Update NEWS for BFGMiner

NEWS

@@ -3,36 +3,40 @@ BFGMiner Version 2.10.0 - Future
 - Include prctl header for thread renaming to work.
 - Set tv_idle time if a pool is not active when input from the menu.
 - usb display message when device is in use/another cgminer
-- libztex: avoid the use of libusb_error_name()
 - minor unlikely zero pointer test
 - BeaverCreek doesn't like BFI INT patching.
 - Only stratum pools that are idle need to be kicked via cnx_needed.
-- mmq - abbreviate the temperature numbers
-- Do not do any setup if opt_api_listen is disabled in api.c.
 - usbutils.c uninitialised usbstat for non-primary mmqs
+- Do not do any setup if opt_api_listen is disabled in api.c.
+- libztex: in case the selectFpga() failed set the selected fpga to unknown
 - Only set the lagging flag for select_pool() on failed getwork if we're not in
 opt_fail_only mode.
-- libztex: in case the selectFpga() failed set the selected fpga to unknown
-- Modified windows-build.txt to update git instructions.
+- driver-ztex: support for broken fpga on a multifpga board
 - libztex: use a function for the twice called firmware reset code
 - libztex: removed an unused struct member (ztex->valid)
-- driver-ztex: support for broken fpga on a multifpga board
 - Set the pool lagging flag on startup to avoid it being shown initially, and
 only unset it once the maximum number of staged work items has been reached.
-- Avoid recursive locking of the stgd lock.
-- Return value of keep_sockalive is no longer used.
-- Remove dependency on mstcpip.h for windows build by making curl version >=
-7.25.0 mandatory on windows builds, and use curl functions for keepalive
-whenever possible instead.
+- libztex: Include compat.h for substitute libusb_error_name (on older libusb
+versions missing it)
+- Suppress warning about "succeeded" not being used in finish_req_in_progress
+for now
+- Bugfix: Always give the get_work thread a curl, regardless of other
+outstanding curls in use
+- Bugfix: Failover after even a single job-request failure (or else it takes
+too long on timeouts)
+- Bugfix: Need to remove and re-add curl easy handles from multi to start a new
+request
+- Access total_submitting under mutex lock to avoid any potential races, and
+increment it as soon as we queue the submission up
+- Just leave the submit_work thread running persistently
+- Bugfix: Restore work->pool after prepare_rpc_req since clean_work now clears
+it
+- Bugfix: Now that stage_work is trying to manipulate staged_work in the same
+thread, clone_available needs to stage it outside of its own lock
 - Make main() the getwork scheduler once everything is set up, so that all app
 exits use the kill_work and quit paths.
-- ztex: more style and whitespace fixes
-- libztex: silenced another warning
 - Set successful connect to true on auth stratum to allow summary on exit from
 single stratum pool.
-- Only consider work stale for stratum of different job_id if it's not a share.
-- Increment version preempting changed version signifying different codebase to
-2.9
 - Hash_pop should signal further waiters on its own pthread conditional in case
 there are multiple waiters.
 - Check the job_id has not changed on stratum work when deciding if the work is
@@ -51,8 +55,14 @@ getworks requested or local work generated. Use a pthread conditional to wake up
 the thread whenever work is removed to generate enough work to stay above the
 watermark set by opt_queue. Remove all remnants of the old queueing mechanism,
 deleting the now defunct queued count.
+- Bugfix: Clean up share hashing and target checks, fixing share difficulty
+calculation for above-target would-be-shares
+- Use templates from pool_active and longpolls without fetching more
+unnecessarily
+- Try to avoid requesting GBT jobs when there is already a request in progress
+that will likely provide sufficient work
+- Reuse most recent GBT job if in get_work_thread if it isn't stale
 - libztex: fixed some warnings and removed some whitespaces
-- libztex: silenced some warnings
 - Remove all references to the now unused workio_cmd structure.
 - Remove the old workio command queue thread, replacing it with a kill
 conditional to exit the program.
@@ -60,60 +70,60 @@ conditional to exit the program.
 queue_request.
