On Thu, 20 Jun 2024 at 19:23, David Hildenbrand <david@xxxxxxxxxx> wrote: > > On 20.06.24 15:14, Naresh Kamboju wrote: > > On Thu, 20 Jun 2024 at 17:59, Greg Kroah-Hartman > > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > >> > >> On Thu, Jun 20, 2024 at 05:21:09PM +0530, Naresh Kamboju wrote: > >>> On Wed, 19 Jun 2024 at 18:41, Greg Kroah-Hartman > >>> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > >>>> > >>>> This is the start of the stable review cycle for the 6.9.6 release. > >>>> There are 281 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 Fri, 21 Jun 2024 12:55:11 +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-6.9.6-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-6.9.y > >>>> and the diffstat can be found below. > >>>> > >>>> thanks, > >>>> > >>>> greg k-h > >>> > >>> There are two major issues on arm64 Juno-r2 on Linux stable-rc 6.9.6-rc1 > >>> > >>> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > >>> > >>> 1) > >>> The LTP controllers cgroup_fj_stress test cases causing kernel crash > >>> on arm64 Juno-r2 with > >>> compat mode testing with stable-rc 6.9 kernel. > >>> > >>> In the recent past I have reported this issues on Linux mainline. > >>> > >>> LTP: fork13: kernel panic on rk3399-rock-pi-4 running mainline 6.10.rc3 > >>> - https://lore.kernel.org/all/CA+G9fYvKmr84WzTArmfaypKM9+=Aw0uXCtuUKHQKFCNMGJyOgQ@xxxxxxxxxxxxxx/ > >>> > >>> it goes like this, > >>> Unable to handle kernel NULL pointer dereference at virtual address > >>> ... > >>> Insufficient stack space to handle exception! > >>> end Kernel panic - not syncing: kernel stack overflow > >>> > > How is that related to 6.9.6-rc1? That report is from mainline (6.10.rc3). > > Can you share a similar kernel dmesg output from the issue on 6.9.6-rc1? I request you to use this link for detailed boot log, test log and crash log. - https://lkft.validation.linaro.org/scheduler/job/7687060#L23314 Few more logs related to build artifacts links provided in the original email thread and bottom of this email. crash log: --- [ 0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd033] [ 0.000000] Linux version 6.9.6-rc1 (tuxmake@tuxmake) (aarch64-linux-gnu-gcc (Debian 13.2.0-12) 13.2.0, GNU ld (GNU Binutils for Debian) 2.42) #1 SMP PREEMPT @1718817000 ... [ 1786.336761] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070 [ 1786.345564] Mem abort info: [ 1786.348359] ESR = 0x0000000096000004 [ 1786.352112] EC = 0x25: DABT (current EL), IL = 32 bits [ 1786.357434] SET = 0, FnV = 0 [ 1786.360492] EA = 0, S1PTW = 0 [ 1786.363637] FSC = 0x04: level 0 translation fault [ 1786.368523] Data abort info: [ 1786.371405] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 1786.376900] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 1786.381960] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 1786.387284] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070 [ 1786.387293] Insufficient stack space to handle exception! [ 1786.387296] ESR: 0x0000000096000047 -- DABT (current EL) [ 1786.387302] FAR: 0xffff80008399ffe0 [ 1786.387306] Task stack: [0xffff8000839a0000..0xffff8000839a4000] [ 1786.387312] IRQ stack: [0xffff8000837f8000..0xffff8000837fc000] [ 1786.387319] Overflow stack: [0xffff00097ec95320..0xffff00097ec96320] [ 1786.387327] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 6.9.6-rc1 #1 [ 1786.387338] Hardware name: ARM Juno development board (r2) (DT) [ 1786.387344] pstate: a00003c5 (NzCv DAIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1786.387355] pc : _prb_read_valid (kernel/printk/printk_ringbuffer.c:2109) [ 1786.387374] lr : prb_read_valid (kernel/printk/printk_ringbuffer.c:2183) [ 1786.387385] sp : ffff80008399ffe0 [ 1786.387390] x29: ffff8000839a0030 x28: ffff000800365f00 x27: ffff800082530008 [ 1786.387407] x26: ffff8000834e33b8 x25: ffff8000839a00b0 x24: 0000000000000001 [ 1786.387423] x23: ffff8000839a00a8 x22: ffff8000830e3e40 x21: 0000000000001e9e [ 1786.387438] x20: 0000000000000000 x19: ffff8000839a01c8 x18: 0000000000000010 [ 1786.387453] x17: 72646461206c6175 x16: 7472697620746120 x15: 65636e6572656665 [ 1786.387468] x14: 726564207265746e x13: 3037303030303030 x12: 3030303030303030 [ 1786.387483] x11: 2073736572646461 x10: ffff800083151ea0 x9 : ffff80008014273c [ 1786.387498] x8 : ffff8000839a0120 x7 : 0000000000000000 x6 : 0000000000000e9f [ 1786.387512] x5 : ffff8000839a00c8 x4 : ffff8000837157c0 x3 : 0000000000000000 [ 1786.387526] x2 : ffff8000839a00b0 x1 : 0000000000000000 x0 : ffff8000830e3f58 [ 1786.387542] Kernel panic - not syncing: kernel stack overflow [ 1786.387549] SMP: stopping secondary CPUs [ 1787.510055] SMP: failed to stop secondary CPUs 0,4 [ 1787.510065] Kernel Offset: disabled [ 1787.510068] CPU features: 0x4,00001061,e0100000,0200421b [ 1787.510076] Memory Limit: none [ 1787.680436] ---[ end Kernel panic - not syncing: kernel stack overflow ]--- 1) - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.5-282-g93f303762da5/testrun/24410131/suite/log-parser-test/test/check-kernel-panic/log - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.5-282-g93f303762da5/testrun/24410131/suite/log-parser-test/test/check-kernel-panic-a44367e5836148d6e94412d6de8ab7a0ca37c18d2bfb6a639947ecd2704ad6b1/details/ - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2i6h1Ah6I8CP7ABUzTl9shfaW60 - https://lkft.validation.linaro.org/scheduler/job/7687060#L23314 - Naresh > > -- > Cheers, > > David / dhildenb >