- up to 3.0.52

[packages/lin_tape.git] / lin_tape.fixlist

Fixlist for Linux IBM Tape Device Driver (lin_tape)

(C) Copyright IBM Corporation 2007-2019

 Level      Date                   Description
---------------------------------------------------------------
3.0.52   03/17/2020 - Initial support for RHEL 8.1 (min. kernel version 4.18.9.147)
                    - Initial support for SLES 12 SP5 (min. kernel version 4.12.14-122)
                    - Workaround for scsi request not detecting/reporting path down on RHEL 8.x
3.0.51   02/21/2020 - Fix for keeping track of reservation after failover
                    - Fix for sg lock on RHEL7
                    - Fix for possible lock on device unconfig
                    - Fix for drive dumps file names
                    - Adjustment for LTO erase time out 
                    - Enhancement for install script        
3.0.48 11/01/2019   - Initial support for RHEL 7.7 (min. kernel version 4.14.0-115 on Power and 3.10.0-1062 on Intel)
3.0.48 09/18/2019   - Initial support for RHEL 8 (min. kernel version 4.18.0-80)
                    - Initial support for SLES 15 SP1 (min. kernel version 4.12.14-197.1)
                    - Fix for crash when all paths removed during load balancing
                    - Fix for null pointer on join with devices with alternate path disabled
3.0.46 07/31/2019   - General change for lock handling and devices table
                    - Fix on daemon null pointer
                    - Retry on unit attention and not ready sense on attachment
                    - Daemon signal blocking fix
                    - Introduced systemd (on RHEL 7, SLES 12 and SLES 15)
                    - Fix for daemon not processing commands when removal in progress
                    - Support flag for SLES
                    - Initial support for SLES 12 SP4 (min. kernel version 4.12.14-94.41 x86_64, ppc64le and s390x)
3.0.39 02/18/2019   - Initial support for RHEL 7.6 (min. kernel version 3.10.0-957.1.3 only)
3.0.39 02/18/2019   - Initial support for SLES 12 SP4 (min. kernel version 4.12.14-94.41 ppc64le and s390x only)
3.0.39 12/06/2018   - Initial support for TS1160
                    - Initial support for RHEL 6.10 (min. kernel version 2.6.32-754 ppc64le and x86_64 only)
                    - Initial support for Ubuntu 18.04 (min. kernel 4.15.0.34 only on ppc64le and x86_64)
                    - Initial support for SLES 15 (min. kernel 4.12.14-23.1 only on ppc64le and s390x)
                    - Fix for soft lock on rescan
                    - Fix for udev attributes
                    - New Archive Mode Unthread ioctls
3.0.33 07/27/2018   - Initial support for RHEL 7.5 (min. kernel version 3.10.0-862 only on ppc64le and x86_64)
                    - Initial support for Ubuntu 16.04.3 (min. kernel 4.4.0-87 Only on x86_64)
                    - Fixed bug on CPF failing over a different device
                    - Reduced removal waiting when device busy
                    - Added runtime attribute PID
                    - Fix for double lock on rescan
3.0.32 06/07/2018   - Support for SLES 12 SP3 on kernels beyond 4.4.114
                    - Fix for lock condition introduced at 3.0.30 when attempt to open a device busy
                    - Fox for join driver to return sense data after CPF event
3.0.31 04/26/2018   - Initial support for SLES 12 SP3 (min. kernel version 4.4.114-94)
3.0.30 04/11/20185  - Fixes on join some with crash potential during failover
                    - Fix for join driver returning ENXIO on open
                    - Fix for memory leak on join interfaces
                    - Fix for Verify  and extended read position application interface for missmatching endianness
                    - Fix for logging when daemon stopped
                    - Fix for race condition
                    - Fix and enhancements for device removal
                    - Fix for hang introduced at 3.0.20 on device removal during IO
                    - Enhancements for daemon excess loop during failvoer
