Re: Slow booting on x15

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Hi Tony,

On Thu, Oct 01, 2020 at 11:17:48AM +0300, Tony Lindgren wrote:
> * Tony Lindgren <tony@xxxxxxxxxxx> [201001 07:53]:
> > * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [200930 12:41]:
> > > Fwiw on my beagle x15
> > > 
> > > v5.8
> > > [    9.908787] Run /sbin/init as init process
> > > 
> > > v5.9-rc7
> > > [   15.085373] Run /sbin/init as init process
> > > 
> > > 
> > > It appears to be 'fixed' in next-20200928: the board does not even boot.
> > 
> > Yeah so it seems :(
> > 
> > > next-20200928 on omap5
> > > [    9.936806] Run /sbin/init as init process
> > > 
> > > 
> > > -rc7 spends most of it's time:
> > > [    7.635530] Micrel KSZ9031 Gigabit PHY 48485000.mdio:01: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=48485000.mdio:01, irq=POLL)
> > > [   14.956671] cpsw 48484000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> > > [   15.005211] IP-Config: Complete:
> > 
> > Booting with initcall_debug I see this with current Linux next:
> > 
> > ...
> > [    1.697313] cpuidle: using governor menu
> > [    1.701353] initcall init_menu+0x0/0xc returned 0 after 0 usecs
> > [    1.707458] calling  gpmc_init+0x0/0x10 @ 1
> > [    1.711784] initcall gpmc_init+0x0/0x10 returned 0 after 0 usecs
> > [    1.717974] calling  omap3_l3_init+0x0/0x10 @ 1
> > [    1.722653] initcall omap3_l3_init+0x0/0x10 returned 0 after 0 usecs
> > [    1.729201] calling  omap_l3_init+0x0/0x10 @ 1
> > [    1.733791] initcall omap_l3_init+0x0/0x10 returned 0 after 0 usecs
> > [    1.740314] calling  gate_vma_init+0x0/0x70 @ 1
> > [    1.744976] initcall gate_vma_init+0x0/0x70 returned 0 after 0 usecs
> > [    1.751522] calling  customize_machine+0x0/0x30 @ 1
> > [    3.823114] initcall customize_machine+0x0/0x30 returned 0 after 2011718 usecs
> > [    3.830566] calling  init_atags_procfs+0x0/0xec @ 1
> > [    3.835583] No ATAGs?
> 
> And the long time above with customize_machine() ends up being
> pdata_quirks_init() calling of_platform_populate().

That's what the delay is for me (I think I've reported that initially).

> > Laurent & Tomi, care to check what you guys see in the slow booting case
> > after booting with initcall_debug?
> 
> But maybe the long delay is something else for you guys so please check.

-- 
Regards,

Laurent Pinchart



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