 - Begin tearing down the old workio command queues by removing submit commands
 from there and submit them asynchronously via their own threads.
-- Update windows build instructions.
-- Set pool probed to true on successful authorisation with stratum to avoid it
-being pinged later with pool_getswork.
 - driver-ztex: libztex_setFreq() must be called before ztex_releaseFpga()
 - driver-ztex: changed two pairs of malloc()/memset() to calloc()
 - libztex: Read bitstream file in 2kb blocks with simpler and faster code
 - Added the binary versions of ztex_ufm1_15d4.ihx and ztex_ufm1_15y1.ihx
-- Trivial space removal.
 - libztex: Add firmware download support for ZTEX 1.15d and 1.15x
 - libztex: Factor out local version of libusb_get_string_descriptor_ascii()
-- Shut up some boring old cpu warnings.
-- Style changes.
-- Allow pool active to be called on stratum or disabled pools in the watchpool
-thread if the pool has not been probed.
 - libztex: Make log messages say bitstream when refering to bitstreams
 - libztex: Don't return error when a bitstream was already configured
 - libztex: Read bitstream file in 64kb blocks with simpler and faster code
 - libztex: Verify that the mining firmware is not a dummy firmware
 - libztex: Match mining firmware ZTEX descriptor against the dummy firmware
-- Combine shared padding into one char.
 - libztex: Start download sequence only after reading in the new firmware
 - libztex: Download mining firmware to all devices with dummy firmware
+- Update windows build instructions.
+- Set pool probed to true on successful authorisation with stratum to avoid it
+being pinged later.
+- Style changes.
+- Allow pool active to be called on stratum or disabled pools in the watchpool
+thread if the pool has not been probed.
 - lock (most of) the threaded statistics updates
 - README stats don't add up
+- Rearrange summary lines and include count of active submissions in progress
+- Increase FD_SETSIZE to 4096 on Windows
+- Defer submissions instead of blocking in pop_curl_entry
+- Run a single share submission thread asynchronously submitting all shares in
+parallel
+- Handle share submissions asynchronously, one at a time (still threaded)
+- Split up json_rpc_call so it can be used asynchronously in libcurl-multi
+- Split submit_upstream_work into _request and _completed stages, pulling out
+json_rpc_call
+- Bugfix: Adjust USB_* variables to new LIBUSB_* names
+- Bugfix: Use AC_PROG_CPP in libusb include subdirectory detection for improved
+portability
+- Bugfix: Avoid double-free due to realloc_strcat moving memory around
+- Bugfix: Free input memory after prioritising pools in TUI
+- Bugfix: Free filename entry for writing config file when done with it
+- Bugfix: Free input memory after prioritising pools in TUI
+- Bugfix: Free filename entry for writing config file when done with it
+- Bugfix: Stratum connections might be needed for share submissions up to a
+minute after the last time they are used to generate work
+- Bugfix: Clean work before trying to generate new stratum work on top of it
+- Bugfix: Free stratum nonce1 before replacing it with new value on reconnect
+- Bugfix: modminer: Get rid of useless usbutils include
 - usbutils.c remove compiler warning
 - Make need connection return true if a pool is idle.
-- API add Best Share to summary
-- Check on creating new GBT work if the structures are up to date and update
-them as required rather than regularly.
-- Update windows build instructions.
-- Enable backup stratum connections for getwork when the primary pool doesn't
-have longpoll aka solo mining.
-- Check for correct absence of opt_fail_only in cnx_needed.
-- Remove unused variable.
-- The specification for stratum has been elaborated to say that a changed diff
-applies only to new work so do not retarget when submitting shares.
-- Use a variable length string array in submit_upstream_work to cope with
-massive GBT submissions.
-- API lock access to some summary statistics (and copy them)
-- Suspend stratum connections to backup pools when there is no requirement to
-potentially grab work from them.
-- Fix missing export for RenameThread.
-- enumerate the mining threadnames
-- MMQ avoid possible number overrun crashes
-- mmq usb v0.4 + api usb stats
-- setting the name of the threads for linux,freebsd,openbsd and osx code is
-borrowed from bitcoins util.c, so it is already tested
-- Don't show broken WU value with scrypt mining.
