Re: [PATCH 6.1 00/63] 6.1.111-rc1 review

[Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>]

On Wed, 18 Sept 2024 at 11:49, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Sep 17, 2024 at 08:13:12PM +0530, Naresh Kamboju wrote:
> > On Mon, 16 Sept 2024 at 17:29, Greg Kroah-Hartman
> > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > >
> > > This is the start of the stable review cycle for the 6.1.111 release.
> > > There are 63 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > >
> > > Responses should be made by Wed, 18 Sep 2024 11:42:05 +0000.
> > > Anything received after that time might be too late.
> > >
> > > The whole patch series can be found in one patch at:
> > >         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.111-rc1.gz
> > > or in the git tree and branch at:
> > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.1.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> >
> > The following kernel warnings have been noticed on a Qualcomm db845c device
> > running stable-rc  6.1.111-rc1, 6.6.52-rc1 and 6.10.11-rc1 at boot time.
> >
> > First seen on 6.1.111-rc1
> >   Good: v6.1.110
> >   BAD:  6.1.111-rc1
> >
> > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> >
> > Warning log:
> > --------
> > [    0.000000] Booting Linux on physical CPU 0x0000000000 [0x517f803c]
> > [    0.000000] Linux version 6.1.111-rc1 (tuxmake@tuxmake)
> > (aarch64-linux-gnu-gcc (Debian 13.3.0-5) 13.3.0, GNU ld (GNU Binutils
> > for Debian) 2.43) #1 SMP PREEMPT @1726489583
> > [    0.000000] Machine model: Thundercomm Dragonboard 845c
> > ...
> > [    7.841428] ------------[ cut here ]------------
> > [    7.841431] WARNING: CPU: 4 PID: 492 at
> > drivers/interconnect/core.c:685 __icc_enable
> > (drivers/interconnect/core.c:685 (discriminator 7))
> > [    7.841442] Modules linked in: soundwire_bus(+) venus_core(+)
> > qcom_camss(+) drm_dp_aux_bus bluetooth(+) qcom_stats mac80211(+)
> > videobuf2_dma_sg drm_display_helper i2c_qcom_geni(+) i2c_qcom_cci
> > camcc_sdm845(+) v4l2_mem2mem qcom_q6v5_mss(+) videobuf2_memops
> > reset_qcom_pdc spi_geni_qcom(+) videobuf2_v4l2 phy_qcom_qmp_usb(+)
> > videobuf2_common gpi(+) qcom_rng cfg80211 phy_qcom_qmp_ufs ufs_qcom(+)
> > coresight_stm phy_qcom_qmp_pcie stm_core rfkill slim_qcom_ngd_ctrl
> > qrtr pdr_interface lmh qcom_wdt slimbus icc_osm_l3 qcom_q6v5_pas(+)
> > icc_bwmon llcc_qcom qcom_pil_info qcom_q6v5 qcom_sysmon qcom_common
> > qcom_glink_smem qmi_helpers mdt_loader display_connector
> > drm_kms_helper drm socinfo rmtfs_mem
> > [    7.841494] CPU: 4 PID: 492 Comm: (udev-worker) Not tainted 6.1.111-rc1 #1
> > [    7.841497] Hardware name: Thundercomm Dragonboard 845c (DT)
> > [    7.841499] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > [    7.841502] pc : __icc_enable (drivers/interconnect/core.c:685
> > (discriminator 7))
> > [    7.841505] lr : icc_disable (drivers/interconnect/core.c:708)
> > [    7.841508] sp : ffff800008b23660
> > [    7.841509] x29: ffff800008b23660 x28: ffff800008b23c20 x27: 0000000000000000
> > [    7.841513] x26: ffffdd85da6ea1c0 x25: 0000000000000008 x24: 00000000000f4240
> > [    7.841516] x23: 0000000000000000 x22: ffff46a58b7ca580 x21: 0000000000000001
> > [    7.841519] x20: ffff46a58b7ca5c0 x19: ffff46a58b54a800 x18: 0000000000000000
> > [    7.841522] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> > [    7.841525] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
> > [    7.841528] x11: fefefefefefefeff x10: 0000000000000bf0 x9 : ffffdd85d8c9b0bc
> > [    7.841531] x8 : ffff800008b22f58 x7 : 0000000000000000 x6 : 0000000000024404
> > [    7.841535] x5 : 0000000000000000 x4 : ffff46a58b64b180 x3 : ffffdd85daa5e810
