Cc: Dan (Dan, it seems in the file mentioned in the bug the only change between affected and non-affected verions is yours) Thanks for the report! On Sat, Dec 8, 2018 at 6:41 PM Gert Robben <t2@xxxxxxx> wrote: > > I have an ALIX 2C2 board. > With CONFIG_NET5501=y, I get a kernel bug, after which the system > doesn't start. > When I unset it, no kernel bug, and it starts fine. > It doesn't matter whether CONFIG_ALIX is set or not. > Of course I don't need CONFIG_NET5501, but it is set in (at least) > Debian kernels, and I think it shouldn't influence other systems. > > Linux 4.20-rc5 and 4.19.7 have this problem, 4.18.17 works fine. It would be nice if you can do bisect I googled for some simple beginner's howto and found this https://www.metaltoad.com/blog/beginners-guide-git-bisect-process-elimination it shows also some primitive commands how to work with git. > See below for info. Do you need anything else? > I barely know C or Git, but I'm happy to test patches or other versions. > I am not subscribed to the list. > > Thank you, > Gert > > [ 2.101182] ------------[ cut here ]------------ > [ 2.104671] kernel BUG at arch/x86/mm/pat.c:549! > [ 2.110503] invalid opcode: 0000 [#1] SMP > [ 2.114453] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.20.0-rc5 #1 > [ 2.114453] EIP: reserve_memtype+0x3b/0x470 > [ 2.114453] Code: 8b 7d 14 89 45 dc c7 45 e0 00 00 00 00 c7 45 e8 00 > 00 00 00 89 7d d8 89 4d e4 65 8b 3d 14 00 00 00 89 7d f0 31 ff 39 c8 72 > 05 <0f> 0b 8d 76 00 80 3d 81 3e a1 c6 00 89 c3 75 35 8b 4d d8 85 c9 > [ 2.114453] EAX: ffff0000 EBX: 00000001 ECX: 00000000 EDX: 00000000 > [ 2.114453] ESI: 00010000 EDI: 00000000 EBP: cf0cdeb8 ESP: cf0cde80 > [ 2.114453] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010286 > [ 2.114453] CR0: 80050033 CR2: b7f91c64 CR3: 06b0a000 CR4: 00000090 > [ 2.114453] Call Trace: > [ 2.114453] ? device_add+0x13d/0x650 > [ 2.114453] ? walk_mem_res+0x1f/0x30 > [ 2.114453] __ioremap_caller.constprop.16+0xe3/0x2e0 > [ 2.114453] ? net5501_init+0x36/0xd2 > [ 2.114453] ? alix_init+0x105/0x105 > [ 2.114453] ioremap_nocache+0x15/0x20 > [ 2.114453] ? net5501_init+0x36/0xd2 > [ 2.114453] net5501_init+0x36/0xd2 > [ 2.114453] ? alix_init+0x105/0x105 > [ 2.114453] do_one_initcall+0x42/0x19e > [ 2.114453] ? set_debug_rodata+0x14/0x14 > [ 2.114453] kernel_init_freeable+0x14f/0x1d4 > [ 2.114453] ? rest_init+0xa0/0xa0 > [ 2.114453] kernel_init+0xd/0xf0 > [ 2.114453] ret_from_fork+0x2e/0x38 > [ 2.114453] Modules linked in: > [ 2.231896] ---[ end trace 9489b56624db3c17 ]--- > [ 2.236560] EIP: reserve_memtype+0x3b/0x470 > [ 2.240782] Code: 8b 7d 14 89 45 dc c7 45 e0 00 00 00 00 c7 45 e8 00 > 00 00 00 89 7d d8 89 4d e4 65 8b 3d 14 00 00 00 89 7d f0 31 ff 39 c8 72 > 05 <0f> 0b 8d 76 00 80 3d 81 3e a1 c6 00 89 c3 75 35 8b 4d d8 85 c9 > [ 2.259565] EAX: ffff0000 EBX: 00000001 ECX: 00000000 EDX: 00000000 > [ 2.265865] ESI: 00010000 EDI: 00000000 EBP: cf0cdeb8 ESP: c6b0e39c > [ 2.272169] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010286 > [ 2.278994] CR0: 80050033 CR2: b7f91c64 CR3: 06b0a000 CR4: 00000090 > [ 2.285355] Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > [ 2.289273] Kernel Offset: 0x5000000 from 0xc1000000 (relocation > range: 0xc0000000-0xd07fffff) > [ 2.289273] ---[ end Kernel panic - not syncing: Attempted to kill > init! exitcode=0x0000000b ]--- > > /proc/version: > Linux version 4.20.0-rc5 (gert@d.localdomain) (gcc version 6.3.0 > 20170516 (Debian 6.3.0-18+deb9u1)) #4 SMP Sat Dec 8 15:23:23 CET 2018 > > /proc/cpuinfo: > processor : 0 > vendor_id : AuthenticAMD > cpu family : 5 > model : 10 > model name : Geode(TM) Integrated Processor by AMD PCS > stepping : 2 > cpu MHz : 498.022 > cache size : 128 KB > physical id : 0 > siblings : 1 > core id : 0 > cpu cores : 1 > apicid : 0 > initial apicid : 0 > fdiv_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 1 > wp : yes > flags : fpu de pse tsc msr cx8 sep pge cmov clflush mmx mmxext 3dnowext > 3dnow cpuid 3dnowprefetch vmmcall > bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass > bogomips : 996.04 > clflush size : 32 > cache_alignment : 32 > address sizes : 32 bits physical, 32 bits virtual > power management: > > /proc/ioports: > 0000-001f : dma1 > 0020-0021 : pic1 > 0040-0043 : timer0 > 0050-0053 : timer1 > 0060-0060 : keyboard > 0064-0064 : keyboard > 0070-0071 : rtc_cmos > 0070-0071 : rtc0 > 0080-008f : dma page reg > 00a0-00a1 : pic2 > 00c0-00df : dma2 > 00f0-00ff : fpu > 0170-0177 : 0000:00:0f.2 > 0170-0177 : pata_amd > 01f0-01f7 : 0000:00:0f.2 > 01f0-01f7 : pata_amd > 02f8-02ff : serial > 0376-0376 : 0000:00:0f.2 > 0376-0376 : pata_amd > 03c0-03df : vga+ > 03f6-03f6 : 0000:00:0f.2 > 03f6-03f6 : pata_amd > 03f8-03ff : serial > 0cf8-0cff : PCI conf1 > 1000-10ff : 0000:00:09.0 > 1000-10ff : via-rhine > 1400-14ff : 0000:00:0b.0 > 1400-14ff : via-rhine > 6000-6007 : cs5535-smb > 6000-6007 : 0000:00:0f.0 > 6100-61ff : cs5535-gpio > 6100-61ff : 0000:00:0f.0 > 6100-61ff : cs5535-gpio > 6200-623f : cs5535-mfgpt > 6200-623f : 0000:00:0f.0 > 9c00-9c3f : cs5535-acpi > 9c00-9c3f : 0000:00:0f.0 > 9d00-9d7f : cs5535-pms > 9d00-9d7f : 0000:00:0f.0 > ff00-ff0f : 0000:00:0f.2 > ff00-ff0f : pata_amd > > /proc/iomem: > 00000000-00000fff : Reserved > 00001000-0009ffff : System RAM > 000a0000-000bffff : Video RAM area > 000e0000-000effff : Extension ROM > 000f0000-000fffff : Reserved > 000f0000-000fffff : System ROM > 00100000-0fffffff : System RAM > 06000000-0672d373 : Kernel code > 0672d374-06a183bf : Kernel data > 06b08000-06b78fff : Kernel bss > e0000000-e00000ff : 0000:00:09.0 > e0000000-e00000ff : via-rhine > e0040000-e00400ff : 0000:00:0b.0 > e0040000-e00400ff : via-rhine > efff4000-efff7fff : 0000:00:01.2 > efff4000-efff7fff : geode-aes > efffd000-efffdfff : 0000:00:0f.5 > efffd000-efffdfff : ehci_hcd > efffe000-efffefff : 0000:00:0f.4 > efffe000-efffefff : ohci_hcd > fff00000-ffffffff : Reserved > > lspci -vvv: > lspci: Unable to load libkmod resources: error -12 > 00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode > companion] Host Bridge (rev 31) > Subsystem: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode companion] > Host Bridge > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 248, Cache Line Size: 32 bytes > Region 0: I/O ports at 0000 > > 00:01.2 Entertainment encryption device: Advanced Micro Devices, Inc. > [AMD] Geode LX AES Security Block > Subsystem: Advanced Micro Devices, Inc. [AMD] Geode LX AES Security Block > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 9 > Region 0: Memory at efff4000 (32-bit, non-prefetchable) [size=16K] > Kernel driver in use: Geode LX AES > > 00:09.0 Ethernet controller: VIA Technologies, Inc. VT6105M [Rhine-III] > (rev 96) > Subsystem: VIA Technologies, Inc. VT6105M [Rhine-III] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > Stepping+ SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 32 (750ns min, 2000ns max), Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 10 > Region 0: I/O ports at 1000 [size=256] > Region 1: Memory at e0000000 (32-bit, non-prefetchable) [size=256] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: via-rhine > > 00:0b.0 Ethernet controller: VIA Technologies, Inc. VT6105M [Rhine-III] > (rev 96) > Subsystem: VIA Technologies, Inc. VT6105M [Rhine-III] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > Stepping+ SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 32 (750ns min, 2000ns max), Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 15 > Region 0: I/O ports at 1400 [size=256] > Region 1: Memory at e0040000 (32-bit, non-prefetchable) [size=256] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: via-rhine > > 00:0f.0 ISA bridge: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode > companion] ISA (rev 03) > Subsystem: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode companion] ISA > Control: I/O+ Mem- BusMaster- SpecCycle+ MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Region 0: I/O ports at 6000 [size=8] > Region 1: I/O ports at 6100 [size=256] > Region 2: I/O ports at 6200 [size=64] > Region 3: I/O ports at 0000 > Region 4: I/O ports at 9d00 [size=128] > Region 5: I/O ports at 9c00 [size=64] > Kernel driver in use: cs5535-mfd > > 00:0f.2 IDE interface: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode > companion] IDE (rev 01) (prog-if 80 [ISA Compatibility mode-only > controller, supports bus mastering]) > Subsystem: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode companion] IDE > Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 248, Cache Line Size: 32 bytes > Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8] > Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable) > Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8] > Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable) > Region 4: I/O ports at ff00 [size=16] > Kernel driver in use: pata_amd > > 00:0f.4 USB controller: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode > companion] OHC (rev 02) (prog-if 10 [OHCI]) > Subsystem: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode companion] OHC > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin D routed to IRQ 12 > Region 0: Memory at efffe000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: ohci-pci > > 00:0f.5 USB controller: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode > companion] EHC (rev 02) (prog-if 20 [EHCI]) > Subsystem: Advanced Micro Devices, Inc. [AMD] CS5536 [Geode companion] EHC > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin D routed to IRQ 12 > Region 0: Memory at efffd000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: ehci-pci > > > > scripts/ver_linux, from BUILD system, not affected system: > Linux d.localdomain 4.9.0-8-amd64 #1 SMP Debian 4.9.130-2 (2018-10-27) > x86_64 GNU/Linux > GNU C 6.3.0 > GNU Make 4.1 > Binutils 2.28 > Util-linux 2.29.2 > Mount 2.29.2 > Linux C Library 2.24 > Dynamic linker (ldd) 2.24 > Procps 3.3.12 > Kbd 2.0.3 > Console-tools 2.0.3 > Sh-utils 8.26 > Udev 232 -- With Best Regards, Andy Shevchenko
