• debian-11.6.0-ppc64el-DVD-1.iso FAIL on Tyan TN71-BP012

    From oliviosu_ppc64el@tutanota.com@21:1/5 to All on Tue Dec 20 00:00:01 2022
    Hello,
    test of "debian-11.6.0-ppc64el-DVD-1.iso"
    installer fail to start, kernel crash.
    Test on Tyan TN71-BP012 (IBM POWER8), the iso was created with dd to USB. (Petitboot (dev.20150810) TN71-BP012 TCGQV04D0011)

    The same kernel work on this computer via upgraded (on SSD) Debian 10 to 11.6 boot entry:
    Debian GNU/Linux, with Linux 5.10.0-20-powerpc64le
    working fine.

    The computer have screen and keyboard.
    Boot was done creating entry in petitboot with:
    selecting sdb (usb device)
    Kernel: /install/vmlinux
    Initrd: /install/initrd.gz

    Then booting it.
    Ipimitool was used to record the output:


    The system is going down NOW!t
    Sent SIGTERM to all processes
    Sent SIGKILL to all processes
    [93018543727,3] OPAL: Trying a CPU re-init with flags: 0x2
    [[    0.000000] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
    [    0.000000] hash-mmu: base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7
    [    0.000000] hash-mmu: base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56
    [    0.000000] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
    [    0.000000] hash-mmu: base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8
    [    0.000000] hash-mmu: base_shift=20: shift=20, sllp=0x0130, avpnm=0x00000000, tlbiel=0, penc=2
    [    0.000000] hash-mmu: base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0
    [    0.000000] hash-mmu: base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3
    [    0.000000] Enabling pkeys with max key count 32
    [    0.000000] Page orders: linear mapping = 24, virtual = 16, io = 12, vmemmap = 24
    [    0.000000] Using 1TB segments
    [    0.000000] hash-mmu: Initializing hash mmu with SLB
    [    0.000000] Linux version 5.10.0-20-powerpc64le (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.158-2 (2022-12-13)
    [    0.000000] Found initrd at 0xc0000000033b0000:0xc0000000042c1452
    [    0.000000] OPAL: Found non-mapped LPC bus on chip 0
    [    0.000000] Using PowerNV machine description
    [    0.000000] ------------[ cut here ]------------
    [    0.000000] opal: OPAL_CONSOLE_FLUSH missing.
    [    0.000000] WARNING: CPU: 56 PID: 0 at arch/powerpc/platforms/powernv/opal.c:528 __opal_flush_console+0x10c/0x120
    [    0.000000] Modules linked in:
    [    0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2
    [    0.000000] NIP:  c0000000000bae9c LR: c0000000000bae98 CTR: c0000000001c9900
    [    0.000000] REGS: c0000000015ab7f0 TRAP: 0700   Not tainted  (5.10.0-20-powerpc64le Debian 5.10.158-2)
    [    0.000000] MSR:  9000000000021033 <SF,HV,ME,IR,DR,RI,LE>  CR: 28024442  XER: 20000000
    [    0.000000] CFAR: c000000000132540 IRQMASK: 1
    [    0.000000] GPR00: c0000000000bae98 c0000000015aba80 c0000000015af900 0000000000000022
    [    0.000000] GPR04: c000000000dbc002 0000000000000002 4f534e4f435f4c41 4853554c465f454c
    [    0.000000] GPR08: 676e697373696d20 c0000000015df900 0000000000000027 9000000000001033
    [    0.000000] GPR12: c0000000001c9900 c000000001780000 c000000001692530 c00000000168ff28
    [    0.000000] GPR16: c000000001402f10 0000000000000000 0000000000000000 c000000001537500
    [    0.000000] GPR20: c000000001692518 c0000000016900e8 c000000001690518 0000000000000000
    [    0.000000] GPR24: 0000000000000001 c0000000016900d8 c0000000015e1fe0 0000000000000000
    [    0.000000] GPR28: 0000000000000001 c00000000175b908 0000000000000000 0000000000000000
    [    0.000000] NIP [c0000000000bae9c] __opal_flush_console+0x10c/0x120 [    0.000000] LR [c0000000000bae98] __opal_flush_console+0x108/0x120 [    0.000000] Call Trace:
    [    0.000000] [c0000000015aba80] [c0000000000bae98] __opal_flush_console+0x108/0x120 (unreliable)
    [    0.000000] [c0000000015abb00] [c0000000000bbcec] opal_flush_console+0x2c/0x1f0
