Re: [PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-04-09 Thread Andy Walls
On Thu, 2010-04-08 at 12:05 +0200, Bjørn Mork wrote: > Ehh, this is very embarrassing, but please disregard all my > statements about a hanging system related to IRQF_DISABLED. > > It turns out that I've had a faulty SATA hard drive which probably have > caused all these problems. I do not un

Re: [PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-04-08 Thread Bjørn Mork
Ehh, this is very embarrassing, but please disregard all my statements about a hanging system related to IRQF_DISABLED. It turns out that I've had a faulty SATA hard drive which probably have caused all these problems. I do not understand the inner workings of the SATA hardware and software,

Re: [PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-04-07 Thread Andy Walls
On Mon, 2010-03-22 at 10:28 +0100, Bjørn Mork wrote: > Andy Walls writes: > > On Sun, 2010-03-21 at 21:08 +0100, Bjørn Mork wrote: > >> As discussed many times, e.g. in http://lkml.org/lkml/2007/7/26/401 > >> mixing IRQF_DISABLED with IRQF_SHARED just doesn't make sense. > >> > >> Remove IRQF_DIS

Re: [PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-03-22 Thread Bjørn Mork
Andy Walls writes: > On Sun, 2010-03-21 at 21:08 +0100, Bjørn Mork wrote: >> As discussed many times, e.g. in http://lkml.org/lkml/2007/7/26/401 >> mixing IRQF_DISABLED with IRQF_SHARED just doesn't make sense. >> >> Remove IRQF_DISABLED to avoid random unexpected behaviour. >> >> Ever since I s

Re: [PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-03-21 Thread Andy Walls
On Sun, 2010-03-21 at 21:08 +0100, Bjørn Mork wrote: > As discussed many times, e.g. in http://lkml.org/lkml/2007/7/26/401 > mixing IRQF_DISABLED with IRQF_SHARED just doesn't make sense. > > Remove IRQF_DISABLED to avoid random unexpected behaviour. > > Ever since I started using the saa7146 dri

[PATCH] V4L/DVB: saa7146: IRQF_DISABLED causes only trouble

2010-03-21 Thread Bjørn Mork
As discussed many times, e.g. in http://lkml.org/lkml/2007/7/26/401 mixing IRQF_DISABLED with IRQF_SHARED just doesn't make sense. Remove IRQF_DISABLED to avoid random unexpected behaviour. Ever since I started using the saa7146 driver, I've had occasional soft lockups. I do not have any real ev