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Date:   Mon, 17 Aug 2020 18:11:32 +0200
From:   Pavel Machek <pavel@....cz>
To:     kernel list <linux-kernel@...r.kernel.org>,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, intel-gfx@...ts.freedesktop.org,
        torvalds@...ux-foundation.org
Subject: 5.9-rc1: graphics regression moved from -next to mainline

Hi!

After about half an hour of uptime, screen starts blinking on thinkpad
x60 and machine becomes unusable.

I already reported this in -next, and now it is in mainline. It is
32-bit x86 system.


								Pavel


Aug 17 17:36:04 amd ovpn-castor[2828]: UDPv4 link local (bound):
[undef]
Aug 17 17:36:04 amd ovpn-castor[2828]: UDPv4 link remote:
[AF_INET]87.138.219.28:1194
Aug 17 17:36:23 amd kernel: BUG: unable to handle page fault for
address: f8601000
Aug 17 17:36:23 amd kernel: #PF: supervisor write access in kernel
mode
Aug 17 17:36:23 amd kernel: #PF: error_code(0x0002) - not-present page
Aug 17 17:36:23 amd kernel: *pdpt = 00000000318f2001 *pde =
0000000000000000
Aug 17 17:36:23 amd kernel: Oops: 0002 [#1] PREEMPT SMP PTI
Aug 17 17:36:23 amd kernel: CPU: 1 PID: 3004 Comm: Xorg Not tainted
5.9.0-rc1+ #86
Aug 17 17:36:23 amd kernel: Hardware name: LENOVO 17097HU/17097HU,
BIOS 7BETD8WW (2.19 ) 03/31
/2011
Aug 17 17:36:23 amd kernel: EIP: eb_relocate_vma+0xcf6/0xf20
Aug 17 17:36:23 amd kernel: Code: e9 ff f7 ff ff c7 85 c0 fd ff ff ed
ff ff ff c7 85 c4 fd ff
ff ff ff ff ff 8b 85 c0 fd ff ff e9 a5 f8 ff ff 8b 85 d0 fd ff ff <c7>
03 01 00 40 10 89 43 04
 8b 85 b4 fd ff ff 89 43 08 e9 9f f7 ff
 Aug 17 17:36:23 amd kernel: EAX: 003c306c EBX: f8601000 ECX: 00847000
 EDX: 00000000
 Aug 17 17:36:23 amd kernel: ESI: 00847000 EDI: 00000000 EBP: f1947c68
 ESP: f19479fc
 Aug 17 17:36:23 amd kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS:
 0068 EFLAGS: 00210246
 Aug 17 17:36:23 amd kernel: CR0: 80050033 CR2: f8601000 CR3: 31a1e000
 CR4: 000006b0
 Aug 17 17:36:23 amd kernel: Call Trace:
 Aug 17 17:36:23 amd kernel: ? i915_vma_pin+0xc5/0x8c0
 Aug 17 17:36:23 amd kernel: ? __mutex_unlock_slowpath+0x2b/0x280
 Aug 17 17:36:23 amd kernel: ? __active_retire+0x7e/0xd0
 Aug 17 17:36:23 amd kernel: ? mutex_unlock+0xb/0x10
 Aug 17 17:36:23 amd kernel: ? i915_vma_pin+0xc5/0x8c0
 Aug 17 17:36:23 amd kernel: ? __lock_acquire.isra.31+0x261/0x530
 Aug 17 17:36:23 amd kernel: ? eb_lookup_vmas+0x1f5/0x9e0
 Aug 17 17:36:23 amd kernel: i915_gem_do_execbuffer+0xaab/0x2780
 Aug 17 17:36:23 amd kernel: ? _raw_spin_unlock_irqrestore+0x27/0x40
 Aug 17 17:36:23 amd kernel: ? __lock_acquire.isra.31+0x261/0x530
 Aug 17 17:36:23 amd kernel: ? __lock_acquire.isra.31+0x261/0x530
 Aug 17 17:36:23 amd kernel: ? kvmalloc_node+0x69/0x70
 Aug 17 17:36:23 amd kernel: i915_gem_execbuffer2_ioctl+0xdd/0x360
 Aug 17 17:36:23 amd kernel: ? i915_gem_execbuffer_ioctl+0x2b0/0x2b0
 Aug 17 17:36:23 amd kernel: drm_ioctl_kernel+0x87/0xd0
 Aug 17 17:36:23 amd kernel: drm_ioctl+0x1f4/0x38b
 Aug 17 17:36:23 amd kernel: ? i915_gem_execbuffer_ioctl+0x2b0/0x2b0
 Aug 17 17:36:23 amd kernel: ? posix_get_monotonic_timespec+0x1c/0x90
 Aug 17 17:36:23 amd kernel: ? ktime_get_ts64+0x7a/0x1e0
 Aug 17 17:36:23 amd kernel: ? drm_ioctl_kernel+0xd0/0xd0
 Aug 17 17:36:23 amd kernel: __ia32_sys_ioctl+0x1ad/0x799
 Aug 17 17:36:23 amd kernel: ? debug_smp_processor_id+0x12/0x20
 Aug 17 17:36:23 amd kernel: ? exit_to_user_mode_prepare+0x4f/0x100
 Aug 17 17:36:23 amd kernel: do_int80_syscall_32+0x2c/0x40
 Aug 17 17:36:23 amd kernel: entry_INT80_32+0x111/0x111
 Aug 17 17:36:23 amd kernel: EIP: 0xb7fbc092
 Aug 17 17:36:23 amd kernel: Code: 00 00 00 e9 90 ff ff ff ff a3 24 00
 00 00 68 30 00 00 00 e9 80 ff ff ff ff a3 e8 ff ff ff 66 90 00 00 00
 00 00 00 00 00 cd 80 <c3> 8d b4 26 00 00 00 00 8d b6 00 00 00 00 8b
 1c 24 c3 8d b4 26 00
 Aug 17 17:36:23 amd kernel: EAX: ffffffda EBX: 0000000a ECX: c0406469
 EDX: bff0ae3c
 Aug 17 17:36:23 amd kernel: ESI: b73aa000 EDI: c0406469 EBP: 0000000a
 ESP: bff0adb4
 Aug 17 17:36:23 amd kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS:
 007b EFLAGS: 00200296
 Aug 17 17:36:23 amd kernel: ? asm_exc_nmi+0xcc/0x2bc
 Aug 17 17:36:23 amd kernel: Modules linked in:
 Aug 17 17:36:23 amd kernel: CR2: 00000000f8601000
 Aug 17 17:36:23 amd kernel: ---[ end trace 2ca9775068bbac06 ]---
 
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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