Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-21 Thread Andrew Morton
On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: But I think the radix 'scan over entire tree' is a bit fragile. eek, it had better not be. Was this an error in the caller? Hope so. This patch adds a parallel hlist for ease of properly browsing the members, Even

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-21 Thread Jens Axboe
On Thu, Feb 21 2008, Andrew Morton wrote: On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: But I think the radix 'scan over entire tree' is a bit fragile. eek, it had better not be. Was this an error in the caller? Hope so. The cfq use of it, not the radix tree

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread KAMEZAWA Hiroyuki
On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and add some printks to block/cfq-iosched.c:call_for_each_cic(), like dumping the 'nr' return from radix_tree_gang_lookup() and the pointer value of cics[i] in the for() loop after the

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread KAMEZAWA Hiroyuki
On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and add some printks to

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread Jens Axboe
On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and add some printks to block/cfq-iosched.c:call_for_each_cic(), like dumping the 'nr' return from radix_tree_gang_lookup() and the

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread KAMEZAWA Hiroyuki
On Tue, 19 Feb 2008 09:58:38 +0100 Jens Axboe [EMAIL PROTECTED] wrote: when I inserted printk here == for (i = 0; i nr; i++) func(ioc, cics[i]); printk(%d %lx\n, nr, index); == index was always 1 and nr was always 32. So, cics[31]-key was always NULL when

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread Jens Axboe
On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Tue, 19 Feb 2008 09:58:38 +0100 Jens Axboe [EMAIL PROTECTED] wrote: when I inserted printk here == for (i = 0; i nr; i++) func(ioc, cics[i]); printk(%d %lx\n, nr, index); == index was always 1 and nr was always

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread Jens Axboe
On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread Jens Axboe
On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-19 Thread KAMEZAWA Hiroyuki
On Tue, 19 Feb 2008 09:36:34 +0100 Jens Axboe [EMAIL PROTECTED] wrote: On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: On Sun, 17 Feb 2008 20:29:13 +0100 Jens Axboe [EMAIL PROTECTED] wrote: It's odd stuff. Could you perhaps try and add some printks to

Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-17 Thread Rafael J. Wysocki
On Saturday, 16 of February 2008, Kamalesh Babulal wrote: Hi, Hi, The softlockup is seen from 2.6.25-rc1-git{1,3} and is visible in the 2.6.24-rc2 kernel, While booting up with the 2.6.25-rc1-git{1,3} and 2.6.25-rc2 kernel(s) on the powerbox Can you update the Bugzilla entry at:

[BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

2008-02-15 Thread Kamalesh Babulal
Hi, The softlockup is seen from 2.6.25-rc1-git{1,3} and is visible in the 2.6.24-rc2 kernel, While booting up with the 2.6.25-rc1-git{1,3} and 2.6.25-rc2 kernel(s) on the powerbox Loading st.ko module BUG: soft lockup - CPU#1 stuck for 61s! [insmod:379] NIP: c01b0620 LR: