Message-ID: <CADnq5_OuRMgTNtycOr+vOd2pDzENcc1=4WvsQX31dUez0hoNtQ@mail.gmail.com>
Date:   Thu, 24 Sep 2020 16:48:56 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Dirk Gouders <dirk@...ders.net>
Cc:     Felix Kuehling <Felix.Kuehling@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>
Subject: Re: amdgpu: call trace introduced in 5.9-rc1 for Lenovo L14 Renoir

On Wed, Sep 23, 2020 at 3:45 PM Dirk Gouders <dirk@...ders.net> wrote:
>
> Dirk Gouders <dirk@...ders.net> writes:
>
> > Alex Deucher <alexdeucher@...il.com> writes:
> >
> >> On Wed, Sep 23, 2020 at 8:54 AM Dirk Gouders <dirk@...ders.net> wrote:
> >>>
> >>> Dirk Gouders <dirk@...ders.net> writes:
> >>>
> >>> > Hi,
> >>> >
> >>> > I noticed a call trace (attached) when starting my machine (ThinkPad
> >>> > L14).  This machine is new and I am still working on it's
> >>> > configuration but visually noticeable is that scrolling in xterms with
> >>> > SHIFT-PgUp/PgDn is broken.  Using the mouse wheel works.
> >>> >
> >>> > It seems the call trace has been introduced between 5.8 and 5.9-rc1 and
> >>> > I tried to bisect this but always end in situations where I dont't find
> >>> > a bootable commit around the current bisect position.  Mainly the
> >>> > machine then hangs when udevd is started.
> >>>
> >>> I fixed my netconsole setup (had to use a switch instead of the
> >>> ports of a FritzBox) and tried a bisect, again (log below).  With the
> >>> commits between the earliest bad and latest good commits I marked, my
> >>> machine does not boot and hangs very early with the message:
> >>>
> >>>         fb0: switching to amdgpudrmfb from EFI VGA
> >>>
> >>> That was introduced with
> >>>
> >>>         c1cf79ca5ced drm/amdgpu: use IP discovery table for renoir
> >>>
> >>> and ended with a commit that instead produces the call trace
> >>>
> >>>         b6df946ef4b5 drm/amdgpu: fix the nullptr issue as for PWR IP not
> >>>                      existing in discovery table
> >>>
> >>> I was hoping to get further with the bisect but have no idea how to
> >>> avoid the early hangs.
> >>
> >> You can disable use of the IP discovery table by setting
> >> amdgpu.discovery=0 on the kernel command line in grub.
> >
> > I tried that with b770f04ba2ee (next step in bisect), but no success
> > with this option, unfortunately.
> >
> > I'm not using grub but directly booting from UEFI using CONFIG_CMDLINE.
> > Any other option I am using (root, loglevel and netconsole) works as
> > expected and I veryfied that "amdgpu.discovery=0" is included in
> > vmlinux.
>
> Apologies if I'm causing too much noise.
>
> While thinking about this I recalled that I changed amdgpu from modular to
> static when I had problems with netconsole.  I changed it back to
> modular to see if that helps and I get the earlier mentioned hangs later
> in the boot process when udevd starts and netconsole is up working.
> This enables me to inspect boot messages and I tested with
> amdgpu.discovery=0:
>
> 5,175,49060,-;Kernel command line: root=PARTLABEL=system1 amdgpu.discovery=0 loglevel=15 netconsole=...
>
> I'm afraid I now get traces that commit b6df946ef4b5 (drm/amdgpu: fix
> the nullptr issue as for PWR IP not existing in discovery table) is
> fixing (output attached below) and I cannot decide how to continue with
> bisecting...

You get the issue with discovery=0?  You can try skipping that commit
(mark as skip) to finish the bisection.

