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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Thu, 23 Apr 2020 16:47:11 +0530
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Subject: stable-rc 4.14: Internal error: Oops: 96000004 - pc : __pi_strcmp+0x18/0x154
To:     linux- stable <stable@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sasha Levin <sashal@kernel.org>
Cc:     lkft-triage@lists.linaro.org, colin.king@canonical.com,
        open list <linux-kernel@vger.kernel.org>,
        "rafael.j.wysocki" <rafael.j.wysocki@intel.com>,
        freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Arnd Bergmann <arnd@arndb.de>,
        John Stultz <john.stultz@linaro.org>,
        David Airlie <airlied@linux.ie>,
        Brian Masney <masneyb@onstation.org>,
        Jeffrey Hugo <jeffrey.l.hugo@gmail.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        robdclark@gmail.com, linux-arm-msm@vger.kernel.org
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We still notice kernel warnings while booting stable rc 4.14.177-rc1 kernel
on qualcomm dragonboard 410c development board.

[    7.760140] msm_dsi_host_set_src_pll: can't set parent to
byte_clk_src. ret=-22
[    7.763963] msm_dsi_manager_register: failed to register mipi dsi
host for DSI 0
[    7.772434]   EA = 0, S1PTW = 0
[    7.774344] msm 1a00000.mdss: failed to bind 1a98000.dsi (ops
dsi_ops [msm]): -22
[    7.779241] Data abort info:
[    7.789056] msm 1a00000.mdss: master bind failed: -22
[    7.792091] msm_dsi: probe of 1a98000.dsi failed with error -22
[    7.794132]   ISV = 0, ISS = 0x00000004
[    7.802783]   CM = 0, WnR = 0
[    7.809436] user pgtable: 4k pages, 48-bit VAs, pgd = ffff80003b1d7000
[    7.809660] [0000000000000000] *pgd=0000000000000000
[    7.825466] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[    7.825498] Modules linked in: rfkill crc32_ce adv7511 msm(+)
msm_rng mdt_loader drm_kms_helper rng_core drm fuse
[    7.829847] Process systemd-udevd (pid: 2635, stack limit =
0xffff00000f3c0000)
[    7.840261] CPU: 1 PID: 2635 Comm: systemd-udevd Not tainted 4.14.177-rc1 #1
[    7.847391] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
[    7.847397] task: ffff80003b279780 task.stack: ffff00000f3c0000
[    7.847410] pc : __pi_strcmp+0x18/0x154
[    7.866993] lr : platform_match+0xc8/0xe8
[    7.870809] sp : ffff00000f3c3b10 pstate : 40000145
[    7.874975] x29: ffff00000f3c3b10 x28: ffff80003a56a000
[    7.879663] x27: ffff0000081a0578 x26: ffff000000ef98d0
[    7.885219] x25: ffff00000f3c3e50 x24: ffff00000f515000
[    7.890514] x23: ffff0000095c8000 x22: 0000000000000000
[    7.895809] x21: 0000000000000000 x20: ffff000000ef8648
[    7.901104] x19: ffff80003d1998d0 x18: 0000ffff9a0bf0b0
[    7.906398] x17: 0000ffff9a06b6d0 x16: ffff000008160330
[    7.911694] x15: 000000002810bf43 x14: 0000000000000043
[    7.916990] x13: 3a6c6c7030697364 x12: 00000000bcc77e12
[    7.922283] x11: ffff80003b279fb8 x10: 0101010101010101
[    7.927581] x9 : 8efefeff06fefeff x8 : 0000000000000000
[    7.932874] x7 : 0000000000000000 x6 : 0000000000000000
[    7.938172] x5 : 0000000000000100 x4 : 0000000000000000
[    7.943466] x3 : 0000000000000000 x2 : ffff0000087be348
[    7.948761] x1 : ffff000000eed688 x0 : 0000000000000000
[    7.954056] Call trace:
[    7.959354]  __pi_strcmp+0x18/0x154
[    7.970033]  bus_for_each_dev+0x5c/0xa8
[    7.970056]  driver_attach+0x30/0x
[    7.972665]  bus_add_driver+0x1d0/0x240
[    7.976484]  driver_register+0x6c/0x118
[    7.980044]  __platform_driver_register+0x54/0x60
[    7.984103]  msm_drm_register+0x48/0x80 [msm]
[    7.988728]  do_one_initcall+0x44/0x138
[    7.993065]  do_init_module+0x64/0x1d0
[    7.996710]  load_module+0x1d48/0x2518
[    8.000530]  SyS_finit_module+0xb0/0xc8
[    8.004263]  __sys_trace_return+0x0/0x4
[    8.007998] Code: f24008ff 540002e1 f2400807 54000141 (f8408402)
[    8.011820] ---[ end trace 7d6fc616cc3d45e7 ]---

full test log,
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.14-oe/build/v4.14.176-200-gcebd79de8787/testrun/1389032/log
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.14-oe/build/v4.14.176-200-gcebd79de8787/testrun/1389032/
https://lkft.validation.linaro.org/scheduler/job/1389032#L3519

Kernel config:
http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/dragonboard-410c/lkft/linux-stable-rc-4.14/817/config

-- 
Linaro LKFT
https://lkft.linaro.org