Message ID | 4E7699FA.20202@canonical.com |
---|---|
State | New |
Headers | show |
On 09/18/2011 07:25 PM, Jesse Sung wrote: > https://bugs.launchpad.net/bugs/839238 > > SRU Justification: > > Using an ALPS touchpad in the quirk list makes unloading psmouse.ko hang > the system. > Also, due to the protocol problem of ALPS touchpad, the disconnect > function would be called when system is running, and cause a random hang. > > Fix: > > From e14874429daac619a2bea5030494ffd68230bfa1 Mon Sep 17 00:00:00 2001 > From: Wen-chien Jesse Sung <jesse.sung@canonical.com> > Date: Fri, 16 Sep 2011 15:20:22 +0800 > Subject: [PATCH] UBUNTU: SAUCE: Unregister input device only if it is > registered > > BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/839238 > > dev2 is not registered in alps_model_quirk_enabled mode, do not > unregister while disconnecting. > > Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com> > --- > drivers/input/mouse/alps.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c > index da20b62..9adff60 100644 > --- a/drivers/input/mouse/alps.c > +++ b/drivers/input/mouse/alps.c > @@ -745,7 +745,8 @@ static void alps_disconnect(struct psmouse *psmouse) > > psmouse_reset(psmouse); > del_timer_sync(&priv->timer); > - input_unregister_device(priv->dev2); > + if (!alps_model_quirk_enabled) > + input_unregister_device(priv->dev2); > kfree(priv); > } > Have you run this patch by the upstream maintainer ? It seems like a good stable patch as well. Acked-by: Tim Gardner <tim.gardner@canonical.com> rtg
On Mon, Sep 19, 2011 at 06:56:15AM -0600, Tim Gardner wrote: > On 09/18/2011 07:25 PM, Jesse Sung wrote: > >https://bugs.launchpad.net/bugs/839238 > > > >SRU Justification: > > > >Using an ALPS touchpad in the quirk list makes unloading psmouse.ko hang > >the system. > >Also, due to the protocol problem of ALPS touchpad, the disconnect > >function would be called when system is running, and cause a random hang. > > > >Fix: > > > > From e14874429daac619a2bea5030494ffd68230bfa1 Mon Sep 17 00:00:00 2001 > >From: Wen-chien Jesse Sung <jesse.sung@canonical.com> > >Date: Fri, 16 Sep 2011 15:20:22 +0800 > >Subject: [PATCH] UBUNTU: SAUCE: Unregister input device only if it is > >registered > > > >BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/839238 > > > >dev2 is not registered in alps_model_quirk_enabled mode, do not > >unregister while disconnecting. > > > >Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com> > >--- > >drivers/input/mouse/alps.c | 3 ++- > >1 files changed, 2 insertions(+), 1 deletions(-) > > > >diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c > >index da20b62..9adff60 100644 > >--- a/drivers/input/mouse/alps.c > >+++ b/drivers/input/mouse/alps.c > >@@ -745,7 +745,8 @@ static void alps_disconnect(struct psmouse *psmouse) > > > >psmouse_reset(psmouse); > >del_timer_sync(&priv->timer); > >- input_unregister_device(priv->dev2); > >+ if (!alps_model_quirk_enabled) > >+ input_unregister_device(priv->dev2); > >kfree(priv); > >} > > > > Have you run this patch by the upstream maintainer ? It seems like a > good stable patch as well. I think this problem is caused by our sauce patches for IMPS/2 support on certain models, therefore it isn't applicable to upstream. Acked-by: Seth Forshee <seth.forshee@canonical.com> > > Acked-by: Tim Gardner <tim.gardner@canonical.com> > > rtg > -- > Tim Gardner tim.gardner@canonical.com > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