Alex

>
> Dirk
>
> 1,840,5418458,-;BUG: kernel NULL pointer dereference, address: 0000000000000008
> 1,841,5418472,-;#PF: supervisor read access in kernel mode
> 1,842,5418474,-;#PF: error_code(0x0000) - not-present page
> 6,843,5418476,-;PGD 0 P4D 0
> 4,844,5418480,-;Oops: 0000 [#1] SMP NOPTI
> 4,845,5418483,-;CPU: 3 PID: 744 Comm: udevd Not tainted 5.7.0-rc2-x86_64-01641-gb770f04ba2ee #216
> 4,846,5418486,-;Hardware name: LENOVO 20U50008GE/20U50008GE, BIOS R19ET26W (1.10 ) 06/22/2020
> 4,847,5418559,-;RIP: 0010:nbio_v7_0_get_rev_id+0x9/0x1b [amdgpu]
> 4,848,5418562,-;Code: 5d 41 5d 41 5e e9 9a f0 f9 ff 48 8b 87 e8 5f 01 00 31 d2 8b 70 08 81 c6 c3 00 00 00 e9 9d ef f9 ff 48 8b 87 e8 5f 01 00 31 d2 <8b> 70 08 83 c6 0f e8 89 ef f9 ff c1 e8 18 83 e0 0f c3 49 89 f8 48
> 4,849,5418566,-;RSP: 0018:ffffc900011dba90 EFLAGS: 00010246
> 4,850,5418568,-;RAX: 0000000000000000 RBX: 0000000fffffffe0 RCX: 0000000000000018
> 4,851,5418571,-;RDX: 0000000000000000 RSI: ffffffffa0970e20 RDI: ffff8883f5540000
> 4,852,5418573,-;RBP: ffff8883f5540000 R08: 0000000000000001 R09: 0000000000000000
> 4,853,5418575,-;R10: 0000000000000000 R11: 0000000000000048 R12: 00000000ffffffea
> 4,854,5418577,-;R13: 7fffffffffffffff R14: ffff8883f9486800 R15: ffffc900011dbe98
> 4,855,5418580,-;FS:  00007f750db3dd80(0000) GS:ffff88840ecc0000(0000) knlGS:0000000000000000
> 4,856,5418583,-;CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> 4,857,5418586,-;CR2: 0000000000000008 CR3: 00000003f9728000 CR4: 0000000000340ee0
> 4,858,5418588,-;Call Trace:
> 4,859,5418660,-; soc15_set_ip_blocks+0x105/0x4fd [amdgpu]
> 4,860,5418714,-; amdgpu_device_init+0xcab/0x1862 [amdgpu]
> 4,861,5418720,-; ? __kmalloc+0xb2/0xc4
> 4,862,5418766,-; amdgpu_driver_load_kms+0x41/0x178 [amdgpu]
> 4,863,5418813,-; amdgpu_pci_probe+0x147/0x1c7 [amdgpu]
> 4,864,5418818,-; pci_device_probe+0xc6/0x135
> 4,865,5418822,-; really_probe+0x157/0x2d1
> 4,866,5418825,-; driver_probe_device+0x97/0xcc
> 4,867,5418828,-; device_driver_attach+0x37/0x50
> 4,868,5418830,-; __driver_attach+0x92/0x9a
> 4,869,5418833,-; ? device_driver_attach+0x50/0x50
> 4,870,5418835,-; bus_for_each_dev+0x70/0xa6
> 4,871,5418838,-; bus_add_driver+0x103/0x1b4
> 4,872,5418840,-; driver_register+0x99/0xd2
> 4,873,5418842,-; ? 0xffffffffa09dc000
> 4,874,5418846,-; do_one_initcall+0x8a/0x195
> 4,875,5418849,-; ? kmem_cache_alloc_trace+0x84/0x93
> 4,876,5418852,-; do_init_module+0x56/0x1df
> 4,877,5418855,-; load_module+0x1bf2/0x2107
> 4,878,5418858,-; ? __do_sys_finit_module+0x8f/0xb6
> 4,879,5418860,-; __do_sys_finit_module+0x8f/0xb6
> 4,880,5418863,-; do_syscall_64+0x72/0x7f
> 4,881,5418867,-; entry_SYSCALL_64_after_hwframe+0x44/0xa9
> 4,882,5418870,-;RIP: 0033:0x7f750dc4d919
> 4,883,5418873,-;Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
> f0 ff ff 73 01 c3 48 8b 0d 47 05 0c 00 f7 d8 64 89 01 48
> 4,884,5418878,-;RSP: 002b:00007fff47b3ce28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> 4,885,5418881,-;RAX: ffffffffffffffda RBX: 0000564d79f6cab0 RCX: 00007f750dc4d919
> 4,886,5418883,-;RDX: 0000000000000000 RSI: 0000564d79f4bf30 RDI: 000000000000000d
> 4,887,5418886,-;RBP: 0000000000020000 R08: 0000000000000000 R09: 00007fff47b3cf90
> 4,888,5418888,-;R10: 000000000000000d R11: 0000000000000246 R12: 0000564d79f4bf30
