Reintegrate r250907 (previously reverted as r254754) plus MFS r254947,
r255443:
r250907 (scottl):
MFC r248830, r250027, r250409: Several fixes and improvements
to sendfile()
r254947 (kib):
NFS implementation of VOP_READ() sometimes upgrades the vnode lock,
which causes drop of the shared lock and sleep for exclusive. As
result, busying of the page before the call to vn_rdwr() makes NFS
code to wait for vnode lock while page is busy, which contradicts the
proper order of vnode lock -> busy.
r255443 (des):
Fix the length calculation for the final block of a sendfile(2)
transmission which could be tricked into rounding up to the nearest
page size, leaking up to a page of kernel memory. [13:11]
Approved by: re (delphij)
Sponsored by: The FreeBSD Foundation
des [Tue, 10 Sep 2013 10:08:20 +0000 (10:08 +0000)]
In IPv6 and NetATM, stop SIOCSIFADDR, SIOCSIFBRDADDR, SIOCSIFDSTADDR
and SIOCSIFNETMASK at the socket layer rather than pass them on to the
link layer without validation or credential checks. [SA-13:12]
Prevent cross-mount hardlinks between different nullfs mounts of the
same underlying filesystem. [SA-13:13]
dim [Fri, 6 Sep 2013 15:38:40 +0000 (15:38 +0000)]
MFS9 r255306:
MFC r245428:
Add CLOCK_PROCESS_CPUTIME_ID to <time.h>, to synchronize the CLOCK_*
values with those in <sys/time.h>. Otherwise, if a program includes
<time.h> before <sys/time.h>, the CLOCK_PROCESS_CPUTIME_ID macro never
gets defined.
This bug fix is in a code path in rename taken when there is a
collision between a rename and an open system call for the same
target file. Here, rename releases its vnode references, waits for
the open to finish, and then restarts by reacquiring its needed
vnode locks. In this case, rename was unlocking but failing to
release its reference to one of its held vnodes. The effect was
that even after all the actual references to the vnode had gone,
the vnode still showed active references. For files that had been
removed, their space was not reclaimed until the filesystem was
forcibly unmounted.
This bug manifested itself in the Postgres server which would
leak/lose hundreds of files per day amounting to many gigabytes of
disk space. This bug required shutting down Postgres, forcibly
unmounting its filesystem, remounting its filesystem and restarting
Postgres every few days to recover the lost space.
Reported by: Dan Thomas and Palle Girgensohn
Bug-fix by: kib
Tested by: Dan Thomas and Palle Girgensohn
Reduce the disc1.iso image size by setting WITHOUT_CLANG=1 for the
'system' target. Since clang is not enabled by default for releng/9.2,
this has no user visible changes by default.
This brings 9.2-R* well enough below the 700MB mark so that we do not
need to be concerned with it fitting on standard CD-ROM medium.
This is a direct commit to releng/9.2, pending further review for head/
and stable/9/.
Discussed with: delphij, hrs
Approved by: re (marius)
Sponsored by: The FreeBSD Foundation
dteske [Thu, 29 Aug 2013 15:29:48 +0000 (15:29 +0000)]
MFS9 r254953, itself an MFC of r254942 and r254952:
Make alternate layout ``opt-in'' and add support for named releases.
Minor edit to version.4th(8) manual and stack-leak fixes while here.
gjb [Sat, 24 Aug 2013 15:09:05 +0000 (15:09 +0000)]
Default net.inet.tcp.experimental.initcwnd10 to 0 in releng/9.2.
Concerns have been raised regarding enabling initcwnd10 by default
in the stable/ branch, so as a cautionary measure, turn this off
for the 9.2-RELEASE. This sysctl is still available for those
who want to enable this on their own systems.
emaste [Sat, 24 Aug 2013 14:33:11 +0000 (14:33 +0000)]
MFS r254728:
Pull in r182983 from upstream clang trunk:
Fix handling of braced-init-list as reference initializer within
aggregate initialization. Previously we would incorrectly require an
extra set of braces around such initializers.
Pull in r188718 from upstream clang trunk:
Handle init lists and _Atomic fields.
Fixes PR16931.
These fixes are needed for the atomic_flag type to work correctly in our
stdatomic.h.
jfv [Tue, 20 Aug 2013 17:50:30 +0000 (17:50 +0000)]
MFC r254008,254262: Improve the MSIX setup logic, making sure the requested
number of vectors are actually obtained, and if not cleaning up before falling
back to MSI. Also make the fallback decision as early as possible.
dteske [Thu, 15 Aug 2013 15:34:26 +0000 (15:34 +0000)]
MFS9 SVN r254331:
Add optional support for default override of standard setup; but only if
corresponding functions are provided. If override function does not exist,
boot remains unmodified. This patch should not result in any changes.
