John-Mark Gurney [Fri, 13 Feb 2015 01:20:37 +0000 (01:20 +0000)]
add support for specifying an initial buffer size when fetching a
sysctl... This is useful for kern.arandom which (without -B) will
happily return 0 bytes, which isn't too useful or random...
fix spelling (thanks igor!) of settable while I'm here...
Enji Cooper [Thu, 12 Feb 2015 21:10:32 +0000 (21:10 +0000)]
Parameterize out the amount of sleep done in each test
Set the value in each test to a different amount to avoid potential
side-effects with other instances of the test (or lingering processes) still
being present on the system
Pedro F. Giffuni [Thu, 12 Feb 2015 21:07:42 +0000 (21:07 +0000)]
ulimit(3): Fix broken check.
The existing implementation had a broken comparison that could overflow.
Replace this with a check that avoids the overflow before it happens.
Consistently return a maximum value also on the case of negative
arguments since negative is considered an overflow and means
infinity for our current setrlimit().
Enji Cooper [Thu, 12 Feb 2015 20:57:57 +0000 (20:57 +0000)]
Refactor the tests
1. `id -u` -> 0 is now only checked once; the entire test script is now skipped
if this assertion is violated
2. De-dent whitespace, based on 1.
3. Only setup the symlink for $sleep once at the top of the script, and tear it
down once at the bottom of the script
Randall Stewart [Thu, 12 Feb 2015 13:31:08 +0000 (13:31 +0000)]
This fixes a bug I in-advertantly inserted when I updated the callout
code in my last commit. The cc_exec_next is used to track the next
when a direct call is being made from callout. It is *never* used
in the in-direct method. When macro-izing I made it so that it
would separate out direct/vs/non-direct. This is incorrect and can
cause panics as Peter Holm has found for me (Thanks so much Peter for
all your help in this). What this change does is restore that behavior
but also get rid of the cc_next from the array and instead make it
be part of the base callout structure. This way no one else will get
confused since we will never use it for non-direct.
Reviewed by: Peter Holm and more importantly tested by him ;-)
MFC after: 3 days.
Sponsored by: Netflix Inc.
Colin Percival [Thu, 12 Feb 2015 05:35:00 +0000 (05:35 +0000)]
Step 1 of eliminating the "games" distribution: Move binaries to /usr/bin;
update paths; and include everything in the "base" distribution.
The "games" distribution being optional made sense when there were more
games and we had small disks; but the "games-like" games were moved into
the ports tree a dozen years ago and the remaining "utility-like" games
occupy less than 0.001% of my laptop's small hard drive. Meanwhile every
new user is confronted by the question "do you want games installed" when
they they try to install FreeBSD.
The next steps will be:
2. Removing punch card (bcd, ppt), phase-of-moon (pom), clock (grdc), and
caesar cipher (caesar, rot13) utilities. I intend to keep fortune, factor,
morse, number, primes, and random, since there is evidence that those are
still being used.
Ed Maste [Thu, 12 Feb 2015 02:08:44 +0000 (02:08 +0000)]
libdwarf: Handle .rel relocations
Some architectures use .rel relocations (for debug data), so they must
be handled.
This was discovered from ctfconvert on ARM object files. The lack of
relocation handling caused all string lookups to return the string at
offset 0 in .debug_str, typically "FreeBSD clang version ..."
Reviewed by: gnn, imp, rpaulo (earlier version)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D1819
Registers definitions for the new capabilities from the version 2.4 of
VT-d specification. Also add definitions for the interrupt remapping
table and IEC.
Print new capabilities on boot. although there is no hardware which
support it.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Marcel Moolenaar [Wed, 11 Feb 2015 17:56:24 +0000 (17:56 +0000)]
Close the file list before opening the container that holds the
totals, otherwise we end up emitting invalid JSON -- provided
libxo does not prevent us from doing that.
Tijl Coosemans [Wed, 11 Feb 2015 17:25:23 +0000 (17:25 +0000)]
Fix ldscripts such that ld(1) collects the .fini_array section in the same
order as the .init_array section. Finalisation routines need to be called
in the opposite order as their corresponding initialisation routines but
rtld(1) handles that by calling the function pointers in .fini_array in
reverse order.
John Baldwin [Wed, 11 Feb 2015 15:49:14 +0000 (15:49 +0000)]
MFi386:
When building some of the boot loaders with clang, and DEBUG_FLAGS or
CFLAGS having '-g' in it, clang outputs several assembly directives that
are too new for our version of binutils.
Therefore, assemble the resulting .s files with clang instead. A more
general solution can be implemented when a GNU as-compatible driver for
clang's integrated assembler appears.
Bryan Drewery [Tue, 10 Feb 2015 20:45:40 +0000 (20:45 +0000)]
When catopen(3) returns an error, it caches the result of that error
from r202992. The refcount on the cache entry is not initialized, so
any attempt to clean the cache will skip over this item since it likely
has a >0 value.
This change is currently a NOP. There is work in progress to support
freeing the cache which requires this change to avoid a memory leak.
Mountd iterating over the mount points may race with the parallel
unmount, which causes error from nmount(2) call when performing
MNT_DELEXPORT over the directory which ceased to be a mount point.
The race is legitimate and innocent, but results in the chatty mountd.
Silence it by providing an distinguished error code for the situation,
and ignoring the error in mountd loop.
Based on the patch by: Andreas Longwitz <longwitz@incore.de>
Prodded and tested by: bdrewery
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Restore ABI compatibility, broken in r273127. Note that while this fixes
ABI with 10.1, it breaks ABI for 11-CURRENT, so rebuild of automountd(8)
is neccessary.
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
r272959 broke compatibility with mfsBSD that stores the default network
config file in /etc/rc.conf.d/network. In order to fix that load the network
config file from netif also.