                    - Fix for interlock of daemon with crash potential
                    - Stop waiting when device gone detected
                    - Work around ERP TOD from drive sense data parameter rounded
                    - Fix to not use the device object once driver released
                    - Removed small unporected window on read proc
3.0.23 11/03/2017   - Initial support for RHEL 7.4 (min. kernel version 3.10.0-693 only on ppc64, ppc64le and x86_64)
                    - Initial support for RHEL 6.9 (min. kernel version 2.6.32-696)
                    - Support for LTO8
                    - Fix for reservation conflict when reserve_6 used
                    - Fix for failover after device rediscovery (introduced at 3.0.20)
                    - Fix for device name after removal (introduced at 3.0.20)
                    - Fix for read with resid through join interface
3.0.21 09/14/2017   - Fix to process sense data from srb combination flags
                    - Enhancement to not attempt failover when only one path left
                    - Fix for crash on concurrency (multiple process attempting to use the same device in stress scenario)
                    - Fix for returning ENXIO instead attempting failover (introduced at 3.0.20)
                    - Join driver to retry attachment on LUN not serlf configured
3.0.20 06/09/2017   - Reincorporated join driver (lin_tape_as_sfmp) with new build flag: -with sfmp
                    - Work around for wrong SN reported by Inq. page 80h after failback
                    - Fix for crash when HBA driver removed before lin_tape
                    - Fix for mismatching device SN on failback
                    - Fix for busy waits
                    - Fix for file systems removals
                    - Fix for file systems attributes names
                    - Fix for column width at /proc/IBM for SN
                    - Initial support for SLES 12 SP2 (min. kernel version 4.4.21-69)
                    - Initial support for RHEL 7.3 (min. kernel version 3.10.0-514)
                    - Initial support for RHEL 7.3 Power LE (min. kernel version 3.10.0-514)
                    - Support for TS4300
3.0.18 03/08/2017   - Prevent crash from double delete objects on removal during wait scenarios (introduced at 2.2.0)
                    - lin_tape_as_sfmp not supported in this version
                    - Installation for blacklist.conf enhancements
                    - Support for TS1155
3.0.16 01/06/2017   - Prevent crash introduced at 1.75.0 cleaning buffern and length on WRA during open
                    - Prevent lock/crash introduced at 1.75.0 when device removal during open
                    - Added dualaccesor_cpf for TSLM usage
                    - Enhancement to installer to prevent blacklisting st and sg linux modules
3.0.13 11/11/2016   - Fix for passthru error recovery after EOD detected
                    - Fixes for device removal during wait causing lock or crash
                    - Fix to prevent lock over lock at scatter/gather when running with low memory
                    - Updates on daemon configuration parameters naming to match lin_taped.conf with IUG instructions
                    - Added daemon parameter TapeDevPermissions to lin_taped.conf
3.0.12 08/19/2016   - Fix for lin_tape_as_sfmp attachment on kenrnels 3.10.0 and beyond
                    - Enhancement on lin_tape_as_sfmp installation
3.0.11 08/08/2016   - Added join driver back
                    - Fixed multiple kernel dependencies for join
                    - Enhancement on join install
                    - Fix on join driver for scsi rescan
3.0.10 06/03/2016   - Removed join driver
                    - New OEM library support
                    - Initial support for RHEL 6.8 (min. kernel version 2.6.32-642)
                    - Initial support for RHEL 7.2 (min. kernel version 3.10.0-327)
3.0.8  03/16/2016   - Prevent segfault at daemon
                    - Fix for pfo device discovery at 390x arch.