On Mon, 2011-09-19 at 09:25 +0800, Jesse Sung wrote: > https://bugs.launchpad.net/bugs/839238 > > SRU Justification: > > Using an ALPS touchpad in the quirk list makes unloading psmouse.ko hang > the system. > Also, due to the protocol problem of ALPS touchpad, the disconnect > function would be called when system is running, and cause a random hang. > > Fix: > > From e14874429daac619a2bea5030494ffd68230bfa1 Mon Sep 17 00:00:00 2001 > From: Wen-chien Jesse Sung <jesse.sung@canonical.com> > Date: Fri, 16 Sep 2011 15:20:22 +0800 > Subject: [PATCH] UBUNTU: SAUCE: Unregister input device only if it is > registered > > BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/839238 > > dev2 is not registered in alps_model_quirk_enabled mode, do not > unregister while disconnecting. > > Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com> Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com> Applied to Oneiric master-next. Jesse, I'm also curious if you have sent this upstream as well? Thanks, Leann > --- > drivers/input/mouse/alps.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c > index da20b62..9adff60 100644 > --- a/drivers/input/mouse/alps.c > +++ b/drivers/input/mouse/alps.c > @@ -745,7 +745,8 @@ static void alps_disconnect(struct psmouse *psmouse) > > psmouse_reset(psmouse); > del_timer_sync(&priv->timer); > - input_unregister_device(priv->dev2); > + if (!alps_model_quirk_enabled) > + input_unregister_device(priv->dev2); > kfree(priv); > } > > -- > 1.7.5.4 > >
On 09/19/2011 09:41 PM, Leann Ogasawara wrote: > On Mon, 2011-09-19 at 09:25 +0800, Jesse Sung wrote: >> https://bugs.launchpad.net/bugs/839238 >> >> SRU Justification: >> >> Using an ALPS touchpad in the quirk list makes unloading psmouse.ko hang >> the system. >> Also, due to the protocol problem of ALPS touchpad, the disconnect >> function would be called when system is running, and cause a random hang. >> >> Fix: >> >> From e14874429daac619a2bea5030494ffd68230bfa1 Mon Sep 17 00:00:00 2001 >> From: Wen-chien Jesse Sung<jesse.sung@canonical.com> >> Date: Fri, 16 Sep 2011 15:20:22 +0800 >> Subject: [PATCH] UBUNTU: SAUCE: Unregister input device only if it is >> registered >> >> BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/839238 >> >> dev2 is not registered in alps_model_quirk_enabled mode, do not >> unregister while disconnecting. >> >> Signed-off-by: Wen-chien Jesse Sung<jesse.sung@canonical.com> > > Signed-off-by: Leann Ogasawara<leann.ogasawara@canonical.com> > > Applied to Oneiric master-next. Jesse, I'm also curious if you have > sent this upstream as well? > > Thanks, > Leann > >> --- >> drivers/input/mouse/alps.c | 3 ++- >> 1 files changed, 2 insertions(+), 1 deletions(-) >> >> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c >> index da20b62..9adff60 100644 >> --- a/drivers/input/mouse/alps.c >> +++ b/drivers/input/mouse/alps.c >> @@ -745,7 +745,8 @@ static void alps_disconnect(struct psmouse *psmouse) >> >> psmouse_reset(psmouse); >> del_timer_sync(&priv->timer); >> - input_unregister_device(priv->dev2); >> + if (!alps_model_quirk_enabled) >> + input_unregister_device(priv->dev2); >> kfree(priv); >> } >> >> -- >> 1.7.5.4 >> >> Hi Leann and rtg, Just as Seth pointed out, alps_model_quirk_enabled is only exists in ubuntu kernel (natty and oneiric), so I didn't send this to upstream. Thanks, Jesse Sung
Hi Leann, > Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com> > > Applied to Oneiric master-next. Any chance we could get it applied to natty as a SRU, given that it's relevant there too? We're happy to do the SRU approval testing. Cheers, Jeremy
On 09/26/2011 03:01 AM, Jeremy Kerr wrote: > Hi Leann, > >> Signed-off-by: Leann Ogasawara<leann.ogasawara@canonical.com> >> >> Applied to Oneiric master-next. > > Any chance we could get it applied to natty as a SRU, given that it's > relevant there too? We're happy to do the SRU approval testing. > > Cheers, > > > Jeremy > > > Done
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index da20b62..9adff60 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -745,7 +745,8 @@ static void alps_disconnect(struct psmouse *psmouse) psmouse_reset(psmouse); del_timer_sync(&priv->timer); - input_unregister_device(priv->dev2); + if (!alps_model_quirk_enabled) + input_unregister_device(priv->dev2); kfree(priv); }