- up to 3.0.23

[packages/lin_tape.git] / lin_tape.fixlist

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