3.0.7  02/23/2016   - Prevent crash from st/sg failover
                    - Added reserve type to STIOCQRYP
                    - Enabled SIOC_LOG_SENSE10 for changer
                    - Added special open for preemption
                    - Enabled TSM QUERY PR KEY for normal open
                    - Fix for join build
3.0.6  02/26/2016   - Introduction of join driver (lin_tape_as_sfmp)
3.0.5  01/06/2016   - Fix to track LBP state
                    - Prevent null pointer from scsi device
                    - Fix for HBA call to restore LBP after failover
3.0.3  11/06/2015   - Removed warnings for big-endian introduced at 3.0.1
                    - Fix for hardcoded serial number length in daemon
                    - Build/Install enhacements
3.0.2  09/11/2015   - Retry Abort 4b/06
                    - Fix for changer lock
                    - Enhancement to disable autodump for all at once
                    - Initial support for SLESS11 SP4 (min. kernel version 3.0.101-63)
3.0.1  08/25/2015   - Fix for RAO IOCTL's
                    - Increased retry time for 2/3E/0
                    - Support for LTO7
3.0.0  06/26/2015   - Fix for pages leak at s/g ops
                    - Initial support for RHEL 7.1 (min. kernel version 3.10.0-229)
                    - Initial support for RHEL 6.7 (min. kernel version 2.6.32-573)
2.9.9  06/16/2015   - Fix for lock during autodump loop
                    - Enhancement for bs>1M at kernels>2.6.29
                    - Fix for pages leak at s/g
                    - Return ENOMEM instead of EIO from lin_tape_blk_req
2.9.8  05/08/2015   - Prevent cdev call with null pointer
2.9.7  04/28/2015   - 3592 WDRA timout increased to 5 min
                    - Removed enhancement to handle lot of 
                      removals due to lock and crash,
                      wait_on_config should be used instead
2.9.6  03/24/2015   - Removed printk at qry_blk_prot
                    - Fix for SN/CPF alignment on SN>16
                    - Fix for page order adjustment that caused 
                      data corruption at 2.9.5 (only blocksize >
                      1M and kernel >= 2.6.29)
                    - Daemond enhancement to handle lot of 
                      removals
                    - Write lock hang during autodump and s/g
                    - Fix for 3592/E08 generation id
                    - Initial support for RHEL 6.6 (min. kernel version 2.6.32-504.8.1)
2.9.5  01/15/2015   - Adjustment to page order for r/w
2.9.4  12/05/2014   - Support for 3592/E08
                    - Fixes to multiple partition sizing
                    - Fix to return rc on failed set active partition
                    - Fix on failover enablement for SN > 16
                    - Added enablement for select OEM libraries
                    - Initial support for RHEL 7 (min. kernel version 3.10.0-123)
2.9.3  10/27/2014   - Enhancement for SN/CPF gather
                    - Fix for dump ready when s/g
2.9.2  08/26/2014   - Fix for partitioning PSUM and POFM bits
                    - Fix for TSM enh inventory media type
                    - RHEL 7 (min. kernel version 3.10.0-123)
2.9.1  07/28/2014   - Fix for chgr cmd call during device removal
                    - Fix for tracing during device removal
                    - Fixes for PR IOCTL's
2.9.0  06/29/2014   - RAO SA update and LBP CRC32C added
2.8.0  05/28/2014   - Enhancements to busy_retry 
2.7.0  05/15/2014   - fixes for s/g on authomatic dump
                    - fix for STIOCSETP on LWP set
                    - Initial support for RHEL 6.5 (min. kernel version 2.6.32-431)
2.6.0  02/17/2014   - Added Recommend Access Order (RAO)
                    - noreserve changer default for failover
2.5.0  01/14/2014   - Added SIOC_ENH_LOG_SENSE 
                    - Initial support for SLES11 SP3 (min kernel version 3.0.79-0.11)
2.4.0  12/18/2013   - Added Scatter/Gather for operations use. 
2.3.0  10/01/2013   - Initial support for RHEL 6.4 (kernel version 2.6.32-358.18.1.el6)
                    - Changed some indirection to double 
                      indirection for CPF
                    - Rerouted some changer commands to go 
                      through the changer queue
                    - Added debug tracing for the changer queue
2.2.0  08/06/2013   - Added optional persistent_n_device 
                      parameter to enable the ability to 
                      persistent name non rewind open.
