Re: Anaconda (or libata?) device detection order

2008-08-22 Thread Christopher Mocock
Alan Cox wrote:
 I do not think that there is any way for anaconda, given the constraints 
 of libata and the BIOS, to determine if the first drive offered is PATA.
 
 In theory you can map BIOS drives to PCI devices using EDD 3.0 tables and
 then use word 93 of the identify data to map the devices to PATA v SATA.
 
 In practice EDD tables seem to be pretty good but various devices get
 word 93 wrong - notably cruddy ATAPI devices.
 
 Our current order is basically
 
 - link order for compiled in drivers (if any), which is fairly undefined
 but does put acpi, generic, legacy last
 
 - module load order otherwise
 
 For multiple devices off the same module it is then defined by the PCI
 bus ordering of devices which depends on the PCI scan order.
 
 The order modules get loaded is from userspace

Thanks, that's all useful info. Maybe I can use it to figure out a solution.

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Re: F8 vs F9

2008-08-12 Thread Christopher Mocock

Tom Horsley wrote:

since the release. My main blocker with F9 now is that
I haven't yet figured out how to rip pulseaudio out
and get alsa functioning again.


I've never managed to get pulse-audio working (although TBH I haven't 
tried very hard), so I just do a yum remove pulse* and that's always 
fixed the problem for me, alsa just seems to work after that - on F8 and F9.


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Re: F8 vs F9

2008-08-12 Thread Christopher Mocock

Russell Miller wrote:
It might bea  permissions problem...   I found that by changing the 
ownership on the alsa device files to root:pulse-rt and adding your 
local user to pulse-rt, it started working.


Someone is insisting that's not a bug, which does not make me happy.


Thanks. I did try that on Fedora 8 when I actually put some effort into 
investigating, with no success, but haven't tried again on F9. Might 
give it another go tonight.


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Re: stop kernel messages from splashing on the console

2008-07-28 Thread Christopher Mocock

Vikram Goyal wrote:


Hello,

I am getting these kernel messages on the consoles which I want to avoid
as many times I have to login through them as the system runs in level
3.

I have edited the /etc/syslog.conf as:


I believe the relevant config file is now /etc/rsyslog.conf although I 
don't know why /etc/syslog.conf still exists. Might be worth a try.


Regards,

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SATA hotswap / hotplug

2008-07-17 Thread Christopher Mocock

Hi list,

I'm trying to get SATA hot-swapping to work in Fedora 9 but I'm either 
having no luck or doing it wrong.


I've tried a variety of disk controllers including an LSI MegaRaid, 
3Ware 9550SX, and I'm now working with a Supermicro SAT2-MV8 (Marvell 
chipset - sata_mv module).


I was under the (possibly mistaken) impression that if I insert or 
remove a disk, I should see something in /var/log/messages. I've also 
been running ls -l /dev/disk/by-path to see if the device name appears 
or disappears, but it never does.


Is there any kind of special setup required or should it just work?

The disks I'm using are either Seagate SATA2 or older Hitachi SATA1 
drives, I have a few to play with. The disks are not formatted in any 
way as my application treats them as raw block devices. Still, I would 
expect to see the contents of /dev/disk/by-path to change when I insert 
or remove a disk.


When using the 3Ware card, I did get a message from the 3Ware driver 
saying that a disk had been removed or inserted, but it didn't change 
the contents of /dev/disk/by-path and the message was from the driver, 
not the kernel or udev or any other subsystem.


I should mention that the disks appear fine if they are inserted before 
I boot on all the disk controllers I've tried.


Any suggestions gratefully received.

Regards,

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Re: SATA hotswap / hotplug

2008-07-17 Thread Christopher Mocock

Todd Denniston wrote:
lsi does not show up on http://linux-ata.org/driver-status.html so you 
have to figure out what driver supports the card and ask about that driver.


It's the megaraid_sas driver but it's not shown on the linux-ata.org 
site, so that doesn't bode too well!


3Ware 9550SX, 

http://linux-ata.org/driver-status.html#tware
apparently you need to ask at the driver maker's site if they support it.


Aha, I shall do so.


according to the 'Driver / feature matrix'
http://linux-ata.org/driver-status.html#matrix

driver=sata_mv
feature=Device Hotplug
feature state=no


Well spotted, I saw this bit of the same page...

http://linux-ata.org/driver-status.html#marvell

... and it says:

Driver name: sata_mv

Summary: Similar to ServerWorks frodo: per-device queues, full SATA 
control including hotplug.


So I'm a little bit puzzled. Unless it means hotplugging the card itself?!?

Anyway, thanks for the pointers.


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