Re: 2.6.21-mm1: many processes end up in D state

2007-05-07 Thread Jiri Slaby
Mikael Pettersson napsal(a): > Jiri: please test the patch below instead. That is, revert to > the original code _with_ the 'return 1;', and then add this > patch to it. It should have pretty much the same effect as > removing the 'return 1;', however calling ata_port_abort() > is more in line with

Re: 2.6.21-mm1: many processes end up in D state

2007-05-05 Thread Mikael Pettersson
On Sat, 05 May 2007 17:30:51 +0200, Tejun Heo wrote: > Mikael Pettersson wrote: > >> I.e. no freezing of ports... > > > > Your patch to delete the 'return 1;' on error is correct, > > and makes the code match exactly the behaviour of previous > > versions of sata_promise, except for the additional

Re: 2.6.21-mm1: many processes end up in D state

2007-05-05 Thread Tejun Heo
Mikael Pettersson wrote: >> I.e. no freezing of ports... > > Your patch to delete the 'return 1;' on error is correct, > and makes the code match exactly the behaviour of previous > versions of sata_promise, except for the additional error > decoding. > > ahci and sata_sil24 do the return in this

Re: 2.6.21-mm1: many processes end up in D state

2007-05-04 Thread Mikael Pettersson
On Fri, 04 May 2007 17:02:10 +0200, Jiri Slaby wrote: I have a problem with higher disk loads (e.g. running git-log or yum update). Many processes end up in D state and system is unusable -- I'm not able to run anything but smooth mouse moving when this happens. ...(borin

Re: 2.6.21-mm1: many processes end up in D state

2007-05-04 Thread Jiri Slaby
Jiri Slaby napsal(a): > Cc: Mikael Pettersson <[EMAIL PROTECTED]> > Cc: [EMAIL PROTECTED] > Cc: Jeff Garzik <[EMAIL PROTECTED]> > > Jiri Slaby napsal(a): >> Cc: [EMAIL PROTECTED] >> >> Jiri Slaby napsal(a): >>> Hi, >>> >>> I have a problem with higher disk loads (e.g. running git-log or yum >>>

Re: 2.6.21-mm1: many processes end up in D state

2007-05-04 Thread Jiri Slaby
Cc: Mikael Pettersson <[EMAIL PROTECTED]> Cc: [EMAIL PROTECTED] Cc: Jeff Garzik <[EMAIL PROTECTED]> Jiri Slaby napsal(a): > Cc: [EMAIL PROTECTED] > > Jiri Slaby napsal(a): >> Hi, >> >> I have a problem with higher disk loads (e.g. running git-log or yum update). >> Many processes end up in D stat

Re: 2.6.21-mm1: many processes end up in D state

2007-05-01 Thread Jiri Slaby
Cc: [EMAIL PROTECTED] Jiri Slaby napsal(a): > Hi, > > I have a problem with higher disk loads (e.g. running git-log or yum update). > Many processes end up in D state and system is unusable -- I'm not able to run > anything but smooth mouse moving when this happens. > > If I wait for a 20-30sec

Re: 2.6.21-mm1: many processes end up in D state

2007-05-01 Thread Jiri Slaby
Andrew Morton napsal(a): > I would check the anticipatory scheduler as well, please. I don't know > what no-op would do with a workload like that, but it probably isn't very > good. > > You appear to believe that it's related to the CPU scheduler? Oh, no. I have really no idea, what may cause

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 20:14:05 +0200 "Jiri Slaby" <[EMAIL PROTECTED]> wrote: > > > I have a problem with higher disk loads (e.g. running git-log or yum > > > update). > > > Many processes end up in D state and system is unusable -- I'm not able > > > to run > > > anything but smooth mouse moving w

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Jiri Slaby
On 4/30/07, Andrew Morton <[EMAIL PROTECTED]> wrote: On Mon, 30 Apr 2007 17:39:19 +0200 Jiri Slaby <[EMAIL PROTECTED]> wrote: > Hi, > > I have a problem with higher disk loads (e.g. running git-log or yum update). > Many processes end up in D state and system is unusable -- I'm not able to run >

Re: 2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Andrew Morton
On Mon, 30 Apr 2007 17:39:19 +0200 Jiri Slaby <[EMAIL PROTECTED]> wrote: > Hi, > > I have a problem with higher disk loads (e.g. running git-log or yum update). > Many processes end up in D state and system is unusable -- I'm not able to run > anything but smooth mouse moving when this happens. >

2.6.21-mm1: many processes end up in D state

2007-04-30 Thread Jiri Slaby
Hi, I have a problem with higher disk loads (e.g. running git-log or yum update). Many processes end up in D state and system is unusable -- I'm not able to run anything but smooth mouse moving when this happens. If I wait for a 20-30sec it becomes usable. This happens in 2.6.21-rc7-mm2 and also