On 12/02/2020 22:36, Stefano Stabellini wrote:
On Wed, 12 Feb 2020, Andrei Cherechesu wrote:
(XEN) DOM1: [ 3.883482] sdhci: Secure Digital Host Controller Interface
driver
(XEN) DOM1: [ 3.891021] sdhci: Copyright(c) Pierre Ossman
(XEN) DOM1: [ 3.896389] sdhci-pltfm: SDHCI platform and OF driver helper
(XEN) DOM1: [ 3.903298] Unhandled fault at 0xffffff800800d048
(XEN) DOM1: [ 3.909021] Mem abort info:
(XEN) DOM1: [ 3.912863] ESR = 0x96000000
(XEN) DOM1: [ 3.917019] Exception class = DABT (current EL), IL = 32 bits
(XEN) DOM1: [ 3.924115] SET = 0, FnV = 0
(XEN) DOM1: [ 3.928206] EA = 0, S1PTW = 0
(XEN) DOM1: [ 3.932457] Data abort info:
(XEN) DOM1: [ 3.936514] ISV = 0, ISS = 0x00000000
(XEN) DOM1: [ 3.941398] CM = 0, WnR = 0
(XEN) DOM1: [ 3.945481] swapper pgtable: 4k pages, 39-bit VAs, pgdp =
(____ptrval____)
(XEN) DOM1: [ 3.953532] [ffffff800800d048] pgd=00000000bfffe803,
pud=00000000bfffe803, pmd=00000000bfffd803, pte=00e80000402f0f07
(XEN) DOM1: [ 3.965278] Internal error: ttbr address size fault: 96000000
[#1] PREEMPT SMP
(XEN) DOM1: [ 3.973546] Modules linked in:
(XEN) DOM1: [ 3.977709] Process swapper/0 (pid: 1, stack limit =
0x(____ptrval____))
(XEN) DOM1: [ 3.985525] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
4.19.59-rt24+g00334f2 #1
(XEN) DOM1: [ 3.993855] pstate: 60000005 (nZCv daif -PAN -UAO)
(XEN) DOM1: [ 3.999755] pc : 0xffffff80083ac864
(XEN) DOM1: [ 4.004354] lr : 0xffffff80083ac810
(XEN) DOM1: [ 4.008955] sp : ffffff800800bba0
(XEN) DOM1: [ 4.013382] x29: ffffff800800bba0 x28: 0000000000000000
(XEN) DOM1: [ 4.019805] x27: ffffff800864f068 x26: ffffff80086ba000
(XEN) DOM1: [ 4.026228] x25: ffffffc031564980 x24: ffffff800856e0c0
(XEN) DOM1: [ 4.032651] x23: ffffffc03e8eec00 x22: ffffffc03e8eec10
(XEN) DOM1: [ 4.039074] x21: ffffffc03e8bf500 x20: ffffffc03e8bf800
(XEN) DOM1: [ 4.045497] x19: 0000000000000000 x18: ffffffffffffffff
(XEN) DOM1: [ 4.051921] x17: 0000000000000000 x16: 0000000000000000
(XEN) DOM1: [ 4.058344] x15: ffffff8008678548 x14: ffffffffffffffff
(XEN) DOM1: [ 4.064767] x13: 0000000000000018 x12: 0101010101010101
(XEN) DOM1: [ 4.071190] x11: 0000000000000020 x10: 0101010101010101
(XEN) DOM1: [ 4.077613] x9 : 0000000000000000 x8 : ffffffc031564c00
(XEN) DOM1: [ 4.084036] x7 : 0000000000000000 x6 : 000000000000003f
(XEN) DOM1: [ 4.090459] x5 : 0000000000000002 x4 : ffffffc03e83b4c0
(XEN) DOM1: [ 4.096883] x3 : 0000000000000000 x2 : 0000000000000000
(XEN) DOM1: [ 4.103306] x1 : ffffffc03e8bf000 x0 : ffffff800800d048
(XEN) DOM1: [ 4.109729] Call trace:
(XEN) DOM1: [ 4.113290] 0xffffff80083ac864
(XEN) DOM1: [ 4.117541] 0xffffff800832e3b8
(XEN) DOM1: [ 4.121795] 0xffffff800832c49c
(XEN) DOM1: [ 4.126047] 0xffffff800832c6bc
(XEN) DOM1: [ 4.130301] 0xffffff800832c808
(XEN) DOM1: [ 4.134554] 0xffffff800832a208
(XEN) DOM1: [ 4.138807] 0xffffff800832bd38
(XEN) DOM1: [ 4.143060] 0xffffff800832b5d8
(XEN) DOM1: [ 4.147314] 0xffffff800832d1f0
(XEN) DOM1: [ 4.151567] 0xffffff800832e318
(XEN) DOM1: [ 4.155820] 0xffffff800861d5f8
(XEN) DOM1: [ 4.160073] 0xffffff800808397c
(XEN) DOM1: [ 4.164326] 0xffffff8008600db4
(XEN) DOM1: [ 4.168580] 0xffffff80085078c0
(XEN) DOM1: [ 4.172833] 0xffffff8008084c30
(XEN) DOM1: [ 4.177091] Code: b9000ea0 d5033e9f f9400ea0 91012000 (b900001f)
(XEN) DOM1: [ 4.184298] ---[ end trace 7dc5f6b878cccbfa ]---
(XEN) DOM1: [ 4.191546] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
I uploaded on pastebin.com the u-boot env settings [0], my device
passthrough partial dts [1], and the whole log of boot messages
from xen, Dom0 and DomU [2].
I don't know for sure what caused the kernel panic you are seeing,
This is mostly likely because Linux is trying to access a region that is
not mapped in stage-2. You can rebuild Xen with debug enabled and you
should see a message "traps.c:..." telling the exact physical address
accessed.
In general I would recommend to build Xen with debug enabled during
development as the hypervisor will give you more information of what's
going on.
Cheers,
--
Julien Grall
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