    [    0.000000] [c0000000015abb70] [c000000000857e20] udbg_opal_putc+0xe0/0x140
    [    0.000000] [c0000000015abbc0] [c000000000028a88] udbg_write+0x88/0x150 [    0.000000] [c0000000015abc00] [c0000000001c77c4] console_unlock+0x584/0x840
    [    0.000000] [c0000000015abd80] [c0000000001c7e00] register_console+0x200/0x3c0
    [    0.000000] [c0000000015abe10] [c000000000f19784] register_early_udbg_console+0x94/0xac
    [    0.000000] [c0000000015abe80] [c000000000f19354] setup_arch+0x7c/0x3d4 [    0.000000] BUG: Unable to handle kernel data access on read at 0x88888888888888b0
    [    0.000000] Faulting instruction address: 0xc00000000001a090
    [    0.000000] Oops: Kernel access of bad area, sig: 11 [#1]
    [    0.000000] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV [    0.000000] Modules linked in:
    [    0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2
    [    0.000000] NIP:  c00000000001a090 LR: c00000000001c434 CTR: c00000000001a030
    [    0.000000] REGS: c0000000015ab200 TRAP: 0380   Not tainted  (5.10.0-20-powerpc64le Debian 5.10.158-2)
    [    0.000000] MSR:  9000000000001033 <SF,HV,ME,IR,DR,RI,LE>  CR: 48024443  XER: 20000000
    [    0.000000] CFAR: c00000000001a120 IRQMASK: 1
    [    0.000000] GPR00: c00000000001c434 c0000000015ab490 c0000000015af900 0000000000000001
    [    0.000000] GPR04: c000000001537500 00000000000001e0 c0000000015ab4b8 0000000000003e20
    [    0.000000] GPR08: 8888888888888888 c0000000015abe80 0000000000000000 00000000fffffffa
    [    0.000000] GPR12: c00000000001a030 c000000001780000 c000000001692530 c00000000168ff28
    [    0.000000] GPR16: c000000001402f10 0000000000000000 c0000000015abef0 c000000000dadff8
    [    0.000000] GPR20: c000000000dadfe8 7265677368657265 c000000000dae000 c000000000dae030
    [    0.000000] GPR24: c000000000dae048 c000000001537500 0000000000000000 000000000000003a
    [    0.000000] GPR28: c000000000f19354 c000000000e21598 c0000000015abe80 c000000001537500
    [    0.000000] NIP [c00000000001a090] validate_sp.part.0+0x70/0x110
    [    0.000000] LR [c00000000001c434] show_stack+0x2c4/0x3a0
    [    0.000000] Call Trace:
    [    0.000000] [c0000000015ab490] [c00000000001c420] show_stack+0x2b0/0x3a0 (unreliable)
    [    0.000000] [c0000000015ab570] [c00000000001c8fc] show_regs+0x26c/0x3c0 [    0.000000] [c0000000015ab630] [c0000000001323f4] __warn+0xb4/0x190 [    0.000000] [c0000000015ab6c0] [c00000000077eb40] report_bug+0xc0/0x1a0 [    0.000000] [c0000000015ab750] [c0000000000262f4] program_check_exception+0x1f4/0x330
    [    0.000000] [c0000000015ab780] [c0000000000098c8] program_check_common_virt+0x2e8/0x340
    [    0.000000] --- interrupt: 700 at __opal_flush_console+0x10c/0x120 [    0.000000]     LR = __opal_flush_console+0x108/0x120
    [    0.000000] [c0000000015abb00] [c0000000000bbcec] opal_flush_console+0x2c/0x1f0
    [    0.000000] [c0000000015abb70] [c000000000857e20] udbg_opal_putc+0xe0/0x140
    [    0.000000] [c0000000015abbc0] [c000000000028a88] udbg_write+0x88/0x150 [    0.000000] [c0000000015abc00] [c0000000001c77c4] console_unlock+0x584/0x840
    [    0.000000] [c0000000015abd80] [c0000000001c7e00] register_console+0x200/0x3c0
    [    0.000000] [c0000000015abe10] [c000000000f19784] register_early_udbg_console+0x94/0xac
    [    0.000000] [c0000000015abe80] [c000000000f19354] setup_arch+0x7c/0x3d4 [    0.000000] BUG: Unable to handle kernel data access on read at 0x88888888888888b0
    [    0.000000] Faulting instruction address: 0xc00000000001a090
    [    0.000000] Oops: Kernel access of bad area, sig: 11 [#2]
    [    0.000000] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV [    0.000000] Modules linked in:
    [    0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2
    [    0.000000] NIP:  c00000000001a090 LR: c00000000001c434 CTR: c00000000001a030
    [    0.000000] REGS: c0000000015aabf0 TRAP: 0380   Not tainted  (5.10.0


    Ending like that with kernel Oops.
