Re: [next-20150119]regression (mm)?

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On 09:39-20150123, Tyler Baker wrote:
> Hi,
> 
> On 23 January 2015 at 09:27, Nishanth Menon <nm@xxxxxx> wrote:
> > On 16:05-20150120, Kirill A. Shutemov wrote:
> > [..]
> >> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> >> Reported-by: Nishanth Menon <nm@xxxxxx>
> > Just to close on this thread:
> > https://github.com/nmenon/kernel-test-logs/tree/next-20150123 looks good
> > and back to old status. Thank you folks for all the help.
> 
> I just reviewed the boot logs for next-20150123 and there still seems
> to be a related issue. I've been boot testing
> multi_v7_defconfig+CONFIG_ARM_LPAE=y kernel configurations which still
> seem broken.
> 
> For example here are two boots with exynos5250-arndale, one with
> multi_v7_defconfig+CONFIG_ARM_LPAE=y [1] and the other with
> multi_v7_defconfig[2]. You can see the kernel configurations with
> CONFIG_ARM_LPAE=y show the splat:
> 
> [   14.605950] ------------[ cut here ]------------
> [   14.609163] WARNING: CPU: 1 PID: 63 at ../mm/mmap.c:2858
> exit_mmap+0x1b8/0x224()
> [   14.616548] Modules linked in:
> [   14.619553] CPU: 1 PID: 63 Comm: init Not tainted 3.19.0-rc5-next-20150123 #1
> [   14.626713] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
> [   14.632830] [] (unwind_backtrace) from [] (show_stack+0x10/0x14)
> [   14.640473] [] (show_stack) from [] (dump_stack+0x78/0x94)
> [   14.647678] [] (dump_stack) from [] (warn_slowpath_common+0x74/0xb0)
> [   14.655744] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24)
> [   14.664510] [] (warn_slowpath_null) from [] (exit_mmap+0x1b8/0x224)
> [   14.672497] [] (exit_mmap) from [] (mmput+0x40/0xf8)
> [   14.679180] [] (mmput) from [] (flush_old_exec+0x328/0x604)
> [   14.686471] [] (flush_old_exec) from [] (load_elf_binary+0x26c/0x11f4)
> [   14.694715] [] (load_elf_binary) from [] (search_binary_handler+0x98/0x244)
> [   14.703395] [] (search_binary_handler) from []
> (do_execveat_common+0x4dc/0x5bc)
> [   14.712421] [] (do_execveat_common) from [] (do_execve+0x28/0x30)
> [   14.720235] [] (do_execve) from [] (ret_fast_syscall+0x0/0x34)
> [   14.727782] ---[ end trace 5e3ca48b454c7e0a ]---
> [   14.733758] ------------[ cut here ]------------
> 
> Has anyone else tested with CONFIG_ARM_LPAE=y that can confirm my findings?
Uggh... I missed since i was looking at non LPAE omap2plus_defconfig.

Dual A15 OMAP5432 with multi_v7_defconfig + CONFIG_ARM_LPAE=y
https://github.com/nmenon/kernel-test-logs/blob/next-20150123/multi_lpae_defconfig/omap5-evm.txt

Dual A15 DRA7/AM572x with same configuration as above.
https://raw.githubusercontent.com/nmenon/kernel-test-logs/next-20150123/multi_lpae_defconfig/dra7xx-evm.txt
https://github.com/nmenon/kernel-test-logs/blob/next-20150123/multi_lpae_defconfig/am57xx-evm.txt

Single A15 DRA72 with same configuration as above:
https://raw.githubusercontent.com/nmenon/kernel-test-logs/next-20150123/multi_lpae_defconfig/dra72x-evm.txt

You are right. the issue re-appears with LPAE on :(
Apologies on missing that.

> 
> 
> > --
> > Regards,
> > Nishanth Menon
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 
> [1] http://storage.kernelci.org/next/next-20150123/arm-multi_v7_defconfig+CONFIG_ARM_LPAE=y/lab-tbaker/boot-exynos5250-arndale.html
> 
> [2] http://storage.kernelci.org/next/next-20150123/arm-multi_v7_defconfig/lab-tbaker/boot-exynos5250-arndale.html
> 
> Cheers,
> 
> Tyler

-- 
Regards,
Nishanth Menon
--
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