[arch-general] Update to 2.6.34.3-1 & LTS 2.6.32.18-1 killed dmraid box??

[David C. Rankin]

On 08/17/2010 10:39 AM, Rogutės Sparnuotos wrote:
> So all that you see after the grub prompt is this (including the dots)?
>
>    root(1,5)
>    bzimage.....
>
> What if you put 'debug' there, so that the line reads:
>
>    kernel /vmlinuz26 root=/dev/mapper/nvidia_baaccajap5 ro debug

What it says in total is:

   Booting 'Arch Linux on Archangel'

   root (hd1,5)
Filesystem Type ext2fs, partition type 0x83
kernel /vmlinuz26 root=/dev/mapper/nvidia_baaccajap5 ro debug
[Linux-BzImage, setup=0x3200, size=0x1ff440]

(then it sits and reboots)

	This must have something to do with how 2.6.34.3 handles dmraid, because after 
a failed boot, the bios reports the second array as "Unhealthy". (It is fine). 
Simply powering off and back on re-syncs the array and it boots into LTS just fine.

	Adding debug makes no difference.

	What does this look like to you? Broken dmraid for nv8200 chipset in 2.6.34.3? 
I know this is *not* a generic dmraid, nvraid or 2.6.34.3 issue, because to 
trouble-shoot I updated my *regular* server (Tyan Computer Tomcat K8E (S2865)) 
to 2.6.34.3 and it uses nv_sata and dmraid as well. Updated without an issue. 
The working server has the following dmraid config and lspci info:

[12:57 nirvana:/home/david] # dmraid -r
/dev/sdb: nvidia, "nvidia_ddddhhfh", mirror, ok, 1465149166 sectors, data@ 0
/dev/sda: nvidia, "nvidia_ddddhhfh", mirror, ok, 1465149166 sectors, data@ 0
[12:57 nirvana:/home/david] # dmraid -s
*** Active Set
name   : nvidia_ddddhhfh
size   : 1465149056
stride : 128
type   : mirror
status : ok
subsets: 0
devs   : 2
spares : 0

lspci info:

00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3) 
(prog-if 85 [Master SecO PriO])
         Subsystem: Tyan Computer Tomcat K8E (S2865)
         Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23
         I/O ports at 09f0 [size=8]
         I/O ports at 0bf0 [size=4]
         I/O ports at 0970 [size=8]
         I/O ports at 0b70 [size=4]
         I/O ports at d400 [size=16]
         Memory at febfc000 (32-bit, non-prefetchable) [size=4K]
         Capabilities: [44] Power Management version 2
         Kernel driver in use: sata_nv
         Kernel modules: ata_generic, pata_acpi, sata_nv, ide-pci-generic
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3) 
(prog-if 85 [Master SecO PriO])
         Subsystem: Tyan Computer Tomcat K8E (S2865)
         Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22
         I/O ports at 09e0 [size=8]
         I/O ports at 0be0 [size=4]
         I/O ports at 0960 [size=8]
         I/O ports at 0b60 [size=4]
         I/O ports at c000 [size=16]
         Memory at febfb000 (32-bit, non-prefetchable) [size=4K]
         Capabilities: [44] Power Management version 2
         Kernel driver in use: sata_nv
         Kernel modules: ata_generic, pata_acpi, sata_nv, ide-pci-generic



	On the test server where 2.6.34.3 will *not* boot you have (running LTS):

[13:04 archangel:/home/david] # dmraid -r
/dev/sda: nvidia, "nvidia_fdaacfde", mirror, ok, 976773166 sectors, data@ 0
/dev/sdb: nvidia, "nvidia_baaccaja", mirror, ok, 1465149166 sectors, data@ 0
/dev/sdc: nvidia, "nvidia_fdaacfde", mirror, ok, 976773166 sectors, data@ 0
/dev/sdd: nvidia, "nvidia_baaccaja", mirror, ok, 1465149166 sectors, data@ 0
[13:04 archangel:/home/david] # dmraid -s
*** Active Set
name   : nvidia_fdaacfde
size   : 976773120
stride : 128
type   : mirror
status : ok
subsets: 0
devs   : 2
spares : 0
*** Active Set
name   : nvidia_baaccaja
size   : 1465149056
stride : 128
type   : mirror
status : ok
subsets: 0
devs   : 2
spares : 0

lspci info:

00:09.0 RAID bus controller: nVidia Corporation MCP78S [GeForce 8200] SATA 
Controller (RAID mode) (rev a2)
         Subsystem: Micro-Star International Co., Ltd. Device 7374
         Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 28
         I/O ports at b080 [size=8]
         I/O ports at b000 [size=4]
         I/O ports at ac00 [size=8]
         I/O ports at a880 [size=4]
         I/O ports at a800 [size=16]
         Memory at f9e76000 (32-bit, non-prefetchable) [size=8K]
         Capabilities: [44] Power Management version 2
         Capabilities: [8c] SATA HBA v1.0
         Capabilities: [b0] MSI: Enable+ Count=1/8 Maskable- 64bit+
         Capabilities: [ec] HyperTransport: MSI Mapping Enable+ Fixed+
         Kernel driver in use: ahci
         Kernel modules: ahci


	The big difference I see is that my main server 'nirvana' uses:

     Kernel driver in use: sata_nv
     Kernel modules: ata_generic, pata_acpi, sata_nv, ide-pci-generic

which is working just fine with 2.6.34.3 while the test box 'archangel' uses:

     Kernel driver in use: ahci
     Kernel modules: ahci

so it looks like the problem is in the ahci module and dmraid. Now how to fix? I 
have always used this box with mkinitcpio.conf configured with:

MODULES="dm_mod dm_mirror sata_nv"

I'll go see if I can rebuild with the ahci module loaded in the initramfs and 
see if that helps. But regardless, there is a bug somewhere. LTS boots fine in 
this config and 2.6.34.3 doesn't??


-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com