    If more informations is needed feel free to ask.

    Best regards
    Olivier


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    <div>Hello,<br></div><div dir="auto">test of "debian-11.6.0-ppc64el-DVD-1.iso"<br></div><div dir="auto">installer fail to start, kernel crash.<br></div><div dir="auto">Test on Tyan TN71-BP012 (IBM POWER8), the iso was created with dd to USB.<br></div><
    div dir="auto">(Petitboot (dev.20150810) TN71-BP012 TCGQV04D0011)<br></div><div dir="auto"><br></div><div dir="auto">The same kernel work on this computer via upgraded (on SSD) Debian 10 to 11.6<br></div><div dir="auto">boot entry:<br></div><div dir="
    auto">Debian GNU/Linux, with Linux 5.10.0-20-powerpc64le<br></div><div dir="auto">working fine.<br></div><div dir="auto"><br></div><div dir="auto">The computer have screen and keyboard.<br></div><div dir="auto">Boot was done creating entry in petitboot
    with:<br></div><div dir="auto">selecting sdb (usb device)<br></div><div dir="auto">Kernel: /install/vmlinux<br></div><div dir="auto">Initrd: /install/initrd.gz<br></div><div dir="auto"><br></div><div dir="auto">Then booting it.<br></div><div dir="auto">
    Ipimitool was used to record the output:<br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">The system is going down NOW!t<br></div><div dir="auto">Sent SIGTERM to all processes<br></div><div dir="auto">Sent SIGKILL to all
    processes<br></div><div dir="auto">[93018543727,3] OPAL: Trying a CPU re-init with flags: 0x2<br></div><div dir="auto">[[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0<br></div><div dir="
    auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=
    56<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=16: shift=24, sllp=0x0110, avpnm=
    0x00000000, tlbiel=1, penc=8<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=20: shift=20, sllp=0x0130, avpnm=0x00000000, tlbiel=0, penc=2<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=24: shift=
    24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Enabling
    pkeys with max key count 32<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Page orders: linear mapping = 24, virtual = 16, io = 12, vmemmap = 24<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Using 1TB segments<br></div><div dir="auto">[&
    nbsp;&nbsp;&nbsp; 0.000000] hash-mmu: Initializing hash mmu with SLB<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Linux version 5.10.0-20-powerpc64le (<a href="mailto:debian-kernel@lists.debian.org">debian-kernel@lists.debian.org</a>) (gcc-10 (
    Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.158-2 (2022-12-13)<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Found initrd at 0xc0000000033b0000:0xc0000000042c1452<br></div><div dir="auto">[&nbsp;&
    nbsp;&nbsp; 0.000000] OPAL: Found non-mapped LPC bus on chip 0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Using PowerNV machine description<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] ------------[ cut here ]------------<br></div><
    div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] opal: OPAL_CONSOLE_FLUSH missing.<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] WARNING: CPU: 56 PID: 0 at arch/powerpc/platforms/powernv/opal.c:528 __opal_flush_console+0x10c/0x120<br></div><div dir="
    auto">[&nbsp;&nbsp;&nbsp; 0.000000] Modules linked in:<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] NIP:&
    nbsp; c0000000000bae9c LR: c0000000000bae98 CTR: c0000000001c9900<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] REGS: c0000000015ab7f0 TRAP: 0700&nbsp;&nbsp; Not tainted&nbsp; (5.10.0-20-powerpc64le Debian 5.10.158-2)<br></div><div dir="auto">[&
    nbsp;&nbsp;&nbsp; 0.000000] MSR:&nbsp; 9000000000021033 &lt;SF,HV,ME,IR,DR,RI,LE&gt;&nbsp; CR: 28024442&nbsp; XER: 20000000<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] CFAR: c000000000132540 IRQMASK: 1<br></div><div dir="auto">[&nbsp;&nbsp;&