> 4,889,5418890,-;R13: 0000000000000000 R14: 0000564d79f4bc40 R15: 0000564d79f6cab0
> 4,890,5418893,-;Modules linked in: snd_hda_codec_realtek(+) wmi_bmof iwlwifi(+) snd_hda_codec_generic snd_hda_codec_hdmi amdgpu(+) snd_hda_intel cfg80211 snd_i
> ntel_dspcfg snd_hda_codec gpu_sched aesni_intel(+) ttm ccp snd_hda_core sdhci_pci tpm_crb rng_core snd_pcm cqhci sdhci xhci_pci mmc_core drm_kms_helper sha1_ge
> neric snd_timer xhci_hcd thinkpad_acpi(+) i2c_piix4 nvram snd soundcore battery ledtrig_audio rfkill ac video tpm_tis tpm_tis_core tpm wmi acpi_cpufreq pinctrl
> _amd button efivarfs
> 4,891,5418914,-;CR2: 0000000000000008
> 4,892,5418917,-;---[ end trace 3112fb5c01e68aa6 ]---
> 4,893,5418967,-;RIP: 0010:nbio_v7_0_get_rev_id+0x9/0x1b [amdgpu]
> 4,894,5418970,-;Code: 5d 41 5d 41 5e e9 9a f0 f9 ff 48 8b 87 e8 5f 01 00 31 d2 8b 70 08 81 c6 c3 00 00 00 e9 9d ef f9 ff 48 8b 87 e8 5f 01 00 31 d2 <8b> 70 08 83 c6 0f e8 89 ef f9 ff c1 e8 18 83 e0 0f c3 49 89 f8 48
> 4,895,5418974,-;RSP: 0018:ffffc900011dba90 EFLAGS: 00010246
> 4,896,5418976,-;RAX: 0000000000000000 RBX: 0000000fffffffe0 RCX: 0000000000000018
> 4,897,5418979,-;RDX: 0000000000000000 RSI: ffffffffa0970e20 RDI: ffff8883f5540000
> 4,898,5418981,-;RBP: ffff8883f5540000 R08: 0000000000000001 R09: 0000000000000000
> 4,899,5418983,-;R10: 0000000000000000 R11: 0000000000000048 R12: 00000000ffffffea
> 4,900,5418985,-;R13: 7fffffffffffffff R14: ffff8883f9486800 R15: ffffc900011dbe98
> 4,901,5418988,-;FS:  00007f750db3dd80(0000) GS:ffff88840ecc0000(0000) knlGS:0000000000000000
> 4,902,5418990,-;CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> 4,903,5418992,-;CR2: 0000000000000008 CR3: 00000003f9728000 CR4: 0000000000340ee0
> 28,904,5419847,-;udevd[689]: worker [744] terminated by signal 9 (Killed)
> 27,905,5419862,-;udevd[689]: worker [744] failed while handling '/devices/pci0000:00/0000:00:08.1/0000:06:00.0'
>
>
> > Dirk
> >
> >>
> >> Alex
> >>
> >>
> >>>
> >>> Dirk
> >>>
> >>> = bisect log ===========================================================
> >>> git bisect start
> >>> # bad: [9123e3a74ec7b934a4a099e98af6a61c2f80bbf5] Linux 5.9-rc1
> >>> git bisect bad 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
> >>> # good: [bcf876870b95592b52519ed4aafcf9d95999bc9c] Linux 5.8
> >>> git bisect good bcf876870b95592b52519ed4aafcf9d95999bc9c
> >>> # bad: [8186749621ed6b8fc42644c399e8c755a2b6f630] Merge tag
> >>> 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
> >>> git bisect bad 8186749621ed6b8fc42644c399e8c755a2b6f630
> >>> # good: [2324d50d051ec0f14a548e78554fb02513d6dcef] Merge tag 'docs-5.9' of git://git.lwn.net/linux
> >>> git bisect good 2324d50d051ec0f14a548e78554fb02513d6dcef
> >>> # bad: [54d44bfc56308d105b0da37392d8398bdc9d4745] drm/nouveau/nvif:
> >>> give every disp object a human-readable identifier
> >>> git bisect bad 54d44bfc56308d105b0da37392d8398bdc9d4745
> >>> # bad: [9555152beb1143c85c03f9b9de59863cbbe89f4b] Merge tag
> >>> 'amd-drm-next-5.9-2020-07-01' of
> >>> git://people.freedesktop.org/~agd5f/linux into drm-next
> >>> git bisect bad 9555152beb1143c85c03f9b9de59863cbbe89f4b
> >>> # bad: [dfd991794685b1228387214f28630b6e94e56944] drm/amd/display: Not doing bios data pack.
