From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Tue, 11 Mar 2014 18:50:19 +0000 Subject: Re: Suspecting kernel timing bug in ppp or tty drivers Message-Id: <20140311185019.GA32618@kroah.com> List-Id: References: <20140310194007.GC3392@kroah.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Mats =?iso-8859-1?Q?K=E4rrman?= Cc: "linux-ppp@vger.kernel.org" , "linux-serial@vger.kernel.org" On Tue, Mar 11, 2014 at 09:41:56AM +0000, Mats K=E4rrman wrote: > On Monday, March 10, 2014 8:40 PM, Greg KH wrote: > > On Mon, Mar 10, 2014 at 01:36:36PM +0000, Mats K=E4rrman wrote: > >> Some data about the system: > >> - PPP daemon v2.4.5 > >> - Linux kernel v3.2.51 (same error with v2.6.35 though) > >=20 > > That's a really old kernel version, can you try 3.13 or newer? Lots of > > work has been done in the tty layer since 3.2 was released. > >=20 >=20 > Thanks for your reply Greg! >=20 > For various reasons I'd prefer to go to the long-term release 3.12.y, wou= ld > that be sufficient or do you think the changes made to 3.13 are critical? It's a good place to start testing, and better than 3.2 :) > (Btw. You recently set a tag for 3.12.14 but the tip of 3.12.y is 3.12.13 > according to git pull and kernel.org cgit, how come?) I messed up and forgot to push the tree, should be fine now. > As the MPC5125 is not main-line and I have some drivers for proprietary > hardware the porting and re-testing will take me at least a week I guess. Why aren't these drivers and arch code upstream? greg k-h From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: Suspecting kernel timing bug in ppp or tty drivers Date: Tue, 11 Mar 2014 11:50:19 -0700 Message-ID: <20140311185019.GA32618@kroah.com> References: <20140310194007.GC3392@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-ppp-owner@vger.kernel.org To: Mats =?iso-8859-1?Q?K=E4rrman?= Cc: "linux-ppp@vger.kernel.org" , "linux-serial@vger.kernel.org" List-Id: linux-serial@vger.kernel.org On Tue, Mar 11, 2014 at 09:41:56AM +0000, Mats K=E4rrman wrote: > On Monday, March 10, 2014 8:40 PM, Greg KH wrote: > > On Mon, Mar 10, 2014 at 01:36:36PM +0000, Mats K=E4rrman wrote: > >> Some data about the system: > >> - PPP daemon v2.4.5 > >> - Linux kernel v3.2.51 (same error with v2.6.35 though) > >=20 > > That's a really old kernel version, can you try 3.13 or newer? Lot= s of > > work has been done in the tty layer since 3.2 was released. > >=20 >=20 > Thanks for your reply Greg! >=20 > For various reasons I'd prefer to go to the long-term release 3.12.y,= would > that be sufficient or do you think the changes made to 3.13 are criti= cal? It's a good place to start testing, and better than 3.2 :) > (Btw. You recently set a tag for 3.12.14 but the tip of 3.12.y is 3.1= 2.13 > according to git pull and kernel.org cgit, how come?) I messed up and forgot to push the tree, should be fine now. > As the MPC5125 is not main-line and I have some drivers for proprieta= ry > hardware the porting and re-testing will take me at least a week I gu= ess. Why aren't these drivers and arch code upstream? greg k-h