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Re: [Xen-devel] [Bug] panic on xen 4.11.2-pre



On 17.12.2019 11:02, Limitless Green wrote:
> Hello,
> 
> I was asked via IRC to post my issue here. I got the following through 
> the debug interface:
> 
> 
> 0x0000:0x00:0x1f.0x6: ROM: 0x10400 bytes at 0x7ffc7018
> (XEN) Xen version 4.11.2-pre (Debian 4.11.1+92-g6c33308a8d-2) 
> (pkg-xen-devel@xxxxxxxxxxxxxxxxxxxxxxx) (gcc (Debian 8.3.0-7) 8.3.0) debug=n  
> Mon Jun 24 10:10:11 UTC 2019
> (XEN) Bootloader: GRUB 2.02+dfsg1-20
> (XEN) Command line: placeholder loglvl=all guest_loglvl=all com1=115200,8n1 
> console=com1,vga no-real-mode edd=off
> (XEN) Xen image load base address: 0x79e00000
> (XEN) Video information:
> (XEN)  VGA is graphics mode 1360x768, 32 bpp
> (XEN) Disc information:
> (XEN)  Found 0 MBR signatures
> (XEN)  Found 3 EDD information structures
> (XEN) EFI RAM map:
> (XEN)  0000000000000000 - 000000000009f000 (usable)
> (XEN)  000000000009f000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 0000000040000000 (usable)
> (XEN)  0000000040000000 - 0000000040400000 (reserved)
> (XEN)  0000000040400000 - 000000007bcbd000 (usable)
> (XEN)  000000007bcbd000 - 000000007bcbe000 (ACPI NVS)
> (XEN)  000000007bcbe000 - 000000007bcbf000 (reserved)
> (XEN)  000000007bcbf000 - 000000007bd8e000 (usable)
> (XEN)  000000007bd8e000 - 000000007bd8f000 (reserved)
> (XEN)  000000007bd8f000 - 0000000083947000 (usable)
> (XEN)  0000000083947000 - 0000000084717000 (reserved)
> (XEN)  0000000084717000 - 0000000084794000 (ACPI data)
> (XEN)  0000000084794000 - 0000000089834000 (ACPI NVS)
> (XEN)  0000000089834000 - 0000000089eff000 (reserved)
> (XEN)  0000000089eff000 - 0000000089f00000 (usable)
> (XEN)  0000000089f00000 - 000000008f800000 (reserved)
> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)
> (XEN)  00000000fe000000 - 00000000fe011000 (reserved)
> (XEN)  00000000fec00000 - 00000000fec01000 (reserved)
> (XEN)  00000000fee00000 - 00000000fee01000 (reserved)
> (XEN)  00000000ff000000 - 0000000100000000 (reserved)
> (XEN)  0000000100000000 - 000000086c800000 (usable)
> (XEN) ACPI: RSDP 84730000, 0024 (r2 FUJ   )
> (XEN) ACPI: XSDT 847300A8, 00D4 (r1 FUJ    D3644-B1 10600000 AMI     10013)
> (XEN) ACPI: FACP 84750FE8, 0114 (r6 FUJ    D3644-B1 10600000 AMI     10013)
> (XEN) ACPI: DSDT 84730210, 20DD1 (r2 FUJ    D3644-B1 10600000 INTL 20160527)
> (XEN) ACPI: FACS 89833080, 0040
> (XEN) ACPI: APIC 84751100, 0084 (r4 FUJ    D3644-B1 10600000 AMI     10013)
> (XEN) ACPI: FPDT 84751188, 0044 (r1 FUJ    D3644-B1 10600000 AMI     10013)
> (XEN) ACPI: FIDT 847511D0, 009C (r1    FUJ D3644-B1 10600000 AMI     10013)
> (XEN) ACPI: MCFG 84751270, 003C (r1 FUJ    D3644-B1 10600000 MSFT       97)
> (XEN) ACPI: SSDT 847512B0, 1B1C (r2 CpuRef  CpuSsdt     3000 INTL 20160527)
> (XEN) ACPI: SSDT 84752DD0, 31C6 (r2 SaSsdt  SaSsdt      3000 INTL 20160527)
> (XEN) ACPI: HPET 84755F98, 0038 (r1 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: SSDT 84755FD0, 13FD (r2  INTEL xh_cfsd4        0 INTL 20160527)
> (XEN) ACPI: UEFI 847573D0, 0042 (r1 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: LPIT 84757418, 0094 (r1 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: SSDT 847574B0, 27DE (r2 FUJ    PtidDevc     1000 INTL 20160527)
> (XEN) ACPI: SSDT 84759C90, 14E2 (r2 FUJ    TbtTypeC        0 INTL 20160527)
> (XEN) ACPI: DBGP 8475B178, 0034 (r1 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: DBG2 8475B1B0, 0054 (r0 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: DMAR 8475B208, 00C8 (r1 INTEL  EDK2            2       1000013)