> > [    7.841537] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
> > [    7.841541] Call trace:
> > [    7.841542] __icc_enable (drivers/interconnect/core.c:685 (discriminator 7))
> > [    7.841545] icc_disable (drivers/interconnect/core.c:708)
> > [    7.841547] geni_icc_disable (drivers/soc/qcom/qcom-geni-se.c:862)
> > [    7.841553] spi_geni_runtime_suspend+0x3c/0x4c spi_geni_qcom
> > [    7.841561] pm_generic_runtime_suspend (drivers/base/power/generic_ops.c:28)
> > [    7.841565] __rpm_callback (drivers/base/power/runtime.c:395)
> > [    7.841568] rpm_callback (drivers/base/power/runtime.c:532)
> > [    7.841570] rpm_suspend (drivers/base/power/runtime.c:672)
> > [    7.841572] rpm_idle (drivers/base/power/runtime.c:504 (discriminator 1))
> > [    7.841574] update_autosuspend (drivers/base/power/runtime.c:1662)
> > [    7.841576] pm_runtime_disable_action (include/linux/spinlock.h:401
> > drivers/base/power/runtime.c:1703 include/linux/pm_runtime.h:599
> > drivers/base/power/runtime.c:1517)
> > [    7.841579] devm_action_release (drivers/base/devres.c:720)
> > [    7.841581] release_nodes (drivers/base/devres.c:503)
> > [    7.841583] devres_release_all (drivers/base/devres.c:532)
> > [    7.841585] device_unbind_cleanup (drivers/base/dd.c:531)
> > [    7.841589] really_probe (drivers/base/dd.c:710)
> > [    7.841592] __driver_probe_device (drivers/base/dd.c:785)
> > [    7.841594] driver_probe_device (drivers/base/dd.c:815)
> > [    7.841596] __driver_attach (drivers/base/dd.c:1202)
> > [    7.841598] bus_for_each_dev (drivers/base/bus.c:301)
> > [    7.841600] driver_attach (drivers/base/dd.c:1219)
> > [    7.841602] bus_add_driver (drivers/base/bus.c:618)
> > [    7.841604] driver_register (drivers/base/driver.c:246)
> > [    7.841607] __platform_driver_register (drivers/base/platform.c:868)
> > [    7.841609] spi_geni_driver_init+0x28/0x1000 spi_geni_qcom
> > [    7.841615] do_one_initcall (init/main.c:1298)
> > [    7.841619] do_init_module (kernel/module/main.c:2469)
> > [    7.841623] load_module (kernel/module/main.c:2878)
> > [    7.841625] __do_sys_finit_module (kernel/module/main.c:2978
> > (discriminator 1))
> > [    7.841627] __arm64_sys_finit_module (kernel/module/main.c:2945)
> > [    7.841630] invoke_syscall (arch/arm64/include/asm/current.h:19
> > arch/arm64/kernel/syscall.c:57)
> > [    7.841633] el0_svc_common.constprop.0
> > (arch/arm64/include/asm/daifflags.h:28
> > arch/arm64/kernel/syscall.c:148)
> > [    7.841637] do_el0_svc (arch/arm64/kernel/syscall.c:205)
> > [    7.841639] el0_svc (arch/arm64/include/asm/daifflags.h:28
> > arch/arm64/kernel/entry-common.c:133
> > arch/arm64/kernel/entry-common.c:142
> > arch/arm64/kernel/entry-common.c:638)
> > [    7.841644] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:656)
> > [    7.841647] el0t_64_sync (arch/arm64/kernel/entry.S:585)
> > [    7.841649] ---[ end trace 0000000000000000 ]---
> >
> > Warning Log links,
> > --------
> >  - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.110-64-gdc7da8d6f263/testrun/25159001/suite/log-parser-boot/test/check-kernel-exception-warning-cpu-pid-at-driversinterconnectcorec-__icc_enable/log
> >  - https://lkft.validation.linaro.org/scheduler/job/7868463#L4624
>
> This is odd, any chance you can use 'git bisect' to track down the
> offending change?  There aren't any interconnect patches in here that I
> can see that would cause this, but I might just be not recognizing
> something.

The reported kernel warning is an intermittent problem on the
6.10, 6.6 and 6.1 kernel branches.

Since it is an intermittent kernel warning, it is hard to do git bisect.

- Naresh

> thanks,
>
> greg k-h