-- Style police.
-- Remove unused getwork times in getswork.
-- Fix readme wordwrap.
 - New --skip-security-checks option to allow miners to skip checks when it
 saves bandwidth
 - Skip stratum transaction download when there are no transactions
+- Count template number, and append it to the coinbase of templates without any
+cbtxn
+- Bugfix: bitforce: Always increment global hw error counter when incrementing
+device hwe
+- Bugfix: Capitalize "MHz" correctly
+- Bugfix: Correct order of printf-style arguments in cbappend fail
 - API add Best Share to summary
 - API lock access to some summary statistics (and copy them)
 - Update windows build instructions.
@@ -127,6 +137,9 @@ applies only to new work so do not retarget when submitting shares.
 potentially grab work from them.
 - Rename rename_thr to RenameThread to match cgminer
 - modminer: Adopt symbolic command names from kanoi
+- ztex: Correctly release mutex and reset FPGA if configuration fails
+- ztex: Harmonize low-speed FPGA configuration code with high-speed code
+- libztex: Silence warning: comparison between signed and unsigned
 - Make gen_stratum_work more robust by using a dynamically allocated array for
 the header in case bogus data is sent by the pool to avoid overflowing a static
 array.
@@ -137,8 +150,17 @@ truncating irrelevant zeroes from displayed hash.
 needed later on.
 - Revert "Handle crash exceptions by trying to restart cgminer unless the
 --no-restart option is used."
+- Count longpoll decodes as queued work since the count otherwise remains
+static.
 - Provide helper function realloc_strcat to extend arbitrary length arrays
 based on string length.
+- Look for libusb_init in -lusb, since FreeBSD has it there
+- Bugfix: Use pkgconfig for libusb when available, and try to guess the include
+path if not
+- Bugfix: Assign header-based rolltime before decoding work, so GBT expires
+overrides it properly
+- Bugfix: FPGA-README: Correct idVendor in example MMQ udev rule
+- fixes target calc for mips openwrt
 - Use base_work for comparison just for cleanness in __copy_work
 - Remove all static work structs, using the make and free functions.
 - Add pool no. to stale share detected message.
@@ -147,19 +169,31 @@ based on string length.
 - Get rid of unused last_work in opencl thread data.
 - Do away with the flaky free_work api in the driver code which would often lose
 the work data in opencl and simply flush it before exiting the opencl scanhash.
+- Bugfix: clear_work: Whether the template is in fact being freed or not, the
+work reference to it needs to be
 - Minor work handling restructure, including moving some stratum data from
 fixed-size buffers to their own heap allocations.
+- libztex: Work around ZTEX USB firmware bug exposed by the FreeBSD libusb
+- README: Document solo mining usage
+- README: Update dependencies
+- Bugfix: We should never roll stale work
+- Ubuntu: Removing erroneous libssl dep again. GITHUB#94
 - opencl: Use new dev_error function for REASON_DEV_NOSTART
+- Bugfix: Clear out stratum share work before freeing it
 - Provide rudimentary support for the balancing failover strategies with stratum
 and GBT by switching pools silently on getwork requests.
 - Convert remaining modminer and bfl uses of usleep to nmsleep.
 - Convert libztex to nmsleep where possible.
 - Convert unreliable usleep calls to nmsleep calls in ztex driver.
+- Provide rudimentary support for literal ipv6 addresses when parsing stratum
+URLs.
 - Tidy up device error counts
 - Only increase gpu engine speed by a larger step if the temperature is below
 hysteresis instead of increasing it to max speed.
 - Convert pool not responding and pool alive message on backup pools to verbose
 level only since they mean a single failed getwork.
+- Do not attempt to remove the stratum share hash after unsuccessful submission
+since it may already be removed by clear_stratum_shares.
 - Use stratum block change from backup pools as an alternative to longpoll for
 pools that don't support LP.
 - Round some more static string arrays to 4 byte boundaries.