    nbsp; 0.000000] GPR00: c0000000000bae98 c0000000015aba80 c0000000015af900 0000000000000022<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR04: c000000000dbc002 0000000000000002 4f534e4f435f4c41 4853554c465f454c<br></div><div dir="auto">[&nbsp;&
    nbsp;&nbsp; 0.000000] GPR08: 676e697373696d20 c0000000015df900 0000000000000027 9000000000001033<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR12: c0000000001c9900 c000000001780000 c000000001692530 c00000000168ff28<br></div><div dir="auto">[&
    nbsp;&nbsp;&nbsp; 0.000000] GPR16: c000000001402f10 0000000000000000 0000000000000000 c000000001537500<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR20: c000000001692518 c0000000016900e8 c000000001690518 0000000000000000<br></div><div dir="
    auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR24: 0000000000000001 c0000000016900d8 c0000000015e1fe0 0000000000000000<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR28: 0000000000000001 c00000000175b908 0000000000000000 0000000000000000<br></div><div
    dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] NIP [c0000000000bae9c] __opal_flush_console+0x10c/0x120<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] LR [c0000000000bae98] __opal_flush_console+0x108/0x120<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.
    000000] Call Trace:<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015aba80] [c0000000000bae98] __opal_flush_console+0x108/0x120 (unreliable)<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abb00] [c0000000000bbcec]
    opal_flush_console+0x2c/0x1f0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abb70] [c000000000857e20] udbg_opal_putc+0xe0/0x140<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abbc0] [c000000000028a88] udbg_write+
    0x88/0x150<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abc00] [c0000000001c77c4] console_unlock+0x584/0x840<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abd80] [c0000000001c7e00] register_console+0x200/0x3c0<
    </div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abe10] [c000000000f19784] register_early_udbg_console+0x94/0xac<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abe80] [c000000000f19354] setup_arch+0x7c/0x3d4<br></div>
    <div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] BUG: Unable to handle kernel data access on read at 0x88888888888888b0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Faulting instruction address: 0xc00000000001a090<br></div><div dir="auto">[&nbsp;&
    nbsp;&nbsp; 0.000000] Oops: Kernel access of bad area, sig: 11 [#1]<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Modules linked in:<
    </div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] NIP:&nbsp; c00000000001a090 LR: c00000000001c434 CTR:
    c00000000001a030<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] REGS: c0000000015ab200 TRAP: 0380&nbsp;&nbsp; Not tainted&nbsp; (5.10.0-20-powerpc64le Debian 5.10.158-2)<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] MSR:&nbsp;
    9000000000001033 &lt;SF,HV,ME,IR,DR,RI,LE&gt;&nbsp; CR: 48024443&nbsp; XER: 20000000<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] CFAR: c00000000001a120 IRQMASK: 1<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR00: c00000000001c434
    c0000000015ab490 c0000000015af900 0000000000000001<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR04: c000000001537500 00000000000001e0 c0000000015ab4b8 0000000000003e20<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR08:
    8888888888888888 c0000000015abe80 0000000000000000 00000000fffffffa<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR12: c00000000001a030 c000000001780000 c000000001692530 c00000000168ff28<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000]
    GPR16: c000000001402f10 0000000000000000 c0000000015abef0 c000000000dadff8<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR20: c000000000dadfe8 7265677368657265 c000000000dae000 c000000000dae030<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.
