Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-06 Thread Nix
On 6 Nov 2014, Johan Hovold said: > On Thu, Nov 06, 2014 at 01:49:13PM +, Nix wrote: >> On 5 Nov 2014, Johan Hovold told this: >> > On Wed, Nov 05, 2014 at 03:14:49PM +, Nix wrote: > >> > Could you try two more things (too make sure line control is really the >> > culprit): >> > >> > 1. If

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-06 Thread Johan Hovold
On Thu, Nov 06, 2014 at 01:49:13PM +, Nix wrote: > On 5 Nov 2014, Johan Hovold told this: > > On Wed, Nov 05, 2014 at 03:14:49PM +, Nix wrote: > > Could you try two more things (too make sure line control is really the > > culprit): > > > > 1. If you clear HUPCL in ekeyd so that the lines

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-06 Thread Nix
On 5 Nov 2014, Johan Hovold told this: > On Wed, Nov 05, 2014 at 03:14:49PM +, Nix wrote: >> >> > What if you >> >> > physically disconnect and reconnect the device instead, or simply >> >> >> >> That fixes it, in fact it's the only way to

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-05 Thread Johan Hovold
On Wed, Nov 05, 2014 at 03:14:49PM +, Nix wrote: > On 5 Nov 2014, Johan Hovold stated: > > > On Fri, Oct 31, 2014 at 04:44:46PM +, Nix wrote: > >> Sorry for the delay: illness and work-related release time flurries. > >> > >> On 24 Oct 2014, Johan Hovold told this: > >> > > The log appe

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-05 Thread Daniel Silverstone
On Wed, Nov 05, 2014 at 15:14:49 +, Nix wrote: > > Did you get anywhere with trying to look at the device firmware? > Look at it? Only Daniel Silverstone (Cc:ed) can do that. The only copy > of the firmware I have is baked into the sealed key. :) Sadly I can't look at the exact firmware of the

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-05 Thread Nix
On 5 Nov 2014, Johan Hovold stated: > On Fri, Oct 31, 2014 at 04:44:46PM +, Nix wrote: >> Sorry for the delay: illness and work-related release time flurries. >> >> On 24 Oct 2014, Johan Hovold told this: >> >> > [ +CC: linux-usb ] >> > >> > On Wed, Oct 22, 2014 at 04:36:59PM +0100, Nix wrot

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-11-05 Thread Johan Hovold
On Fri, Oct 31, 2014 at 04:44:46PM +, Nix wrote: > Sorry for the delay: illness and work-related release time flurries. > > On 24 Oct 2014, Johan Hovold told this: > > > [ +CC: linux-usb ] > > > > On Wed, Oct 22, 2014 at 04:36:59PM +0100, Nix wrote: > >> On 22 Oct 2014, Johan Hovold outgrape:

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-31 Thread Nix
Sorry for the delay: illness and work-related release time flurries. On 24 Oct 2014, Johan Hovold told this: > [ +CC: linux-usb ] > > On Wed, Oct 22, 2014 at 04:36:59PM +0100, Nix wrote: >> On 22 Oct 2014, Johan Hovold outgrape: >> >> > On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: >> >>

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-24 Thread Nix
On 24 Oct 2014, Johan Hovold told this: > [ +CC: linux-usb ] > On Wed, Oct 22, 2014 at 04:36:59PM +0100, Nix wrote: >> On 22 Oct 2014, Johan Hovold outgrape: >> >> > On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: >> >> On 14 Oct 2014, Johan Hovold verbalised: >> >> >> >> > On Sun, Oct 12,

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-24 Thread Johan Hovold
[ +CC: linux-usb ] On Wed, Oct 22, 2014 at 04:36:59PM +0100, Nix wrote: > On 22 Oct 2014, Johan Hovold outgrape: > > > On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: > >> On 14 Oct 2014, Johan Hovold verbalised: > >> > >> > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: > >> >> I hav

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-22 Thread Nix
On 22 Oct 2014, Johan Hovold outgrape: > On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: >> On 14 Oct 2014, Johan Hovold verbalised: >> >> > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: >> >> I have checked: this code is being executed against a symlink that >> >> points to /dev/ttyA