2.1.0  06/11/2013   - Added busy_retry for TSM
                    - Added ability to take log sense size 
                      desired for ITDT
                    - Added definition to IBM_tape.h MTWEOFI
                    - Changed default for Jag cartridge to 6
2.0.0  05/22/2013   - Removed flushing buffer on setposition
1.76.0 10/22/2012   - Failover fix for bug introduced in 1.75.0
                    - Initial support for RHEL 5.9 (min kernel version 2.6.18-348)
1.75.0 10/17/2012   - Implemented Dynamic Runtime Attributes
                    - Fixed host reboot on microcode load of TS3310
                    - Fixed crash on drive cable pull
1.74.0 08/21/2012   - Support for 64-bit position counters
                    - Fix bug in /proc/scsi/IBMchanger with many changers
                    - Fix to changer open count when close fails
1.73.0 05/29/2012   - Allow option for setting TSM 3592 barcode to length 8
                    - Fix for SLES 11 SP2 hang on failback
                    - Initial support for SLES11 SP2 (min kernel version 3.0.13-0.27)
1.72.0 05/22/2012   - Increase inquiry timeout to 180 for rediscovered device
                    - Fix lin_taped crash on SAS rediscovered dvc, RH 5 & 6
1.71.0 05/07/2012   - Eliminate multiple "REMOVED" devices on failback
                    - Implement MTWEOFI (write filemarks with immed=1)
                    - Fix bug on reading prog. early warning parameter
                    - Fix potential failover bugs on read and write
1.70.0 04/20/2012   - Fix crash on SLES 11 SP2 when offline device returns
                    - Eliminate excessive trailing spaces in read proc
                    - Increased inquiry timeout to three min. for failover
1.69.0 04/13/2012   - Fix infinite loop on read proc with small buffer size
                    - Eliminate excessive print on unsuccessful key registration
1.68.0 03/13/2012   - Support for LTO 6 media types
                    - Fix for crash in tape_read_proc and changer_read_proc
                    - Data direction in failover set position from OUT to NONE
1.67.0 02/06/2012   - Implemented Programmable Early Warning
                    - Implemented general Mode Sense function
                    - Implemented Verify Data
                    - Initial support for SLES 11 SP2
                    - Added LTO 6 inquiry strings
1.66.0 12/08/2011   - Prevent BUSY return status in multiple open changer
1.65.0 11/15/2011   - Change final PREEMPT to PREEMPT_AND_ABORT for DPF
1.64.0 11/04/2011   - Serialize IO for two instances of open changer (crash fix)
1.63.0 11/02/2011   - Catch failover case at beginning of IO requests
1.62.0 10/14/2011   - Call malloc before lock acquisition in load_unload
                    - Unit attention and DPF handling for PREVENT_MEDIUM_REMOVAL
                    - STIOCP: supply missing sili bit case
                    - reallocate changer data if missing at start of IOCTL
                    - Change remaining ENOMEM to EOVERFLOW in overlength read
                    - Allow removal of lin_taped if not running
1.61.0 09/26/2011   - Allow for short erase in STERASE
                    - Fix for crash when HBA driver uninstalled w/ alt_pathing
1.60.0 09/12/2011   - Fix sense copy error by accounting for DID_TARGET_FAILURE
                    - Fix CPF/DPF error introduced in 1.58.0 in ERP function
1.59.0 08/25/2011   - Fix for read loop error with SILI bit on 
1.58.0 08/12/2011   - Implementation of log sense page with subpage support
                    - Added eot warning IOCTLs
                    - Made READ SILI bit a changeable parameter
                    - Change overlength read rc from ENOMEM to EOVERFLOW
                    - Reset logical block protection on failover
1.57.0 07/15/2011   - Fix for timeout error introduced in 1.56.0
                    - Allow option for a SLES 11 and higher "supported" build
1.56.0 07/11/2011   - Fix handling of deferred EOM flag