    000000] GPR24: c000000000dae048 c000000001537500 0000000000000000 000000000000003a<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] GPR28: c000000000f19354 c000000000e21598 c0000000015abe80 c000000001537500<br></div><div dir="auto">[&nbsp;&nbsp;&
    nbsp; 0.000000] NIP [c00000000001a090] validate_sp.part.0+0x70/0x110<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] LR [c00000000001c434] show_stack+0x2c4/0x3a0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Call Trace:<br></div><div dir="
    auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015ab490] [c00000000001c420] show_stack+0x2b0/0x3a0 (unreliable)<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015ab570] [c00000000001c8fc] show_regs+0x26c/0x3c0<br></div><div dir="auto">[&
    nbsp;&nbsp;&nbsp; 0.000000] [c0000000015ab630] [c0000000001323f4] __warn+0xb4/0x190<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015ab6c0] [c00000000077eb40] report_bug+0xc0/0x1a0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [
    c0000000015ab750] [c0000000000262f4] program_check_exception+0x1f4/0x330<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015ab780] [c0000000000098c8] program_check_common_virt+0x2e8/0x340<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.
    000000] --- interrupt: 700 at __opal_flush_console+0x10c/0x120<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000]&nbsp;&nbsp;&nbsp;&nbsp; LR = __opal_flush_console+0x108/0x120<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abb00] [
    c0000000000bbcec] opal_flush_console+0x2c/0x1f0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abb70] [c000000000857e20] udbg_opal_putc+0xe0/0x140<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abbc0] [
    c000000000028a88] udbg_write+0x88/0x150<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abc00] [c0000000001c77c4] console_unlock+0x584/0x840<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abd80] [c0000000001c7e00]
    register_console+0x200/0x3c0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abe10] [c000000000f19784] register_early_udbg_console+0x94/0xac<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] [c0000000015abe80] [c000000000f19354]
    setup_arch+0x7c/0x3d4<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] BUG: Unable to handle kernel data access on read at 0x88888888888888b0<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Faulting instruction address: 0xc00000000001a090<br>
    </div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] Oops: Kernel access of bad area, sig: 11 [#2]<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp;
    0.000000] Modules linked in:<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] CPU: 56 PID: 0 Comm: swapper Not tainted 5.10.0-20-powerpc64le #1 Debian 5.10.158-2<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] NIP:&nbsp; c00000000001a090 LR:
    c00000000001c434 CTR: c00000000001a030<br></div><div dir="auto">[&nbsp;&nbsp;&nbsp; 0.000000] REGS: c0000000015aabf0 TRAP: 0380&nbsp;&nbsp; Not tainted&nbsp; (5.10.0<br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Ending like
    that with kernel Oops.<br></div><div dir="auto">If more informations is needed feel free to ask.<br></div><div dir="auto"><br></div><div dir="auto">Best regards<br></div><div dir="auto">Olivier<br></div><div><br></div> </body>
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