Revert r274918 and make a better solution. Poll the synchronisation
endpoint less frequently to make the sample rate adjustment more
accurate. This should resolve problems with the DN32-USB module for
Midas audio systems and possibly other similar products from Klark
Teknik.
Glen Barber [Tue, 10 Feb 2015 12:04:38 +0000 (12:04 +0000)]
In scripts/mk-vmimage.sh, prevent incorrect usage() by
defaulting VMCONFIG to /dev/null, and additionally
ensuring VMCONFIG is not a character device before it
is sourced.
While here, be sure to exit if usage() is called.
This should effectively be no-op, but the usage() output
was discovered while investigating a larger issue.
MFC after: 1 week
X-MFC-with: r277458, r277536, r277606, r277609,
r277836, r278118, r278119, r278206
Sponsored by: The FreeBSD Foundation
Rui Paulo [Tue, 10 Feb 2015 06:35:16 +0000 (06:35 +0000)]
Remove FreeBSD/wii.
This port failed to gain traction and probably only a couple Wii consoles
ran FreeBSD all the way to single user mode with an md(4). IPC
support was never implemented, so it was impossible to use any peripheral
Any further development, if any, will happen at https://github.com/rpaulo/wii.
Discussed with: nathanw (a long time ago), jhibbits
Nathan Whitehorn [Tue, 10 Feb 2015 00:55:42 +0000 (00:55 +0000)]
Set thread priorities on multithreaded CPUs so that threads holding a
spinlock are high-priority and threads waiting for a spinlock are set to
low priority.
Rui Paulo [Mon, 9 Feb 2015 23:13:50 +0000 (23:13 +0000)]
Notify devd(8) when a process crashed.
This change implements a notification (via devctl) to userland when
the kernel produces coredumps after a process has crashed.
devd can then run a specific command to produce a human readable crash
report. The command is most usually a helper that runs gdb/lldb
commands on the file/coredump pair. It's possible to use this
functionality for implementing automatic generation of crash reports.
devd(8) will be notified of the full path of the binary that crashed and
the full path of the coredump file.
Add x2APIC support. Enable it by default if CPU is capable. The
hw.x2apic_enable tunable allows disabling it from the loader prompt.
To closely repeat effects of the uncached memory ops when accessing
registers in the xAPIC mode, the x2APIC writes to MSRs are preceeded
by mfence, except for the EOI notifications. This is probably too
strict, only ICR writes to send IPI require serialization to ensure
that other CPUs see the previous actions when IPI is delivered. This
may be changed later.
In vmm justreturn IPI handler, call doreti_iret instead of doing iretd
inline, to handle corner conditions.
Note that the patch only switches LAPICs into x2APIC mode. It does not
enables FreeBSD to support > 255 CPUs, which requires parsing x2APIC
MADT entries and doing interrupts remapping, but is the required step
on the way.
Reviewed by: neel
Tested by: pho (real hardware), neel (on bhyve)
Discussed with: jhb, grehan
Sponsored by: The FreeBSD Foundation
MFC after: 2 months
Randall Stewart [Mon, 9 Feb 2015 19:28:11 +0000 (19:28 +0000)]
This fixes a bug in the way that the LLE timers for nd6
and arp were being used. They basically would pass in the
mutex to the callout_init. Because they used this method
to the callout system, it was possible to "stop" the callout.
When flushing the table and you stopped the running callout, the
callout_stop code would return 1 indicating that it was going
to stop the callout (that was about to run on the callout_wheel blocked
by the function calling the stop). Now when 1 was returned, it would
lower the reference count one extra time for the stopped timer, then
a few lines later delete the memory. Of course the callout_wheel was
stuck in the lock code and would then crash since it was accessing
freed memory. By using callout_init(c, 1) we always get a 0 back
and the reference counting bug does not rear its head. We do have
to make a few adjustments to the callouts themselves though to make
sure it does the proper thing if rescheduled as well as gets the lock.
Commented upon by hiren and sbruno
See Phabricator D1777 for more details.
Commented upon by hiren and sbruno
Reviewed by: adrian, jhb and bz
Sponsored by: Netflix Inc.
Randall Stewart [Mon, 9 Feb 2015 19:19:44 +0000 (19:19 +0000)]
This fixes two conditions that can incur when migration
is being done in the callout code and harmonizes the macro
use.:
1) The callout_active() will lie. Basically if a migration
is occuring and the callout is about to expire and the
migration has been deferred, the callout_active will no
longer return true until after the migration. This confuses
and breaks callers that are doing callout_init(&c, 1); such
as TCP.
2) The migration code had a bug in it where when migrating, if
a two calls to callout_reset came in and they both collided with
the callout on the wheel about to run, then the second call to
callout_reset would corrupt the list the callout wheel uses
putting the callout thread into a endless loop.
3) Per imp, I have fixed all the macro occurance in the code that
were for the most part being ignored.
Phabricator D1711 and looked at by lstewart and jhb and sbruno.
Reviewed by: kostikbel, imp, adrian, hselasky
MFC after: 3 days
Sponsored by: Netflix Inc.
Warner Losh [Mon, 9 Feb 2015 16:29:44 +0000 (16:29 +0000)]
Prefer install over mkdir to create the directory. Add test to ensure
the directory doesn't exist before creating it. This makes the NO_ROOT
case actually work.
Warner Losh [Mon, 9 Feb 2015 16:04:08 +0000 (16:04 +0000)]
We need to create /boot/dtb since some use cases don't create a full
root with BSD.root.mtree, so it often times will not exist. Rather
than force the latter for an installkernel, just create the directory
with a comment about why.
projects / FreeBSD / FreeBSD.git / log