overflow of the syncache recently.
This mitigates a problem reported in PR217637, where is syncookie was
accepted without any recent drops.
Thanks to glebius@ for suggesting an improvement.
PR: 217637
Reviewed by: gnn, glebius
Differential Revision: https://reviews.freebsd.org/D10272
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Fix line wrapping.
Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Do not call trapsignal() after handling usermode fault or interrupt,
when a signal is not intended to be sent.
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Update pci_vendors to 2017.07.27
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MFC 321859: While here, adjust a few file and path names in comments.
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Detect hypervisor early so that we set lower hz on it.
> Description of fields to fill in above: 76 columns --|
> PR: If and which Problem Report is related.
> Submitted by: If someone else sent in the change.
> Reported by: If someone else reported the issue.
> Reviewed by: If someone else reviewed your modification.
> Approved by: If you needed approval for this commit.
> Obtained from: If the change is from a third party.
> MFC after: N [day[s]|week[s]|month[s]]. Request a reminder email.
> MFH: Ports tree branch name. Request approval for merge.
> Relnotes: Set to 'yes' for mention in release notes.
> Security: Vulnerability reference (one per line) or description.
> Sponsored by: If the change was sponsored by an organization.
> Differential Revision: https://reviews.freebsd.org/D### (*full* phabric URL needed).
> Empty fields above will be automatically removed.
_M .
M sys/amd64/amd64/machdep.c
M sys/amd64/include/md_var.h
M sys/i386/i386/machdep.c
M sys/i386/include/md_var.h
M sys/x86/x86/identcpu.c
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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Sponsored by: The FreeBSD Foundation
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