Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-31 Thread Frank Rowand
On 07/31/12 12:11, Steven Rostedt wrote: > On Tue, 2012-07-31 at 12:00 -0700, Frank Rowand wrote: > >>> Yeah, my root fs is on the sdcard. Did you get this bug every time or >>> was it sporadic? >> >> I get it every boot. > > Can you try it with an SD card? I can set it up for nfs as well, but >

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-31 Thread Steven Rostedt
On Tue, 2012-07-31 at 12:00 -0700, Frank Rowand wrote: > > Yeah, my root fs is on the sdcard. Did you get this bug every time or > > was it sporadic? > > I get it every boot. Can you try it with an SD card? I can set it up for nfs as well, but that would take a bit of time. -- Steve -- To uns

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-31 Thread Frank Rowand
On 07/30/12 19:32, Steven Rostedt wrote: > On Mon, 2012-07-30 at 19:22 -0700, Frank Rowand wrote: >> On 07/30/12 18:22, Steven Rostedt wrote: >>> On Thu, 2012-07-26 at 17:15 -0700, Frank Rowand wrote: >>> Config is from arch/arm/configs/omap2plus_defconfig plus: CONFIG_U

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-30 Thread Steven Rostedt
On Mon, 2012-07-30 at 19:22 -0700, Frank Rowand wrote: > On 07/30/12 18:22, Steven Rostedt wrote: > > On Thu, 2012-07-26 at 17:15 -0700, Frank Rowand wrote: > > > >> > >> Config is from arch/arm/configs/omap2plus_defconfig > >> plus: > >> > >>CONFIG_USB_EHCI_HCD=y > >>CONFIG_USB_NET_SMSC95

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-30 Thread Frank Rowand
On 07/30/12 18:22, Steven Rostedt wrote: > On Thu, 2012-07-26 at 17:15 -0700, Frank Rowand wrote: > >> >> Config is from arch/arm/configs/omap2plus_defconfig >> plus: >> >>CONFIG_USB_EHCI_HCD=y >>CONFIG_USB_NET_SMSC95XX=y >>CONFIG_PREEMPT_RT_FULL=y >> > > Interesting, I just booted my

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-30 Thread Steven Rostedt
On Thu, 2012-07-26 at 17:15 -0700, Frank Rowand wrote: > > Config is from arch/arm/configs/omap2plus_defconfig > plus: > >CONFIG_USB_EHCI_HCD=y >CONFIG_USB_NET_SMSC95XX=y >CONFIG_PREEMPT_RT_FULL=y > Interesting, I just booted my panda board against 3.0.36-rt58 with that config and

Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-26 Thread Frank Rowand
On 07/18/12 15:39, Steven Rostedt wrote: > From: Thomas Gleixner > > On RT we avoid the cross cpu function calls and take the per cpu local > locks instead. Now the code missed that taking the local lock on the > cpu which runs the code must use the proper local lock functions and > not a simple

[PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-18 Thread Steven Rostedt
From: Thomas Gleixner On RT we avoid the cross cpu function calls and take the per cpu local locks instead. Now the code missed that taking the local lock on the cpu which runs the code must use the proper local lock functions and not a simple spin_lock(). Otherwise it deadlocks later when trying

[PATCH RT 05/12] slab: Prevent local lock deadlock

2012-07-17 Thread Steven Rostedt
From: Thomas Gleixner On RT we avoid the cross cpu function calls and take the per cpu local locks instead. Now the code missed that taking the local lock on the cpu which runs the code must use the proper local lock functions and not a simple spin_lock(). Otherwise it deadlocks later when trying