                    - Update changer timeouts to 900
1.55.0 06/17/2011   - Fix for structure size in logical block protection IOCTLs
                    - Fix for invalid data returned with max modesense length
                    - Introduce count to track number of open changer instances
1.54.0 05/05/2011   - Updated erase timeout for Jag4
1.53.0 04/13/2011   - Fix for crash when drive is power cycled while open
1.52.0 04/01/2011   - Clear flags on lin_tape_flush for future opens
                    - Remove check of open/busy flags during changer open
1.51.0 02/18/2011   - Send TUR on CPF to clear RS-422 failure unit attention
                    - Correlate device number with SCSI address in /proc/scsi
                    - Fix seg fault with pseudo dvc when HBA driver uninstalled
                    - Provide a method to disable setting density on open
1.50.0 01/25/2011   - Reduce size of kernel mem allocs to avoid alloc failure
                    - Support for get/set block-level data protection (3592-E07)
1.49.0 12/15/2010   - Support for RHEL 6
                    - Implementation of partitioning for 3592-E07
                    - Fix for CPF error due to incorrect sense data returned
1.48.0 11/11/2010   - Return correct mt device number from MTDEVICE IOCTL
1.47.0 11/10/2010   - Fix for host hang in ERP
1.46.0 11/03/2010   - Fix for drives becoming unavailable after software reset
1.45.0 10/26/2010   - Fix CPF failure with cable pull before IO
1.44.0 10/18/2010   - Fix for crash when drive is reset during tape ops (zLinux)
1.43.0 10/01/2010   - Fix for crash when drive is reset during tape ops (pLinux)
1.42.0 07/20/2010   - Reduce size of stchgp_s struct to match user space struct
1.41.1 06/24/2010   - Fix for memory leak/crash in SLES 11 sp1
1.40.0 06/02/2010   - Increased page order on read-write in SLES 11 sp1
                    - Fixed infinite read loop on read failure
1.39.0 05/06/2010   - Support for SLES 11 SP 1
1.38.0 04/13/2010   - LTO 5 extended postitioning IOCTLs
                    - Release descriptor lock before IO on init to avoid hang
1.37.0 03/15/2010   - Set Dynamic Runtime Attributes
                    - Removed persistent naming script in favor of new method 
                    - Fix for duplicate changers in /proc/scsi/IBMchanger
1.36.0 03/02/2010   - Failover changes to support WORM and Data Safe Mode
                    - Fix for EFAULT (Bad address) error on read
1.35.0 02/19/2010   - Fix for corruption on std write followed by passthru read
1.34.0 02/15/2010   - Fix for I/O errors on zLinux, LTO 5
1.33.0 02/02/2010   - LTO 5 updates
1.32.0 12/30/2009   - Failover fixes
1.31.1 12/04/2009   - LTO 5 partitioning IOCTLs
                    - Fixes for SLES 11 failover
1.30.0 11/20/2009   - lin_taped multiple pid fix
1.29.0 10/26/2009   - SLES 11 failover implementation
1.28.0 09/02/2009   - SLES 11 device removal/reinitialization fix
1.27.0 08/25/2009   - Fix for failover failure error on SLES 10 & RHEL 4
1.26.2 08/04/2009   - Fix for crashes on RHEL 4.7 and SLES 11
1.25.0 06/23/2009   - Fix for scatter-gather page offset bug on PPC64 SLES11
                    - Added IOCTLs for persistent reserve
1.24.0 02/23/2009   - Support for SLES 11, kernel 2.6.27
                    - Fix for CPF configuration bug introduced in 1.23.0
1.23.0 01/19/2009   - CPF crash fix: cable pull/uninstall/reinstall sequence
                    - Boundary check for max failover paths
1.22.0 11/25/2008   - Fix for crash in RHEL 4.7
                    - Updates for kernels >= 2.6.24
                    - DPF crash fix: cable pull/uninstall/reinstall sequence
1.21.0 10/23/2008   - Reserve logging 
                    - Add "primary_path" parameter for udev
1.20.0 10/15/2008   - read_cartridge_location to block transfers into at most
                      600 elements
1.19.0 09/15/2008   - IBMtapeutil fix for read_cartridge_location
1.18.0 08/22/2008   - Fix for struct device attribute in kernels >= 2.6.13
