Public bug reported:
With 5 v6.13-rc1 commits , also backported to v6.12.5, v6.6.69, v6.1.120, some
(at least AMD Strix Halo) devices may experience unexpected reboots while
starting GUI session every boot:
* 689275140cb8e drm/amdgpu/hdp7.0: do a posting read when flushing HDP
* abe1cbaec6cfe drm/amdgpu/hdp6.0: do a posting read when flushing HDP
* f756dbac1ce1d drm/amdgpu/hdp5.2: do a posting read when flushing HDP
* cf424020e040b drm/amdgpu/hdp5.0: do a posting read when flushing HDP
* c9b8dcabb52af drm/amdgpu/hdp4.0: do a posting read when flushing HDP
The fixes are available in v5.15-rc6, also backported to v6.14.7, v6.12.29,
v6.6.91, v6.1.139:
* 5a11a27677311 drm/amdgpu/hdp7: use memcfg register to post the write for HDP
flush
* ca28e80abe421 drm/amdgpu/hdp6: use memcfg register to post the write for HDP
flush
* dbc988c689333 drm/amdgpu/hdp5.2: use memcfg register to post the write for
HDP flush
* 0e33e0f339b91 drm/amdgpu/hdp5: use memcfg register to post the write for HDP
flush
* f690e3974755a drm/amdgpu/hdp4: use memcfg register to post the write for HDP
flush
This affects following Ubuntu kernels:
* linux-unstable/questing: latest (currently 6.15.0-2.2)
* linux/plucky: all (currently 6.14.0-22.22)
* linux-oem-6.14/noble: all (currently 6.14.0-1005.5)
* linux/oracular: 6.11.0-20.20 to latest (currently 6.11.0-28.28)
* linux-oem-6.11/noble: 6.11.0-1017.17 to latest (currently 6.11.0-1024.24)
* linux/noble: 6.8.0-58.60 to latest (currently 6.8.0-62.65)
* linux-oem-6.8/noble: 6.8.0-1026.26 to latest (currently 6.8.0-1029.29)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.8 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: Confirmed
** Affects: linux-oem-6.11 (Ubuntu Noble)
Importance: High
Assignee: You-Sheng Yang (vicamo)
Status: In Progress
** Affects: linux-oem-6.14 (Ubuntu Noble)
Importance: High
Assignee: You-Sheng Yang (vicamo)
Status: In Progress
** Affects: linux-oem-6.8 (Ubuntu Noble)
Importance: High
Assignee: You-Sheng Yang (vicamo)
Status: In Progress
** Affects: linux (Ubuntu Oracular)
Importance: Undecided
Status: Confirmed
** Affects: linux-oem-6.11 (Ubuntu Oracular)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.14 (Ubuntu Oracular)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.8 (Ubuntu Oracular)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: Confirmed
** Affects: linux-oem-6.11 (Ubuntu Plucky)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.14 (Ubuntu Plucky)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.8 (Ubuntu Plucky)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Questing)
Importance: Undecided
Status: Confirmed
** Affects: linux-oem-6.11 (Ubuntu Questing)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.14 (Ubuntu Questing)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.8 (Ubuntu Questing)
Importance: Undecided
Status: Invalid
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Oracular)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Questing)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Noble)
Status: New => Confirmed
** Changed in: linux (Ubuntu Oracular)
Status: New => Confirmed
** Changed in: linux (Ubuntu Plucky)
Status: New => Confirmed
** Changed in: linux (Ubuntu Questing)
Status: New => Confirmed
** Also affects: linux-oem-6.8 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided => High
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-oem-6.14 (Ubuntu Noble)
Importance: Undecided => High
** Changed in: linux-oem-6.14 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.14 (Ubuntu Noble)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-oem-6.8 (Ubuntu Noble)
Importance: Undecided => High
** Changed in: linux-oem-6.8 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.8 (Ubuntu Noble)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-oem-6.14 (Ubuntu Oracular)
Status: New => Invalid
** Changed in: linux-oem-6.11 (Ubuntu Oracular)
Status: New => Invalid
** Changed in: linux-oem-6.11 (Ubuntu Questing)
Status: New => Invalid
** Changed in: linux-oem-6.11 (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux-oem-6.14 (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux-oem-6.14 (Ubuntu Questing)
Status: New => Invalid
** Changed in: linux-oem-6.8 (Ubuntu Oracular)
Status: New => Invalid
** Changed in: linux-oem-6.8 (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux-oem-6.8 (Ubuntu Questing)
Status: New => Invalid
** Description changed:
With 5 v6.13-rc1 commits , also backported to v6.12.5, v6.6.69, v6.1.120,
some (at least AMD Strix Halo) devices may experience unexpected reboots while
starting GUI session every boot:
* 689275140cb8e drm/amdgpu/hdp7.0: do a posting read when flushing HDP
* abe1cbaec6cfe drm/amdgpu/hdp6.0: do a posting read when flushing HDP
* f756dbac1ce1d drm/amdgpu/hdp5.2: do a posting read when flushing HDP
* cf424020e040b drm/amdgpu/hdp5.0: do a posting read when flushing HDP
* c9b8dcabb52af drm/amdgpu/hdp4.0: do a posting read when flushing HDP
- The fixes are available in v5.15-rc6, also backported v6.14.7, v6.12.29,
v6.6.91, v6.1.139:
+ The fixes are available in v5.15-rc6, also backported to v6.14.7, v6.12.29,
v6.6.91, v6.1.139:
* 5a11a27677311 drm/amdgpu/hdp7: use memcfg register to post the write for
HDP flush
* ca28e80abe421 drm/amdgpu/hdp6: use memcfg register to post the write for
HDP flush
* dbc988c689333 drm/amdgpu/hdp5.2: use memcfg register to post the write for
HDP flush
* 0e33e0f339b91 drm/amdgpu/hdp5: use memcfg register to post the write for
HDP flush
* f690e3974755a drm/amdgpu/hdp4: use memcfg register to post the write for
HDP flush
This affects following Ubuntu kernels:
- * linux-unstable/questing: 6.15.0-2.2
+ * linux-unstable/questing: latest (currently 6.15.0-2.2)
* linux/plucky: all (currently 6.14.0-22.22)
* linux-oem-6.14/noble: all (currently 6.14.0-1005.5)
* linux/oracular: 6.11.0-20.20 to latest (currently 6.11.0-28.28)
* linux-oem-6.11/noble: 6.11.0-1017.17 to latest (currently 6.11.0-1024.24)
* linux/noble: 6.8.0-58.60 to latest (currently 6.8.0-62.65)
* linux-oem-6.8/noble: 6.8.0-1026.26 to latest (currently 6.8.0-1029.29)
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https://bugs.launchpad.net/bugs/2112462
Title:
Unexpected system reboot at loading GUI session on some AMD platforms
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