Hi, Add addition below. > -----Original Message----- > From: Saarinen, Jani > Sent: Thursday, 27 November 2025 18.02 > To: Borah, Chaitanya Kumar <[email protected]>; > [email protected] > Cc: [email protected]; [email protected]; Kurmi, > Suresh > Kumar <[email protected]>; De Marchi, Lucas > <[email protected]> > Subject: RE: REGRESSION on drm-tip > > Hi, > > > -----Original Message----- > > From: Borah, Chaitanya Kumar <[email protected]> > > Sent: Thursday, 27 November 2025 8.26 > > To: [email protected] > > Cc: [email protected]; [email protected]; > > Saarinen, Jani <[email protected]>; Kurmi, Suresh Kumar > > <[email protected]>; De Marchi, Lucas > > <[email protected]> > > Subject: REGRESSION on drm-tip > > > > Hello Christian, > > > > This is Chaitanya (again!). > > > > This mail is regarding another regression we are seeing in our CI > > runs[1] on drm- tip (with both xe and i915). > > > > `````````````````````````````````````````````````````````````````````` > > ``````````` <4> [157.687644] ------------[ cut here ]------------ <4> > > [157.687768] WARNING: > > CPU: 5 PID: 2277 at kernel/freezer.c:139 > > __set_task_frozen+0x7f/0xb0 > > ... > > <4> [157.687923] PKRU: 55555554 > > <4> [157.687924] Call Trace: > > <4> [157.687925] <TASK> > > <4> [157.687926] ? __pfx___set_task_frozen+0x10/0x10 <4> [157.687929] > > task_call_func+0x6d/0x120 <4> [157.687932] ? > > cgroup_freezing+0x89/0x200 <4> [157.687937] freeze_task+0x98/0x100 > > <4> [157.687940] > > try_to_freeze_tasks+0xd2/0x440 <4> [157.687946] > > freeze_processes+0x56/0xd0 <4> [157.687948] hibernate+0x129/0x4a0 <4> > > [157.687951] state_store+0xd3/0xe0 <4> [157.687954] > > kobj_attr_store+0x12/0x40 <4> [157.687959] sysfs_kf_write+0x4d/0x80 > > <4> [157.687963] kernfs_fop_write_iter+0x188/0x240 <4> [157.687967] > > vfs_write+0x283/0x540 <4> [157.687969] ? > > free_to_partial_list+0x46d/0x640 <4> [157.687976] > > ksys_write+0x6f/0xf0 <4> [157.687980] > > __x64_sys_write+0x19/0x30 <4> [157.687982] x64_sys_call+0x79/0x26a0 > > <4> [157.687984] do_syscall_64+0x93/0xd60 <4> [157.687987] ? > > putname+0x65/0x90 <4> [157.687990] ? kmem_cache_free+0x553/0x680 <4> > > [157.687995] ? putname+0x65/0x90 <4> [157.687997] ? > > putname+0x65/0x90 <4> [157.687999] ? do_sys_openat2+0x8b/0xd0 <4> > [157.688003] ? > > __x64_sys_openat+0x54/0xa0 <4> [157.688007] ? > > do_syscall_64+0x1b7/0xd60 <4> [157.688009] ? __fput+0x1bf/0x2f0 <4> > [157.688012] ? > > fput_close_sync+0x3d/0xa0 <4> [157.688015] ? > > __x64_sys_close+0x3e/0x90 <4> [157.688017] ? do_syscall_64+0x1b7/0xd60 > <4> [157.688019] ? > > putname+0x65/0x90 <4> [157.688021] ? putname+0x65/0x90 <4> > > putname+[157.688023] > > ? do_sys_openat2+0x8b/0xd0 <4> [157.688024] ? __fput+0x1bf/0x2f0 <4> > > [157.688028] ? __x64_sys_openat+0x54/0xa0 <4> [157.688032] ? > > do_syscall_64+0x1b7/0xd60 <4> [157.688034] ? > > do_syscall_64+0x1b7/0xd60 <4> [157.688036] ? irqentry_exit+0x77/0xb0 <4> > [157.688038] ? > > exc_page_fault+0xbd/0x2c0 <4> [157.688042] > > entry_SYSCALL_64_after_hwframe+0x76/0x7e > > <4> [157.688044] RIP: 0033:0x72523c91c574 > > `````````````````````````````````````````````````````````````````````` > > ``````````` > > Details log can be found in [2]. > > > > After bisecting the tree, the following patch [3] seems to be the > > first "bad" commit > > > > `````````````````````````````````````````````````````````````````````` > > ``````````````````````````````````` > > commit a3f8f8662771285511ae26c4c8d3ba1cd22159b9 > > Author: Christian Brauner <[email protected]> > > Date: Wed Nov 5 14:39:45 2025 +0100 > > > > power: always freeze efivarfs > > `````````````````````````````````````````````````````````````````````` > > ``````````````````````````````````` > > > > We also verified that if we revert the patch the issue is not seen. > > Yes, revert works as you see from https://intel-gfx-ci.01.org/tree/drm- > tip/Patchwork_158163v2/index.html?testfilter=suspend Missed, same for Xe https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-158162v1/index.html?testfilter=suspend
Br, Jani > For any fix, post it to intel-gfx and xe and you should get results (if BAT > passes) > > > > Could you please check why the patch causes this regression and provide a > > fix if > necessary? > > > > Thank you. > > > > Regards > > > > Chaitanya > > > > [1] > > https://intel-gfx-ci.01.org/tree/drm-tip/index.html?testfilter=suspend > > [2] > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_17595/shard-mtlp-6/igt > > @[email protected] > > [3] https://gitlab.com/freedesktop-mirror/drm-tip/-> > > /commit/a3f8f8662771285511ae26c4c8d3ba1cd22159b9
