Kernel 5.1

AmigaOne X1000 platform specific issues related to Linux only.

Kernel 5.1

Postby xeno74 » Wed Mar 06, 2019 1:56 pm

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Re: Kernel 5.1

Postby xeno74 » Fri Mar 08, 2019 5:19 pm

Hi All,

Here is the second alpha of kernel 5.1 for testing! :-)

New:


It also includes:

  • X1000: compressed kernel (zImage) and uncompressed kernel (vmlinux)

Download: linux-image-5.1-alpha2-X1000_X5000.tar.gz

Image

Please test the alpha2.

Thanks,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby xeno74 » Sun Mar 10, 2019 12:45 pm

Hi All,

The third alpha of kernel 5.1 is available for testing! :-)

New:


It also includes:

  • X1000: compressed kernel (zImage) and uncompressed kernel (vmlinux)

Download: linux-image-5.1-alpha3-X1000_X5000.tar.gz

Image

Please test the alpha3.

Thanks,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby xeno74 » Mon Mar 11, 2019 1:03 pm

Hi All,

I released the alpha4 for testing today. :-)

New:


It also includes:

  • X1000: compressed kernel (zImage) and uncompressed kernel (vmlinux)

Download: linux-image-5.1-alpha4-X1000_X5000.tar.gz

Image

Please test the alpha4.

Thanks,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby tbreeden » Thu Mar 14, 2019 3:38 am

Download: linux-image-5.1-alpha4-X1000_X5000.tar.gz


5.1-alpha4 is running pretty good on my old X1000 :!:

Tom

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Re: Kernel 5.1

Postby xeno74 » Thu Mar 14, 2019 10:32 am

tbreeden wrote:
5.1-alpha4 is running pretty good on my old X1000 :!:

Tom



Hi Tom,

Many thanks for testing the alpha4! :-)

Cheers,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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xeno74
 
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Re: Kernel 5.1

Postby xeno74 » Thu Mar 14, 2019 2:25 pm

Hi All,

I released the alpha5 of kernel 5.1 for testing today. :-)

New:


Download: linux-image-5.1-alpha5-X1000_X5000.tar.gz

We are very proud, that the official mainline vanilla Linux kernel supports our X1000 out of the box since version 5.0.

Screenshots of Fienix with the alpha5 of kernel 5.1:

Image Image

Please test the alpha5.

Thanks,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby xeno74 » Mon Mar 18, 2019 10:44 am

Hi All,

Linus Torvalds has just closed off the Linux 5.1 kernel merge window and released the RC1 of kernel 5.1 yesterday. I successfully compiled it for testing today.

New:


Download: linux-image-5.1-rc1-X1000_X5000.tar.gz

Screenshot of ubuntu MATE 16.04.6 LTS PowerPC with Mesa 19.0.0 and with the RC1 of kernel 5.1:

Image

Please test it.

Thanks,
Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby xeno74 » Sun Mar 24, 2019 10:50 am

FYI: Bug 109345 - drm-next-2018-12-14 -Linux PPC

Link to the bug report: bugs.freedesktop.org/show_bug.cgi?id=109345

Any ideas to solve the issue?

-- Christian
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Kernel 5.1

Postby xeno74 » Mon Mar 25, 2019 12:43 pm

Error during compiling the RC2:

Code: Select all
  CC      arch/powerpc/mm/slb.o
In file included from ./arch/powerpc/include/asm/book3s/64/mmu.h:39:0,
                 from ./arch/powerpc/include/asm/mmu.h:360,
                 from ./arch/powerpc/include/asm/lppaca.h:36,
                 from ./arch/powerpc/include/asm/paca.h:21,
                 from ./arch/powerpc/include/asm/current.h:16,
                 from ./include/linux/thread_info.h:21,
                 from ./include/asm-generic/preempt.h:5,
                 from ./arch/powerpc/include/generated/asm/preempt.h:1,
                 from ./include/linux/preempt.h:78,
                 from ./include/linux/spinlock.h:51,
                 from ./include/linux/mmzone.h:8,
                 from ./include/linux/gfp.h:6,
                 from ./include/linux/mm.h:10,
                 from ./arch/powerpc/include/asm/cacheflush.h:12,
                 from ./arch/powerpc/include/asm/asm-prototypes.h:16,
                 from arch/powerpc/mm/slb.c:17:
./arch/powerpc/include/asm/book3s/64/mmu-hash.h:584:6: warning: "MAX_PHYSMEM_BITS" is not defined [-Wundef]
 #if (MAX_PHYSMEM_BITS > MAX_EA_BITS_PER_CONTEXT)
      ^
arch/powerpc/mm/slb.c: In function 'slb_allocate_kernel':
arch/powerpc/mm/slb.c:697:37: error: 'MAX_PHYSMEM_BITS' undeclared (first use in this function)
   if ((ea & ~REGION_MASK) > (1UL << MAX_PHYSMEM_BITS))
                                     ^
arch/powerpc/mm/slb.c:697:37: note: each undeclared identifier is reported only once for each function it appears in
scripts/Makefile.build:278: recipe for target 'arch/powerpc/mm/slb.o' failed
make[3]: *** [arch/powerpc/mm/slb.o] Error 1
scripts/Makefile.build:489: recipe for target 'arch/powerpc/mm' failed
make[2]: *** [arch/powerpc/mm] Error 2
/home/christian/Downloads/a/Makefile:1046: recipe for target 'arch/powerpc' failed
make[1]: *** [arch/powerpc] Error 2
Makefile:170: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2


The variable MAX_PHYSMEM_BITS isn't defined. The problem is in the last PowerPC fixes 5.1-3.

Commit log wrote:powerpc/mm: Only define MAX_PHYSMEM_BITS in SPARSEMEM configurations


Problematic fix:

Code: Select all
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index d34ad1657d7b..598cdcdd1355 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -352,7 +352,7 @@ static inline bool strict_kernel_rwx_enabled(void)
 #if defined(CONFIG_SPARSEMEM_VMEMMAP) && defined(CONFIG_SPARSEMEM_EXTREME) &&   \
    defined (CONFIG_PPC_64K_PAGES)
 #define MAX_PHYSMEM_BITS        51
-#else
+#elif defined(CONFIG_SPARSEMEM)
 #define MAX_PHYSMEM_BITS        46
 #endif


The first if statement isn't successfull because the variables CONFIG_SPARSEMEM_EXTREME and CONFIG_PPC_64K_PAGES aren't activated in our kernel configuration. Therefore we need MAX_PHYSMEM_BITS 46 for our Nemo board. Unfortunately CONFIG_SPARSEMEM doesn't exist in the kernel source code so we can't activate it in the kernel config.

I replaced #elif defined(CONFIG_SPARSEMEM) with #else and after that the compiling of the RC2 works again.

I reported this issue to the Linuxppc-dev mailing list today. Link: PowerPC fixes 5.1-3: CONFIG_SPARSEMEM doesn't exist in the kernel source code
http://www.amigalinux.org
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Running Linux on AmigaONEs can require some tinkering.
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