1.17.0 08/06/2008   - Add udev "dev" file for medium changers in
                      kernels < 2.6.5 or > 2.6.15
1.16.0 06/27/2008   - Change GFP_ATOMIC allocations to GFP_KERNEL
                    - Support for the 3592-E06
                    - Fix lin_taped restart crash after failback
1.15.0 05/21/2008   - Release source RPM
                    - Update 3572 inquiry string to 3572-TL
1.14.0 04/30/2008   - Make module parameters read/writable
                    - Fix for CPF key check on CVT
1.13.0 03/27/2008   - Support for 3572
1.12.1 03/07/2008   - Fixed hang introduced in 1.12.0
1.12.0 02/26/2008   - Created "dev" file in sysfs class directory for
                      udev & udevinfo support
                    - Changed 3592 (E05) references to support models beyond E05
1.11.0 12/11/2007   - Fixed seg fault when a logical dvc is accidentally removed
                    - Fixed return code for SIOC_PASS_THROUGH   
                    - Implemented read cartridge location IOCTL 
                    - Removed WWNN filter check for DPF entitlement  
1.10.0 10/01/2007   - Increaded timeout for best path selection
                    - Fixed delete_parms_on_device() for failover
                    - Fixed return code for SIOC_PASS_THROUGH     
                    - Fixed maximum scsi transfer size for
                    - running on RHEL5/SLES10 SP1 on IA64 
                    - Increased max log sense length
1.9.0 08/20/2007    - Added persistent naming support for RHEL5 and SLES10
                    - Increased maximum supported tape drives from 256 to 1024
1.8.0 07/26/2007    - Support LTO4 HH
1.7.1 08/06/2007    - Fixed max scsi transfer size for RHEL5 on System Z
1.7.0 07/03/2007    - Fix max scsi transfer size and sg for RHEL5 and SLES10 SP1
                    - Added MODULE_VERSION and MODULE_PARM_DESC for driver parms
                    - Added warning message to syslog if release fails on close
                    - Added wait_on_config driver parameter
                    - Removed unnecessary messages from lin_tape.errorlog
                    - Fixed 3592 density recovery on failover
1.6.0 05/22/2007    - Remove registered key if persistent reservation
                      preemption fails during failover
                    - Fixed read memory allocation on fixed block size
1.5.0 04/30/2007    - Fixed the residual count for RHEL5
                    - Support SLES10 SP1
1.4.0 04/30/2007    - Removed unwanted debug messages for direct I/O
1.3.0 04/12/2007    - Fix system-managed encryption for LTO4
                    - Support for SIOC_PASS_THROUGH ioctl
                    - Support direct I/O
                    - Add driver attributes default_sys_encryption_proxy/write
1.2.0 04/02/2007    - Support RHEL5
                    - Fix for ENOMEM on medium changer inventory with large
                      number of slots
1.1.0 03/13/2007    - Application-managed encryption now enabled correctly
                    - Fix for crash during CPF (when command never succeeds)
                    - Fix for DPF license key validation for TS3200 library
                    - Fix for daemon crash during data-path failover validation
1.0.9 02/19/2007    - Fix for hang when loading lin_tape 
                    - Fix for hang when removing module on SLES9
1.0.8 02/09/2007    - Fixes for system-managed encryption
                    - Support for LTO4 encryption
                    - Fix for data-path-failover on TS3200
                    - Fix for hang when running stress tests to multiple devices
                    - Support for Asianux 2.0
1.0.7 01/18/2007    - Fix for hang on RHEL4 and SLES9 when loading the driver
1.0.6 01/05/2007    - Support for 3577, LTO4, and system-managed encryption
                    - Support for RHEL4 and SLES9
                    - Fix for crash on read or write to changer
1.0.5 09/29/2006    - Initial release