> (XEN) ACPI: SSDT 8475B2D0, 0144 (r2 Intel  ADebTabl     1000 INTL 20160527)
> (XEN) ACPI: TPM2 8475B418, 0034 (r4 FUJ    D3644-B1        1 AMI         0)
> (XEN) ACPI: ASF! 8475B450, 00A0 (r32 FUJ    D3644-B1 10600000 AMI   1000013)
> (XEN) ACPI: SSDT 8475B4F0, 01A4 (r2 FUJ    Gabi0002        2 INTL 20160527)
> (XEN) ACPI: SSDT 8475B698, 00BB (r2 FUJ    Gabi0001        2 INTL 20160527)
> (XEN) ACPI: WSMT 8475B758, 0028 (r1 FUJ    D3644-B1 10600000 AMI     10013)
> (XEN) System RAM: 32508MB (33289104kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-000000086c800000
> (XEN) Domain heap initialised
> (XEN) Xen WARN at mm.c:5627
> (XEN) ----[ Xen-4.11.2-pre  x86_64  debug=n   Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e008:[<ffff82d08028e3d0>] ioremap+0xc0/0xd0
> (XEN) RFLAGS: 0000000000010002   CONTEXT: hypervisor
> (XEN) rax: 0000000000000001   rbx: 0000000000000000   rcx: ffff82d08056bc3c
> (XEN) rdx: ffff82d08056ba84   rsi: 0000000000000000   rdi: 0000000000000000
> (XEN) rbp: 0000000000400000   rsp: ffff82d08044fd38   r8:  0000000000001000
> (XEN) r9:  0000000000000001   r10: 0000000000000000   r11: 0000000000000000
> (XEN) r12: ffff82d0803b8000   r13: 0000000100000000   r14: 0000000100000000
> (XEN) r15: ffff82d080423db8   cr0: 0000000080050033   cr4: 00000000000000a0
> (XEN) cr3: 000000007a244000   cr2: 0000000000000000
> (XEN) fsb: 0000000000000000   gsb: 0000000000000000   gss: 0000000000000000
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
> (XEN) Xen code around <ffff82d08028e3d0> (ioremap+0xc0/0xd0):
> (XEN)  0f 1f 84 00 00 00 00 00 <0f> 0b e9 60 ff ff ff 66 0f 1f 84 00 00 00 00 
> 00
> (XEN) Xen stack trace from rsp=ffff82d08044fd38:
> (XEN)    0000000000000000 0000000000000000 00007d2000000000 00000000007efce4
> (XEN)    000000004fffffff ffff82d0803d9682 ffff82d0803b4da0 00000000007efce4
> (XEN)    030005504fffffff ffff82d000201540 ffff82d08026b3a0 00000036000000aa
> (XEN)    00000000007efce4 ffff82d0803e5508 ffff83000009dfb0 ffff83000009df80
> (XEN)    fffffffffffff001 ffff83000009df00 0000000000000019 000000007a1b9601
> (XEN)    0000000000000000 0000000001f44000 ffffffff00000000 000000000086c800
> (XEN)    ffff83000009df80 ffff82d080423bb0 0000000000000001 0000000000000001
> (XEN)    0000000000000001 0000000000000001 0000000000000002 0000000000000002
> (XEN)    0000000000000002 000000000009df80 0000000000589000 0000000000588180
> (XEN)    00000000000001ff 00000000000001ff 0000000000000000 ffffffd080448000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000004
> (XEN)    0000000800000000 000000010000006e 0000000000000003 00000000000002f8
> (XEN)    0000000000000000 0000000000000000 000000003fbcebe0 000000003ff25577
> (XEN)    0000000000000000 000000007a3bbe04 000000007a1b822e ffff82d0802000f3
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN) Xen call trace:
> (XEN)    [<ffff82d08028e3d0>] ioremap+0xc0/0xd0
> (XEN)    [<ffff82d0803d9682>] vesa_init+0x62/0x200
> (XEN)    [<ffff82d08026b3a0>] vesa.c#lfb_flush+0/0x20
> (XEN)    [<ffff82d0803e5508>] __start_xen+0x2408/0x2f80
> (XEN)    [<ffff82d0802000f3>] __high_start+0x53/0x60

I'm pretty sure this one is taken care of in 4.11.3; it looks like your
gfx card has its frame buffer at an address which is a multiple pf 4Gb.
The later crash may then be a result of the earlier issue here. Please
retry with 4.11.3, and in case this still fails please also try with
4.13.0-rc5, if at all possible.

Jan

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