| .. _skiboot-5.6.0-rc2: |
| |
| skiboot-5.6.0-rc2 |
| ================= |
| |
| skiboot-5.6.0-rc2 was released on Friday May 19th 2017. It is the second |
| release candidate of skiboot 5.6, which will become the new stable release |
| of skiboot following the 5.5 release, first released April 7th 2017. |
| |
| skiboot-5.6.0-rc2 contains all bug fixes as of :ref:`skiboot-5.4.4` |
| and :ref:`skiboot-5.1.19` (the currently maintained stable releases). We |
| do not currently expect to do any 5.5.x stable releases. |
| |
| For how the skiboot stable releases work, see :ref:`stable-rules` for details. |
| |
| The current plan is to cut the final 5.6.0 by May 22nd, with skiboot 5.6.0 |
| being for all POWER8 and POWER9 platforms in op-build v1.17 (Due May 24th). |
| This is a short cycle as this release is mainly targetted towards POWER9 |
| bringup efforts. |
| |
| With skiboot 5.6.0, we are moving to a regular six week release cycle, |
| similar to op-build, but slightly offset to allow for a short stabilisation |
| period. Expected release dates and contents are tracked using GitHub milestone |
| and issues: https://github.com/open-power/skiboot/milestones |
| |
| Over :ref:`skiboot-5.6.0-rc1`, we have the following changes: |
| |
| - hw/i2c: Fix early lock drop |
| |
| When interacting with an I2C master the p8-i2c driver (common to p9) |
| aquires a per-master lock which it holds for the duration of it's |
| interaction with the master. Unfortunately, when |
| p8_i2c_check_initial_status() detects that the master is busy with |
| another transaction it drops the lock and returns OPAL_BUSY. This is |
| contrary to the driver's locking strategy which requires that the |
| caller aquire and drop the lock. This leads to a crash due to the |
| double unlock(), which skiboot treats as fatal. |
| |
| - mambo: Add skiboot/linux symbol lookup |
| |
| Adds the skisym and linsym commands which can be used to find the |
| address of a Linux or Skiboot symbol. To function this requires |
| the user to provide the SKIBOOT_MAP and VMLINUX_MAP environmental |
| variables which indicate which skiboot.map and System.map files |
| should be used. |
| |
| Examples: |
| |
| - Look up a symbol address: :: |
| |
| systemsim % skisym .load_and_boot_kernel |
| 0x0000000030013a08 |
| |
| - Set a breakpoint there: :: |
| |
| systemsim % b [skisym .load_and_boot_kernel] |
| breakpoint set at [0:0]: 0x0000000030013a08 (0x0000000030013A08) Enc:0x7D800026 : mfcr r12 |
| |
| |
| - libstb: Fix build in OpenSSL 1.1 |
| |
| The build failure was as follows: :: |
| |
| [ HOSTCC ] libstb/create-container.c |
| In file included from /usr/include/openssl/asn1.h:24:0, |
| from /usr/include/openssl/ec.h:30, |
| from libstb/create-container.c:36: |
| libstb/create-container.c: In function ‘getSigRaw’: |
| libstb/create-container.c:104:31: error: dereferencing pointer to incomplete |
| type ‘ECDSA_SIG {aka struct ECDSA_SIG_st}’ |
| rlen = BN_num_bytes(signature->r); |
| ^ |