> >>> git bisect bad dfd991794685b1228387214f28630b6e94e56944
> >>> # good: [ba806f98f868ce107aa9c453fef751de9980e4af] drm/radeon: disable AGP by default
> >>> git bisect good ba806f98f868ce107aa9c453fef751de9980e4af
> >>> # good: [97d798b276e94a366dfb03d62bc90d4742ab3a31] drm/amdgpu: simplify ATIF backlight handling
> >>> git bisect good 97d798b276e94a366dfb03d62bc90d4742ab3a31
> >>> # good: [ac4e189a5623579c023c9cf8006422aef2a487b4] drm/amdgpu/gfx10: add navi12 to gfxoff case
> >>> git bisect good ac4e189a5623579c023c9cf8006422aef2a487b4
> >>> # good: [70534d1ee89ceadd03292d0c2da4dd4020189678] drm/amdgpu: simplify raven and renoir checks
> >>> git bisect good 70534d1ee89ceadd03292d0c2da4dd4020189678
> >>> # good: [4541ea81edde6ce9a1d9be082489aca7e8e7e1dc]
> >>> drm/[radeon|amdgpu]: Replace one-element array and use struct_size()
> >>> helper
> >>> git bisect good 4541ea81edde6ce9a1d9be082489aca7e8e7e1dc
> >>> # good: [84034ad4c0c0813c1350b43087eed036066edd5a] drm/amd/display: combine public interfaces into single header
> >>> git bisect good 84034ad4c0c0813c1350b43087eed036066edd5a
> >>> # good: [4f1fad0e9dbd762497df7c79309697ed8b2b6cfc] drm/amd/powerplay: stop thermal IRQs on suspend
> >>> git bisect good 4f1fad0e9dbd762497df7c79309697ed8b2b6cfc
> >>> # good: [4292b0b2026bc10bced32636ea02dd8eed00cea9] drm/amdgpu: clean up discovery testing
> >>> git bisect good 4292b0b2026bc10bced32636ea02dd8eed00cea9
> >>> # bad: [c0838cbee2d05c3eb8a2b5a3d1ce706a73008044] drm/amd/display: Revert "enable plane if plane_status changed"
> >>> git bisect bad c0838cbee2d05c3eb8a2b5a3d1ce706a73008044
> >>> # bad: [651a146526a04993c5bebf0e19cd9256f5e6511d] drm/amdgpu/jpeg: fix race condition issue for jpeg start
> >>> git bisect bad 651a146526a04993c5bebf0e19cd9256f5e6511d
> >>> # bad: [3bda8acd974e362069e291a78c59a10624debc6e] drm/amdgpu/sriov: Add clear vf fw support
> >>> git bisect bad 3bda8acd974e362069e291a78c59a10624debc6e
> >>> # bad: [b6df946ef4b5ae29183b2fdb2d12c381c757b3fb] drm/amdgpu: fix
> >>> the nullptr issue as for PWR IP not existing in discovery table
> >>> git bisect bad b6df946ef4b5ae29183b2fdb2d12c381c757b3fb
> >>> ========================================================================
> >>>
> >>>
> >>> > Please let me know if I can help with further information.