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-22 Thread Nix
On 22 Oct 2014, Johan Hovold uttered the following: > On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: >> On 14 Oct 2014, Johan Hovold verbalised: >> >> > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: >> >> I have checked: this code is being executed against a symlink that >> >> points

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-22 Thread Johan Hovold
On Wed, Oct 22, 2014 at 10:31:17AM +0100, Nix wrote: > On 14 Oct 2014, Johan Hovold verbalised: > > > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: > >> I have checked: this code is being executed against a symlink that > >> points to /dev/ttyACM0, and the tcsetattr() succeeds. (At least, i

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-22 Thread Nix
On 14 Oct 2014, Johan Hovold verbalised: > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: >> I have checked: this code is being executed against a symlink that >> points to /dev/ttyACM0, and the tcsetattr() succeeds. (At least, it's >> succeeding on the kernel I'm running now, but of course

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-19 Thread Johan Hovold
On Fri, Oct 17, 2014 at 02:21:35PM +0100, Nix wrote: > On 14 Oct 2014, Johan Hovold outgrape: > > Another thing you could try is to add back the > > > > acm_set_control(acm, 0); > > > > just after the dev_info message in probe. > > "Add back" suggests that this line existed before this change

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-17 Thread Nix
On 14 Oct 2014, Johan Hovold outgrape: > Another thing you could try is to add back the > > acm_set_control(acm, 0); > > just after the dev_info message in probe. "Add back" suggests that this line existed before this change. It didn't, as far as I can see. Probing has acm_set_control(acm,

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-14 Thread Nix
On 14 Oct 2014, Johan Hovold spake thusly: > On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: >> On 12 Oct 2014, Johan Hovold verbalised: >> >> > On Sat, Oct 11, 2014 at 11:24:59PM +0100, Nix wrote: >> >> On 11 Oct 2014, Paul Martin spake thusly: >> >> >> >> > Having been privy to the firmwa

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-14 Thread Johan Hovold
On Sun, Oct 12, 2014 at 10:36:30PM +0100, Nix wrote: > On 12 Oct 2014, Johan Hovold verbalised: > > > On Sat, Oct 11, 2014 at 11:24:59PM +0100, Nix wrote: > >> On 11 Oct 2014, Paul Martin spake thusly: > >> > >> > Having been privy to the firmware of the eKey, it is very simplisting, > >> > with

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-12 Thread Nix
On 12 Oct 2014, Johan Hovold verbalised: > On Sat, Oct 11, 2014 at 11:24:59PM +0100, Nix wrote: >> On 11 Oct 2014, Paul Martin spake thusly: >> >> > Having been privy to the firmware of the eKey, it is very simplisting, >> > with no implementation whatsoever of any flow control. >> >> That's wha

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-12 Thread Johan Hovold
On Sat, Oct 11, 2014 at 11:24:59PM +0100, Nix wrote: > On 11 Oct 2014, Paul Martin spake thusly: > > > Having been privy to the firmware of the eKey, it is very simplisting, > > with no implementation whatsoever of any flow control. > > That's what I thought. (Why would something that just provid

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-12 Thread Paul Martin
On Sat, Oct 11, 2014 at 11:24:59PM +0100, Nix wrote: > On 11 Oct 2014, Paul Martin spake thusly: > > > Having been privy to the firmware of the eKey, it is very simplistic, > > with no implementation whatsoever of any flow control. > > That's what I thought. (Why would something that just provide

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-11 Thread Nix
On 11 Oct 2014, Paul Martin spake thusly: > Having been privy to the firmware of the eKey, it is very simplisting, > with no implementation whatsoever of any flow control. That's what I thought. (Why would something that just provides data at a constant rate way below that of even the slowest USB

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-11 Thread Paul Martin
Having been privy to the firmware of the eKey, it is very simplisting, with no implementation whatsoever of any flow control. -- Paul Martin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at ht

Re: [3.16.1 BISECTED REGRESSION]: Simtec Entropy Key (cdc-acm) broken in 3.16

2014-10-11 Thread Nix
[Cc:ed someone who knows the people behind the Entropy Key: they're not being manufactured at the moment, but he might want to know anyway] On 5 Sep 2014, n...@esperi.org.uk stated: > On 1 Sep 2014, Oliver Neukum stated: > >>> I'll do a bisection of the cdc-acm changes since 3.15 tomorrow night