From: Alan Stern <stern@rowland.harvard.edu>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
<linux-usb@vger.kernel.org>, <gregkh@linuxfoundation.org>,
<bhelgaas@google.com>, <linux-pci@vger.kernel.org>
Subject: Re: v4.10-rc6 boot regression on Intel desktop, does not boot after cold boots, boots after reboot
Date: Fri, 3 Feb 2017 16:59:05 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.1702031658100.1794-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <20170203211854.GA3697@amd>
On Fri, 3 Feb 2017, Pavel Machek wrote:
> 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.
> > >
> > > But all the kernel versions worked when the keyboard was plugged into
> > > its original USB port?
> >
> > Aha. So it looks difference is probably in "where is keyboard plugged
> > in" but in "reboot" vs. "cold boot". I did not do a cold boot in quite
> > a while :-(.
> >
> > Booting to grub, then hitting ctrl-alt-del is enough to make it work. Ouch.
> >
> > It happens with current Linus' tree.
>
> v4.10-rc6-feb3 : broken
> v4.9 : ok
> (v4.6 : ok)
All I can suggest is git bisect. :-( But I agree that the problem is
unlikely to be in the USB layer.
Alan Stern
next prev parent reply other threads:[~2017-02-03 21:59 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-03 19:04 v4.10-rc6 boot regression on Intel desktop, maybe related to EHCI hadnoff? Pavel Machek
2017-02-03 19:21 ` Alan Stern
2017-02-03 20:51 ` v4.10-rc6 boot regression on Intel desktop, does not boot after cold boots, boots after reboot Pavel Machek
2017-02-03 21:18 ` Pavel Machek
2017-02-03 21:59 ` Alan Stern [this message]
2017-02-03 22:43 ` Pavel Machek
2017-02-04 8:48 ` Pavel Machek
2017-02-04 16:52 ` Pavel Machek
2017-02-12 12:00 ` Pavel Machek
2017-02-14 17:59 ` v4.10-rc8 (-rc6) " Pavel Machek
2017-02-14 19:27 ` Pavel Machek
2017-02-14 19:54 ` Alan Stern
2017-02-23 16:28 ` Frederic Weisbecker
2017-02-23 18:40 ` Pavel Machek
2017-02-25 3:28 ` Frederic Weisbecker
2017-03-18 14:42 ` Frederic Weisbecker
2017-04-03 15:38 ` Frederic Weisbecker
2017-04-03 18:20 ` Pavel Machek
2017-04-12 15:08 ` Frederic Weisbecker
2017-04-15 21:34 ` Pavel Machek
2017-04-20 14:52 ` Frederic Weisbecker
[not found] ` <CA+55aFyYAztA+Onquy9ODeC9_YBL_fXAd-RgeUVUhpsjK81ZVQ@mail.gmail.com>
[not found] ` <CA+55aFxU1D0hAPJuhkKaFBByi=8vpw7dJUX=FfpoqnZLWsvxig@mail.gmail.com>
[not found] ` <CA+55aFwt6pbt2STzRh1yCdoo7AnCLFqnPkkrYk4_BGFuvT2VCw@mail.gmail.com>
[not found] ` <CA+55aFzMiXXw9gqNCMCSc+O5HfcqWHXfqbdtbvcOmAHM9_wNig@mail.gmail.com>
[not found] ` <CA+55aFxuXgsCyMgrRDHdM6BQaej68QoU8TwdM=3LYu9LMBf4fQ@mail.gmail.com>
2017-02-15 17:23 ` Pavel Machek
2017-02-15 23:20 ` Pavel Machek
2017-02-15 23:34 ` Linus Torvalds
2017-02-16 11:11 ` Pavel Machek
2017-02-16 17:25 ` Pavel Machek
2017-02-16 18:13 ` Frederic Weisbecker
2017-02-16 18:20 ` Linus Torvalds
2017-02-16 18:34 ` Frederic Weisbecker
2017-02-16 19:34 ` Thomas Gleixner
2017-02-16 20:06 ` Pavel Machek
2017-02-16 20:21 ` Linus Torvalds
2017-02-16 20:48 ` Pavel Machek
2017-02-18 8:55 ` Pavel Machek
2017-02-17 1:11 ` Greg Kroah-Hartman
2017-02-17 14:04 ` Frederic Weisbecker
2017-02-17 16:37 ` Thomas Gleixner
2017-02-17 17:05 ` Pavel Machek
2017-02-17 18:43 ` Frederic Weisbecker
2017-02-18 9:39 ` next_tick hang was " Pavel Machek
2017-02-18 14:50 ` Frederic Weisbecker
2017-02-18 18:05 ` Pavel Machek
2017-02-20 14:05 ` Frederic Weisbecker
[not found] ` <20170218102339.GA3544@amd>
2017-02-22 3:08 ` Frederic Weisbecker
2017-02-23 14:22 ` Pavel Machek
2017-02-16 19:06 ` Pavel Machek
2017-02-17 14:40 ` Frederic Weisbecker
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