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Date: Thu, 13 Jun 2024 19:41:52 +0200
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From: Ronald Warsow <rwarsow@gmx.de>
Subject: Re: [PATCH 6.9 000/157] 6.9.5-rc1 review
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
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UI-OutboundReport: notjunk:1;M01:P0:rBrNqq1dTvQ=;VyyDvWLKb9ztHYoRMlPmteSmdVu
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Hi Greg

...

today I had a crash with 6.9.4, see below
seems not to be reproduceable with 6.9.5-rc1

=3D=3D=3D=3D

the above last sentence is *NOT* true, cause 6.9.5-rc1 show the same
behavior (this time compiled with gcc)

Jun 13 18:49:22 obelix.fritz.box kernel: Hardware name: ASUS System
Product Name/ROG STRIX B560-G GAMING WIFI, BIOS 2203 02/06/2024
Jun 13 18:49:22 obelix.fritz.box kernel: RIP:
0010:drm_suballoc_free+0x13/0x110 [drm_suballoc_helper]
Jun 13 18:49:22 obelix.fritz.box kernel: Code: eb ce 0f 1f 44 00 00 90
90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 85 ff 0f 84 e1 00 00 00
41 54 55 48 89 fd 53 48 89 f3 <4c> 8b 67 20 4c 89 e7 e8 61 53 bd e2 48
85 db 0f 84 9f 00 00 00 48
Jun 13 18:49:22 obelix.fritz.box kernel: RSP: 0018:ffff9caa851f7630
EFLAGS: 00010286
Jun 13 18:49:22 obelix.fritz.box kernel: RAX: fffffffffffffe00 RBX:
0000000000000000 RCX: 000000000000890b
Jun 13 18:49:22 obelix.fritz.box kernel: RDX: 00000000000088fb RSI:
0000000000000000 RDI: fffffffffffffe00
Jun 13 18:49:22 obelix.fritz.box kernel: RBP: fffffffffffffe00 R08:
0000000000000000 R09: 0000000000000001
Jun 13 18:49:22 obelix.fritz.box kernel: R10: 0000000000000000 R11:
0000000000000180 R12: ffff8ebf913c1158
Jun 13 18:49:22 obelix.fritz.box kernel: R13: fffffffffffffe00 R14:
ffff9caa851f78a8 R15: ffff8ebf913c0000
Jun 13 18:49:22 obelix.fritz.box kernel: FS:  00007fd4f4640b00(0000)
GS:ffff8ec2cf980000(0000) knlGS:0000000000000000
Jun 13 18:49:22 obelix.fritz.box kernel: CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jun 13 18:49:22 obelix.fritz.box kernel: CR2: fffffffffffffe20 CR3:
0000000110bc4001 CR4: 0000000000770ef0
Jun 13 18:49:22 obelix.fritz.box kernel: PKRU: 55555554
Jun 13 18:49:22 obelix.fritz.box kernel: Call Trace:
Jun 13 18:49:22 obelix.fritz.box kernel:  <TASK>
Jun 13 18:49:22 obelix.fritz.box kernel:  ? __die_body.cold+0x19/0x2c
Jun 13 18:49:22 obelix.fritz.box kernel:  ? page_fault_oops+0x155/0x280
Jun 13 18:49:22 obelix.fritz.box kernel:  ? search_module_extables+0x10/0x=
50
Jun 13 18:49:22 obelix.fritz.box kernel:  ? search_bpf_extables+0x56/0x80
Jun 13 18:49:22 obelix.fritz.box kernel:  ? exc_page_fault+0x7a/0x80
Jun 13 18:49:22 obelix.fritz.box kernel:  ? asm_exc_page_fault+0x22/0x30
Jun 13 18:49:22 obelix.fritz.box kernel:  ? drm_suballoc_free+0x13/0x110
[drm_suballoc_helper]
Jun 13 18:49:22 obelix.fritz.box kernel:
xe_migrate_update_pgtables+0x692/0x9b0 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  ? kmalloc_trace+0x11f/0x2d0
Jun 13 18:49:22 obelix.fritz.box kernel:  __xe_pt_bind_vma+0x492/0xbe0 [xe=
]
Jun 13 18:49:22 obelix.fritz.box kernel:  xe_vm_bind_vma+0xa6/0x2e0 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  xe_vm_bind+0xf3/0x200 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:
__xe_vma_op_execute+0x278/0x490 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  xe_vm_bind_ioctl+0x1ce0/0x1f20
[xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  ?
__pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  drm_ioctl_kernel+0xa7/0x100 [drm=
]
Jun 13 18:49:22 obelix.fritz.box kernel:  drm_ioctl+0x312/0x5c0 [drm]
Jun 13 18:49:22 obelix.fritz.box kernel:  ?
__pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]
Jun 13 18:49:22 obelix.fritz.box kernel:  __x64_sys_ioctl+0x40d/0xb70
Jun 13 18:49:22 obelix.fritz.box kernel:  do_syscall_64+0x7a/0x160
