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v4.11-rc1 boot time regression

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+Cc: Felipe and missed LKML

On Tue, Mar 7, 2017 at 9:02 PM, Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> Hi!
>
> Frankly don't know whom to blame (maybe even me). That's why a list in
> To is kinda (semi-) random.
>
> I have two branches on my Github:
>
> https://github.com/andy-shev/linux/tree/eds-v4.10
> https://github.com/andy-shev/linux/tree/eds (previous one simple
> rebased to v4.11-rc1)
>
> First one boots nicely all over the time:
> (Important piece of dmesg):
> [ 0.815277] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 0.815449] initcall init_sunrpc+0x0/0x64 returned 0 after 1952 usecs
> [    0.815619] calling  pci_apply_final_quirks+0x0/0x107 @ 1
> [    1.166511] PCI: CLS 0 bytes, default 64
> [    1.166632] initcall pci_apply_final_quirks+0x0/0x107 returned 0
> after 318310 usecs
> [    1.166829] calling  acpi_reserve_resources+0x0/0xeb @ 1
> [    1.166973] initcall acpi_reserve_resources+0x0/0xeb returned 0 after 0 usecs
> [    1.167156] calling  populate_rootfs+0x0/0x108 @ 1
> [    1.168072] Unpacking initramfs...
> [   13.340003] Initramfs unpacking failed: junk in compressed archive
> [   13.357556] Freeing initrd memory: 20480K
>
> Second one is unstable (*), but in any case I got the following:
> [    0.639836] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [    0.640008] initcall init_sunrpc+0x0/0x64 returned 0 after 0 usecs
> [    0.640173] calling  pci_apply_final_quirks+0x0/0x107 @ 1
> [   61.005995] PCI: CLS 0 bytes, default 64
> [   61.006126] initcall pci_apply_final_quirks+0x0/0x107 returned 0
> after 316 usecs
> [   61.006321] calling  acpi_reserve_resources+0x0/0xeb @ 1
> [   61.006464] initcall acpi_reserve_resources+0x0/0xeb returned 0 after 0 usecs
> [   61.006647] calling  populate_rootfs+0x0/0x10d @ 1
> [   61.007528] Unpacking initramfs...
> [   73.025201] Initramfs unpacking failed: junk in compressed archive
> [   73.041819] Freeing initrd memory: 20480K
>
> 60 seconds of wait for what exactly? I have no clue right now. Any suggestions?
>
> (*) It was a bit hard to get v4.11-rc1 eventually load (looks like
> boot time was long enough to get watchdog fired, i.e. 90+ seconds).
>
> --
> With Best Regards,
> Andy Shevchenko



-- 
With Best Regards,
Andy Shevchenko

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v4.11-rc1 boot time regression Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-03-08 11:40 +0100

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