A nested exception condition arises when a second exception is triggered while
delivering the first exception. Most nested exceptions can be handled serially
but some are converted into a double fault. If an exception is generated during
delivery of a double fault then the virtual machine shuts down as a result of
a triple fault.
vm_exit_intinfo() is used to record that a VM-exit happened while an event was
being delivered through the IDT. If an exception is triggered while handling
the VM-exit it will be treated like a nested exception.
vm_entry_intinfo() is used by processor-specific code to get the event to be
injected into the guest on the next VM-entry. This function is responsible for
deciding the disposition of nested exceptions.
+ Make `sysrc -x foo' produce error status if foo is unset.
NB: Reported by lme (everything else ``while I'm at it'')
+ Remove mention of SYSRC_VERBOSE from `sysrc --help' output.
NB: False documentation leftover from an ancient precursor.
+ Make `sysrc -qc foo' work the same as `sysrc -ic foo' when foo is unset
NB: For syntax convenience (my fingers know `-q' more than `-i').
+ Update description of `-c' flag in help message/manual.
+ Update description of `-q' flag in help message/manual.
+ Make `sysrc -vc foo' work as documented in the manual
NB: Show message stating whether foo is currently set.
+ Make `sysrc -vc foo=1' work as documented in the manual
NB: Show message stating how value of foo would be changed (if at all).
+ Remove odd usage of parentheses in `-R dir' section of manual.
+ Clarify syntax section of manual w/respect to sysctl(8) similarities.
+ Add new/missing people to the `THANKS TO' section of the manual.
Reported by: lme
MFC after: 3 days
X-MFC-to: stable/10, stable/9, ports
variants. This allows usable file system images (i.e. those with both a
shell and an editor) to be created with only one copy of the curses library.
Exp-run: antoine
PR: 189842
Discussed with: bapt
Sponsored by: DARPA, AFRL
To use tmux in an rc.d script, use the new-session flag "-d".
To use screen in an rc.d script, use the "-dm" flag.
If you really need to launch an attached session, manually
export TERM=xterm (FreeBSD 9.0 or higher) or export TERM=cons25
for older releases.
Reported by: bdrewery
Discussed on: src-committers, svn-src-all, svn-src-head
PR: bin/191869
This allows to clone VMs and move them between LUNs inside one storage
host without generating extra network traffic to the initiator and back,
and without being limited by network bandwidth.
LUNs participating in copy operation should have UNIQUE NAA or EUI IDs set.
For LUNs without these IDs VMWare will use traditional copy operations.
Beware: the above LUN IDs explicitly set to values non-unique from the VM
cluster point of view may cause data corruption if wrong LUN is addressed!
MFC after: 2 weeks
Sponsored by: iXsystems, Inc.
would behave differently when utilizing rc-script was invoked manually vs.
service(8). The issue being that these utilities require the TERM environ
variable to be set and service(8) was not passing it down.
Reported by: Michael Dexter <editor@callfortesting.org>
PR: bin/191869
Reviewed by: allanjude
MFC after: 3 days
X-MFC-to: stable/10, stable/9
This includes:
o All directories named *ia64*
o All files named *ia64*
o All ia64-specific code guarded by __ia64__
o All ia64-specific makefile logic
o Mention of ia64 in comments and documentation
This excludes:
o Everything under contrib/
o Everything under crypto/
o sys/xen/interface
o sys/sys/elf_common.h
Discussed at: BSDcan
teardown, and new port creation during `service ctld restart`.
Close it by returning iSCSI port internal state, that allows to identify
dying ports, which should not be counted as existing, from really alive.
Previously ISID was changed every time, that made impossible correct
persistent reservation, because reconnected session was identified as
completely new one.
Reviewed by: trasz
MFC after: 1 week
Instead make ports provide wanted port and target IDs, and LUNs provide
wanted LUN IDs. After that core Device ID VPD code only had to link all
of them together and add relative port and port group numbers.
LUN ID for iSCSI LUNs no longer created by CTL, but by ctld, and passed
to CTL as "scsiname" LUN option. This makes LUNs to report the same set
of IDs, independently from the port through which it is accessed, as
required by SCSI specifications.
Having single port for all iSCSI connections makes problematic implementing
some more advanced SCSI functionality in CTL, that require proper ports
enumeration and identification.
This change extends CTL iSCSI API, making ctld daemon to control list of
iSCSI ports in CTL. When new target is defined in config fine, ctld will
create respective port in CTL. When target is removed -- port will be
also removed after all active commands through that port properly aborted.
This change require ctld to be rebuilt to match the kernel.
As a minor side effect, this allows to have iSCSI targets without LUNs.
While that may look odd and not very useful, that is not incorrect.
partitions of types other than "freebsd-boot" (in particular, "efi").
This allows the removal of some nasty hacks for supporting PowerPC systems,
in particular aliasing freebsd-boot to apple-boot on APM and an IBM-specific
code on MBR.
This changes the installer to use the correct names, which also breaks a
degeneracy in the meaning of "freebsd-boot" that allows the addition
of support for some newer IBM systems that can boot from GPT in addition to
MBR. Since I have no idea how to detect which those systems are, leave
the default on IBM PPC systems as MBR for now.
As sc(4) and vt(4) coexist and are both enabled in GENERIC, the existence
of a vt(4) sysctl is not sufficient to determine that vt(4) is in use.
Reported by: Trond Endrestøl
retrieve the sensor temperature.
This also avoid the overflow that could happen on sysctlnametomib(3)
because the code was not checking the length of the mib array.
CID: 1222504
Previuosly given 'foo,bar' members, removing 'foo' would result in an
infinite loop.
PR: 191427
Submitted by: Voradesh Yenbut <yenbut cs.washington.edu>
MFC after: 1 week
similar to -g.)
- Document -U to set the SMBIOS UUID.
- Add missing options to the usage output and to the manpage Synopsis.
- Don't claim that bvmdebug is amd64-only (it is also a device, not an
option).
Previously the sizes were inferred indirectly based on the size of the mappings
at 0 and 4GB respectively. This works fine as long as size of the allocation is
identical to the size of the mapping in the guest's address space. However, if
the mapping is disjoint then this assumption falls apart (e.g., due to the
legacy BIOS hole between 640KB and 1MB).