> >>> >
> >>> > Dirk
> >>> >
> >>> > = lspci -vk ============================================================
> >>> >
> >>> > 06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Renoir (rev c3) (prog-if 00 [VGA controller])
> >>> >         Subsystem: Lenovo Renoir
> >>> >         Flags: bus master, fast devsel, latency 0, IRQ 64
> >>> >         Memory at 460000000 (64-bit, prefetchable) [size=256M]
> >>> >         Memory at 470000000 (64-bit, prefetchable) [size=2M]
> >>> >         I/O ports at 1000 [size=256]
> >>> >         Memory at fd300000 (32-bit, non-prefetchable) [size=512K]
> >>> >         Capabilities: [48] Vendor Specific Information: Len=08 <?>
> >>> >         Capabilities: [50] Power Management version 3
> >>> >         Capabilities: [64] Express Legacy Endpoint, MSI 00
> >>> >         Capabilities: [a0] MSI: Enable- Count=1/4 Maskable- 64bit+
> >>> >         Capabilities: [c0] MSI-X: Enable+ Count=4 Masked-
> >>> >         Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
> >>> >         Capabilities: [270] Secondary PCI Express
> >>> >         Capabilities: [2b0] Address Translation Service (ATS)
> >>> >         Capabilities: [2c0] Page Request Interface (PRI)
> >>> >         Capabilities: [2d0] Process Address Space ID (PASID)
> >>> >         Capabilities: [400] Data Link Feature <?>
> >>> >         Capabilities: [410] Physical Layer 16.0 GT/s <?>
> >>> >         Capabilities: [440] Lane Margining at the Receiver <?>
> >>> >         Kernel driver in use: amdgpu
> >>> >         Kernel modules: amdgpu
> >>> >
> >>> > = call trace ===========================================================
> >>> >
> >>> > [    5.181468] amdgpu 0000:06:00.0: amdgpu: SMU is initialized successfully!
> >>> > [    5.182857] [drm] kiq ring mec 2 pipe 1 q 0
> >>> > [    5.183374] ------------[ cut here ]------------
> >>> > [    5.183448] WARNING: CPU: 1 PID: 684 at drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21/rn_clk_mgr.c:716 rn_clk_mgr_construct+0x242/0x389 [amdgpu]
> >>> > [    5.183449] Modules linked in: btusb btrtl btbcm btintel bluetooth ecdh_generic ecc iwlmvm mac80211 libarc4 wmi_bmof crct10dif_pclmul snd_hda_codec_realtek
> >>> > crc32c_intel iwlwifi snd_hda_codec_generic amdgpu(+) tpm_crb snd_hda_codec_hdmi gpu_sched i2c_algo_bit ttm sdhci_pci aesni_intel drm_kms_helper cqhci sdhci ccp
> >>> >  syscopyarea snd_hda_intel sysfillrect tpm_tis snd_intel_dspcfg sysimgblt xhci_pci tpm_tis_core fb_sys_fops r8169 snd_hda_codec mmc_core snd_hda_core xhci_hcd
> >>> > thinkpad_acpi cfg80211 realtek drm snd_pcm rng_core mdio_devres sha1_generic snd_timer nvram libphy i2c_piix4 snd k10temp soundcore ledtrig_audio rfkill tpm hw
> >>> > mon wmi battery ac video backlight pinctrl_amd acpi_cpufreq button efivarfs
> >>> > [    5.183470] CPU: 1 PID: 684 Comm: udevd Not tainted 5.9.0-rc6-x86_64+ #170
> >>> > [    5.183471] Hardware name: LENOVO 20U50008GE/20U50008GE, BIOS R19ET26W (1.10 ) 06/22/2020
> >>> > [    5.183531] RIP: 0010:rn_clk_mgr_construct+0x242/0x389 [amdgpu]
> >>> > [    5.183533] Code: 30 4d 85 c9 74 26 ba 03 00 00 00 83 bc d4 a8 00 00 00 00 89 d6 74 0a 83 bc d4 ac 00 00 00 00 75 40 48 ff ca 48 83 fa ff 75 e1 <0f> 0b 83 7
> >>> > b 20 01 0f 84 13 01 00 00 81 bd e8 00 00 00 ff 14 37 00
