Re: [PATCH] Introduce block I/O performance histograms

2006-11-15 Thread Jens Axboe
On Wed, Nov 15 2006, Edward Falk wrote: > This patch introduces performance histogram record keeping for block > I/O, used for performance tuning. It is turned off by default. > > When turned on, you simply do something like: > > # cat /sys/block/sda/read_request_histo > rows = bytes columns =

Re: Boot failure with ext2 and initrds

2006-11-15 Thread Mingming Cao
Andrew Morton wrote: On Wed, 15 Nov 2006 14:17:01 + (GMT) Hugh Dickins <[EMAIL PROTECTED]> wrote: On Tue, 14 Nov 2006, Hugh Dickins wrote: On Tue, 14 Nov 2006, Andrew Morton wrote: The below might help. Indeed it does (with Martin's E2FSBLK warning fix), seems to be running well on a

Re: Boot failure with ext2 and initrds

2006-11-15 Thread Andrew Morton
On Wed, 15 Nov 2006 22:55:43 -0800 Mingming Cao <[EMAIL PROTECTED]> wrote: > Hmm, maxblocks, in bitmap_search_next_usable_block(), is the end block > number of the range to search, not the lengh of the range. maxblocks > get passed to ext2_find_next_zero_bit(), where it expecting to take the

How does the ski simulator resolves the dependency on shared libraries?

2006-11-15 Thread sudhnesh adapawar
Hey all, How does the ski simulator resolves the dependency on shared libraries? For e.g: I tried 'ls' command on xski but i failed to run it : [EMAIL PROTECTED] /]# xski ls vmlinux simscsi=/var/ski-disks/sd ls - No such file or directory ls - No such file or directory xski:

Re: 2.6.19-rc5-mm2: paravirt X86_PAE=y compile error

2006-11-15 Thread Andi Kleen
On Thursday 16 November 2006 03:27, Chris Wright wrote: > * Zachary Amsden ([EMAIL PROTECTED]) wrote: > > Well that shouldn't have happened. Must have been some reject that went > > unnoticed? Try this. > > Thanks Zach, added to the pv patchqueue as well. That was one of the things that got fi

Re: Problem booting linux 2.6.19-rc5, 2.6.19-rc5-git6, 2.6.19-rc5-mm2 with md raid 1 over lvm root

2006-11-15 Thread Nicolas Mailhot
> [Please CC me on answers as I'm not an LKML subscriber] So "Say 'y' not 'm' to SCSI disk support." as Tejun Heo suggests works. isn't it kind'of a regression though ? Distro 2.6.18.1 kernel works with modular disk support. Also why does it want to load both ata_generic and pata_amd ? Shouldn't

Re: [discuss] Re: 2.6.19-rc5: known regressions (v3)

2006-11-15 Thread Andi Kleen
On Thursday 16 November 2006 06:05, Andrew Morton wrote: > On Thu, 16 Nov 2006 04:21:09 +0100 > Andi Kleen <[EMAIL PROTECTED]> wrote: > > > > > > > If it's really true that oprofile is simply busted then that's a serious > > > problem and we should find some way of unbusting it. If that means ju