This includes changes to take advantage of the new functionality.
scottl [Thu, 15 Aug 2013 12:19:16 +0000 (12:19 +0000)]
Merge r254306:
Update PCI drivers to no longer look at the MEMIO-enabled bit in the PCI
command register. The lazy BAR allocation code in FreeBSD sometimes
disables this bit when it detects a range conflict, and will re-enable
it on demand when a driver allocates the BAR. Thus, the bit is no longer
a reliable indication of capability, and should not be checked. This
results in the elimination of a lot of code from drivers, and also gives
the opportunity to simplify a lot of drivers to use a helper API to set
the busmaster enable bit.
This changes fixes some recent reports of disk controllers and their
associated drives/enclosures disappearing during boot.
gjb [Thu, 15 Aug 2013 10:38:10 +0000 (10:38 +0000)]
MFC r254265:
Make sure bootonly.iso for -BETAs and -RCs use the releases/
directory on the FTP mirrors to fetch distributions, since
these are always pushed to releases/ during the release cycle.
tuexen [Thu, 15 Aug 2013 05:14:20 +0000 (05:14 +0000)]
MFC r254352:
Don't send uninitialized memory (two instances of 4 bytes) in
every cookie on the wire. This bug was reported in
https://bugzilla.mozilla.org/show_bug.cgi?id=905080
gshapiro [Thu, 15 Aug 2013 01:31:31 +0000 (01:31 +0000)]
MFC: Temporarily revert sendmail 8.14.7 change to getipnodebyname() flags
to prevent problems between the resolver and Microsoft DNS servers with
AAAA lookups. The upstream open source project will work on a more
permanent fix for the next release. Issue noted by Pavel Timofeev.
marius [Fri, 9 Aug 2013 18:57:18 +0000 (18:57 +0000)]
MFC: r254004
As it turns out, MSIs are broken with 2820SA so introduce an AAC_FLAGS_NOMSI
quirk and apply it to these controllers [1]. The same problem was reported
for 2230S, in which case it wasn't actually clear whether the culprit is the
controller or the mainboard, though. In order to be on the safe side, flag
MSIs as being broken with the latter type of controller as well. Given that
these are the only reports of MSI-related breakage with aac(4) so far and
OSes like OpenSolaris unconditionally employ MSIs for all adapters of this
family, however, it doesn't seem warranted to generally disable the use of
MSIs in aac(4).
While at it, simplify the MSI allocation logic a bit; there's no need to
check for the presence of the MSI capability on our own as pci_alloc_msi(9)
will just fail when these kind of interrupts are not available.
Reported and tested by: David Boyd [1]
kib [Wed, 7 Aug 2013 10:07:55 +0000 (10:07 +0000)]
Revert the MFC of the r244237, done as r244806. There are indeed bugs
in XEN pmap. The revert hides a panic with the cost of non-working
vfork(2), which means more obscure misbehaviour in the usermode.
Revert is only done on the stable branch to maintain the consistent
erratic behaviour.
jfv [Tue, 6 Aug 2013 21:16:00 +0000 (21:16 +0000)]
When the igb driver is static there are cases when early interrupts occur,
resulting in a panic in refresh_mbufs, to prevent this add a check to the
interrupt handler for DRV_RUNNING.
jhb [Tue, 6 Aug 2013 20:04:44 +0000 (20:04 +0000)]
MFC 253048,253423,253449,253653,253774,253785:
- Allow mlx4 devices to switch between Ethernet and Infiniband:
- Fix sysfs attribute handling by using sysctl_handle_string() and
properly handling trailing newlines in attribute values.
- Remove check forbidding requests that would result in one port being
set to Ethernet and the subsequent port being set to IB.
- Avoid trashing IP fragments by correctly managing hardware checksumming.
- Fix panics when downing or unloading the mlx4 driver.
PR: kern/179999, kern/174213, kern/180430, kern/180791
Approved by: re (kib)
jfv [Tue, 6 Aug 2013 17:22:06 +0000 (17:22 +0000)]
MFC r253865: Fixes to RX_COPY optimization code allowing the removal of rearm_queues
routine used in the local_timer.
r253965: Correct the queue mask bit clearing in the link irq handler.
projects / FreeBSD / releng / 9.2.git / log