> >>> > [    5.183533] RSP: 0018:ffffc9000111f798 EFLAGS: 00010246
> >>> > [    5.183534] RAX: ffff8883fc1d8e00 RBX: ffff8883f925c9c0 RCX: 0000000000000000
> >>> > [    5.183535] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: ffff8883f8da70c8
> >>> > [    5.183535] RBP: ffff8883fe8da000 R08: 0000000000000000 R09: ffff8883f724fc00
> >>> > [    5.183535] R10: 7fc9117fffffffff R11: ffff8883f925c9c0 R12: ffff8883f925c900
> >>> > [    5.183536] R13: ffff8883f5980000 R14: 0000000000000000 R15: 0000000000000001
> >>> > [    5.183537] FS:  00007f9e31a83d80(0000) GS:ffff88840ec40000(0000) knlGS:0000000000000000
> >>> > [    5.183537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> >>> > [    5.183538] CR2: 000055fdf9ec5568 CR3: 00000003fb2b6000 CR4: 0000000000350ee0
> >>> > [    5.183538] Call Trace:
> >>> > [    5.183595]  dc_clk_mgr_create+0x135/0x18b [amdgpu]
> >>> > [    5.183651]  dc_create+0x238/0x5e3 [amdgpu]
> >>> > [    5.183708]  amdgpu_dm_init+0x167/0x1101 [amdgpu]
> >>> > [    5.183762]  dm_hw_init+0xa/0x17 [amdgpu]
> >>> > [    5.183805]  amdgpu_device_init+0x1566/0x1853 [amdgpu]
> >>> > [    5.183811]  ? __kmalloc+0xad/0xbf
> >>> > [    5.183852]  ? amdgpu_driver_load_kms+0x1c/0x17f [amdgpu]
> >>> > [    5.183892]  amdgpu_driver_load_kms+0x41/0x17f [amdgpu]
> >>> > [    5.183959]  amdgpu_pci_probe+0x139/0x1c0 [amdgpu]
> >>> > [    5.183967]  pci_device_probe+0xc6/0x135
> >>> > [    5.183971]  really_probe+0x157/0x32a
> >>> > [    5.183974]  driver_probe_device+0x63/0x97
> >>> > [    5.183976]  device_driver_attach+0x37/0x50
> >>> > [    5.183978]  __driver_attach+0x92/0x9a
> >>> > [    5.183980]  ? device_driver_attach+0x50/0x50
> >>> > [    5.183983]  bus_for_each_dev+0x70/0xa6
> >>> > [    5.183986]  bus_add_driver+0x103/0x1b4
> >>> > [    5.183988]  driver_register+0x99/0xd2
> >>> > [    5.183990]  ? 0xffffffffa0b2f000
> >>> > [    5.183993]  do_one_initcall+0x8a/0x195
> >>> > [    5.183997]  ? kmem_cache_alloc_trace+0x80/0x8f
> >>> > [    5.184002]  do_init_module+0x56/0x1e8
> >>> > [    5.184005]  load_module+0x1c2c/0x2139
> >>> > [    5.184010]  ? __do_sys_finit_module+0x8f/0xb6
> >>> > [    5.184012]  __do_sys_finit_module+0x8f/0xb6
> >>> > [    5.184017]  do_syscall_64+0x5d/0x6a
> >>> > [    5.184021]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> > [    5.184023] RIP: 0033:0x7f9e31b93919
> >>> > [    5.184026] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 47 05 0c 00 f7 d8 64 89 01 48
> >>> > [    5.184028] RSP: 002b:00007fff315a0fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> >>> > [    5.184030] RAX: ffffffffffffffda RBX: 000055fdf9eebde0 RCX: 00007f9e31b93919
> >>> > [    5.184031] RDX: 0000000000000000 RSI: 00007f9e31c6a91d RDI: 0000000000000013
> >>> > [    5.184032] RBP: 0000000000020000 R08: 0000000000000000 R09: 00007fff315a1110
> >>> > [    5.184033] R10: 0000000000000013 R11: 0000000000000246 R12: 00007f9e31c6a91d
> >>> > [    5.184034] R13: 0000000000000000 R14: 000055fdf9ed8060 R15: 000055fdf9eebde0
> >>> > [    5.184037] ---[ end trace a782862b8da91b8d ]---
> >>> _______________________________________________
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> >>> amd-gfx@...ts.freedesktop.org
> >>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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