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v4.10-rc6 boot regression on Intel desktop, maybe related to EHCI hadnoff?

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Hi!

Hmm. I moved keyboard between USB ports, and now 4.10-rc6 no longer
boots. v4.6 works ok. Let me try with keyboard unplugged... no, I
could not get it to work. I believe v4.9 and some v4.10-rc's worked,
but I'll have to double check.

Machine is small Intel desktop:

00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 01)
00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev 01)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation NM10/ICH7 Family SATA Controller [IDE mode] (rev 01)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 03)

Last message I can see on console is something like:

pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

...and then blinking cursor. According to dmesg, v4.6 kernel prints
this just after this message:

pci 0000:00:1d.7: EHCI: BIOS handoff failed (BIOS bug?) 01010001

Any ideas? Let me try to update to current Linus' tree. I guess I
could try to boot with CONFIG_USB=n, but that will be pretty useless
configuration.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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v4.10-rc6 boot regression on Intel desktop, maybe related to EHCI  hadnoff? Pavel Machek <pavel@ucw.cz> - 2017-02-03 20:10 +0100
  Re: v4.10-rc6 boot regression on Intel desktop, maybe related to  EHCI hadnoff? Alan Stern <stern@rowland.harvard.edu> - 2017-02-03 20:30 +0100
    Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 22:00 +0100
      Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 22:20 +0100
        Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Alan Stern <stern@rowland.harvard.edu> - 2017-02-03 23:00 +0100
          Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-03 23:50 +0100
            Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-04 09:50 +0100
              Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-04 18:00 +0100
              Re: v4.10-rc6 boot regression on Intel desktop, does not boot after  cold boots, boots after reboot Pavel Machek <pavel@ucw.cz> - 2017-02-12 13:10 +0100

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