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SubjectRe: Linux 6.1-rc1
On 10/17/22 10:39, Linus Torvalds wrote:
> On Mon, Oct 17, 2022 at 5:35 AM Guenter Roeck <linux@roeck-us.net> wrote:
>>
>> Build results:
>> total: 152 pass: 152 fail: 0
>> Qemu test results:
>> total: 490 pass: 420 fail: 70
>
> Strange. You claim zero build failures, but then:
>
>> Build failures
>>
>> Building riscv:defconfig ... failed
>
> so I think your stats may be wrong somehow ;)
>

Puzzled ... the logs show that the builds for riscv[32/64] succeeded
with no error, but a manual build test still shows the failure.

Ah .... the build fails with gcc 11.3.0 / binutils 2.38, but passes
with gcc 11.3.0 / binutils 2.39. I had switched my builders to the
latter last night to fix a problem with powerpc builds. At the same time,
the manual test I just ran still used binutils 2.38.

That is interesting; I didn't expect that the binutils version would
make a difference, but apparently it does. Comparing defconfig:

10c10
< CONFIG_AS_VERSION=23900
---
> CONFIG_AS_VERSION=23800
12c12
< CONFIG_LD_VERSION=23900
---
> CONFIG_LD_VERSION=23800
260d259
< CONFIG_RISCV_DMA_NONCOHERENT=y
297,298d295
< CONFIG_CC_HAS_ZICBOM=y
< CONFIG_RISCV_ISA_ZICBOM=y
4134,4137d4130
< CONFIG_ARCH_HAS_SETUP_DMA_OPS=y
< CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE=y
< CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU=y
< CONFIG_ARCH_HAS_DMA_PREP_COHERENT=y
4140,4142d4132
< CONFIG_DMA_NONCOHERENT_MMAP=y
< CONFIG_DMA_COHERENT_POOL=y
< CONFIG_DMA_DIRECT_REMAP=y

The build failure is only seen with CONFIG_RISCV_ISA_ZICBOM=n,
or in other words with binutils 2.38 or earlier.

>> mips, sparc64
>> -------------
>>
>> All big endian mips tests fail to reset after boot. The problem is
>> caused by commit 72a95859728a ("mfd: syscon: Remove repetition of the
>> regmap_get_val_endian()").
>
> Bah. I had already archived that whole thread as "sorted out", but
> yeah, the revert clearly never made it to me for rc1.
>

Yes, I saw a note along that line. The original reboot failure affected
sparc64 boot tests as well, which is gone now. Maybe some other fix for
the mips problem is in the works ?

> But it should be in the regmap queue (Lee/Andy?), so it is hopefully
> just a temporary thing.
>
> In fact, it looks like all the failures have known fixes. So here's
> hoping that your list will be a whole lot cleaner by rc2.
>
Hopefully yes.

Thanks,
Guenter

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