Re: Linux 4.18-rc7

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On Tue, Jul 31, 2018 at 09:29:22AM -0700, Linus Torvalds wrote:
> On Mon, Jul 30, 2018 at 11:40 PM Amit Pundir <amit.pundir@xxxxxxxxxx> wrote:
> >
> > This ashmem change ^^ worked too.
> 
> Ok, let's go for that one and hope it's the only one.
> 
> John, can I get a proper commit message and sign-off for that ashmem change?
> 
> Kirill - you mentioned that somebody reproduced a problem on x86-64
> too. I didn't see that report. Was that some odd x86 Android setup
> with Ashmem too, or is there something else pending?

I've got report from youling privately:

"mm: fix vma_is_anonymous() false-positives" cause my userspace boot failed,
our Androidx86 userspace can running on linux mainline kernel,
revert it boot succeed with 4.18rc7 kernel.

"mm: fix vma_is_anonymous() false-positives" cause these

07-30 11:04:19.556 1609 1609 F DEBUG : pid: 1304, tid: 1304, name: zygote
>>> zygote <<<
07-30 11:04:19.556 1609 1609 F DEBUG : signal 7 (SIGBUS), code 2
(BUS_ADRERR), fault addr 0x7494d008
07-30 11:04:19.556 1609 1609 F DEBUG : eax 00000000 ebx f337bb68 ecx
000001e0 edx 7494d008
07-30 11:04:19.556 1609 1609 F DEBUG : esi 7494d000 edi 00000000
07-30 11:04:19.556 1609 1609 F DEBUG : xcs 00000023 xds 0000002b xes
0000002b xfs 00000003 xss 0000002b
07-30 11:04:19.556 1609 1609 F DEBUG : eip f40f5c76 ebp ffa8d288 esp
ffa8d238 flags 00010202
07-30 11:04:19.581 1609 1609 F DEBUG :

-------------------------------------------------------------------------

The report also had screenshot attached about system info. It's a Baytrail
tablet with LinageOS, so I believe it's the same issue.

But it's not the only issue unfortunately. Tony reported issue with
booting ia64 with the patch. I have no clue why. I rechecked everything
ia64-specific and looks fine to me. :-/

-- 
 Kirill A. Shutemov




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