Jun 13 18:49:22 obelix.fritz.box kernel:  ? __x64_sys_ioctl+0x13e/0xb70
Jun 13 18:49:22 obelix.fritz.box kernel:  ? __count_memcg_events+0x43/0xb0
Jun 13 18:49:22 obelix.fritz.box kernel:  ? handle_mm_fault+0x1f9/0x300
Jun 13 18:49:22 obelix.fritz.box kernel:  ?
syscall_exit_to_user_mode+0x68/0x1e0
Jun 13 18:49:22 obelix.fritz.box kernel:  ? do_syscall_64+0x86/0x160
Jun 13 18:49:22 obelix.fritz.box kernel:  ? clear_bhb_loop+0x45/0xa0
Jun 13 18:49:22 obelix.fritz.box kernel:  ? clear_bhb_loop+0x45/0xa0
Jun 13 18:49:22 obelix.fritz.box kernel:  ? clear_bhb_loop+0x45/0xa0
Jun 13 18:49:22 obelix.fritz.box kernel:
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Jun 13 18:49:22 obelix.fritz.box kernel: RIP: 0033:0x7fd4f4d23d2d
Jun 13 18:49:22 obelix.fritz.box kernel: Code: 04 25 28 00 00 00 48 89
45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48
89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8
64 48 2b 04 25 28 00 00 00
Jun 13 18:49:22 obelix.fritz.box kernel: RSP: 002b:00007fff94738650
EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jun 13 18:49:22 obelix.fritz.box kernel: RAX: ffffffffffffffda RBX:
00007fff94738710 RCX: 00007fd4f4d23d2d
Jun 13 18:49:22 obelix.fritz.box kernel: RDX: 00007fff94738710 RSI:
0000000040886445 RDI: 0000000000000010
Jun 13 18:49:22 obelix.fritz.box kernel: RBP: 00007fff947386a0 R08:
0000000000001000 R09: 0000000000000000
Jun 13 18:49:22 obelix.fritz.box kernel: R10: 0000555a7a0fded0 R11:
0000000000000246 R12: 0000000000000010
Jun 13 18:49:22 obelix.fritz.box kernel: R13: 0000000000000000 R14:
0000555a78671160 R15: 0000555a7a234fa0
Jun 13 18:49:22 obelix.fritz.box kernel:  </TASK>
Jun 13 18:49:22 obelix.fritz.box kernel: Modules linked in:
vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm nft_fib_inet
nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4
nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables bnep iwlmvm mac80211
libarc4 snd_hda_codec_hdmi intel_rapl_common kvm_intel iwlwifi
snd_hda_codec_realtek kvm btusb snd_hda_codec_generic btintel
snd_hda_scodec_component bluetooth snd_hda_intel cfg80211
snd_intel_dspcfg snd_hda_codec snd_hda_core mei_hdcp mei_pxp rfkill
nfnetlink xe drm_ttm_helper ttm agpgart i2c_algo_bit gpu_sched drm_buddy
drm_suballoc_helper drm_gpuvm drm_exec drm_display_helper drm_kms_helper d=
rm
Jun 13 18:49:22 obelix.fritz.box kernel: CR2: fffffffffffffe20
Jun 13 18:49:22 obelix.fritz.box kernel: ---[ end trace 0000000000000000
]---
Jun 13 18:49:22 obelix.fritz.box kernel: RIP:
0010:drm_suballoc_free+0x13/0x110 [drm_suballoc_helper]
Jun 13 18:49:22 obelix.fritz.box kernel: Code: eb ce 0f 1f 44 00 00 90
90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 85 ff 0f 84 e1 00 00 00
41 54 55 48 89 fd 53 48 89 f3 <4c> 8b 67 20 4c 89 e7 e8 61 53 bd e2 48
85 db 0f 84 9f 00 00 00 48
Jun 13 18:49:22 obelix.fritz.box kernel: RSP: 0018:ffff9caa851f7630
EFLAGS: 00010286
Jun 13 18:49:22 obelix.fritz.box kernel: RAX: fffffffffffffe00 RBX:
0000000000000000 RCX: 000000000000890b
Jun 13 18:49:22 obelix.fritz.box kernel: RDX: 00000000000088fb RSI:
0000000000000000 RDI: fffffffffffffe00
Jun 13 18:49:22 obelix.fritz.box kernel: RBP: fffffffffffffe00 R08:
0000000000000000 R09: 0000000000000001
Jun 13 18:49:22 obelix.fritz.box kernel: R10: 0000000000000000 R11:
0000000000000180 R12: ffff8ebf913c1158
Jun 13 18:49:22 obelix.fritz.box kernel: R13: fffffffffffffe00 R14:
ffff9caa851f78a8 R15: ffff8ebf913c0000
Jun 13 18:49:22 obelix.fritz.box kernel: FS:  00007fd4f4640b00(0000)
GS:ffff8ec2cf980000(0000) knlGS:0000000000000000
Jun 13 18:49:22 obelix.fritz.box kernel: CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jun 13 18:49:22 obelix.fritz.box kernel: CR2: fffffffffffffe20 CR3:
0000000110bc4001 CR4: 0000000000770ef0
Jun 13 18:49:22 obelix.fritz.box kernel: PKRU: 55555554
Jun 13 18:49:22 obelix.fritz.box kernel: note: Xorg[3657] exited with
irqs disabled