Hi,

quoted text
> Aiee.... Can you please try 2.6.25-rc8 with both configurations?  And
> w/o systemrescuecd?  Just seeing whether things mount properly or not is
> good enough.  There isn't much risk of losing data.

2.6.25-rc8 is a 'no change'. AHCI+pci=3Dnomsi boots, AHCI without hangs.
with AHCI I also get this:

[    0.363828] ------------[ cut here ]------------
[    0.363828] WARNING: at drivers/ata/ahci.c:645 ahci_init_one+0x190/0xa3a=
()
[    0.363828] Modules linked in:
[    0.363828] Pid: 1, comm: swapper Not tainted 2.6.25-rc8 #2
[    0.363828]
[    0.363828] Call Trace:
[    0.363828]  [<ffffffff8022c5a5>] warn_on_slowpath+0x51/0x63
[    0.363832]  [<ffffffff80220061>] __ioremap+0x8/0x197
[    0.363872]  [<ffffffff803921f4>] pci_conf1_read+0xb2/0xbd
[    0.363911]  [<ffffffff802f3316>] pcim_iomap_release+0x0/0x2c
[    0.363950]  [<ffffffff802f3316>] pcim_iomap_release+0x0/0x2c
[    0.363989]  [<ffffffff803471a9>] devres_find+0x4b/0x65
[    0.364028]  [<ffffffff8036e4cd>] ahci_init_one+0x190/0xa3a
[    0.364067]  [<ffffffff802af837>] sysfs_addrm_finish+0x1d/0x209
[    0.364107]  [<ffffffff80284014>] ifind+0x34/0x8d
[    0.364145]  [<ffffffff802af54e>] sysfs_find_dirent+0x1b/0x2f
[    0.364184]  [<ffffffff802eb75d>] ida_get_new_above+0xf0/0x180
[    0.364223]  [<ffffffff802af837>] sysfs_addrm_finish+0x1d/0x209
[    0.364263]  [<ffffffff802b0378>] sysfs_create_link+0xb6/0x102
[    0.364303]  [<ffffffff802f8664>] pci_device_probe+0x4c/0x72
[    0.364342]  [<ffffffff80344c48>] driver_probe_device+0xb5/0x132
[    0.364381]  [<ffffffff80344ddb>] __driver_attach+0x6f/0xaf
[    0.364419]  [<ffffffff80344d6c>] __driver_attach+0x0/0xaf
[    0.364458]  [<ffffffff80344d6c>] __driver_attach+0x0/0xaf
[    0.364498]  [<ffffffff8034400a>] bus_for_each_dev+0x44/0x6f
[    0.364538]  [<ffffffff802a9b57>] proc_match+0x23/0x2d
[    0.364576]  [<ffffffff80344876>] bus_add_driver+0xae/0x1f4
[    0.364614]  [<ffffffff8034500a>] driver_register+0x59/0xce
[    0.364654]  [<ffffffff802f88a5>] __pci_register_driver+0x4a/0x7d
[    0.364701]  [<ffffffff804e56b8>] kernel_init+0x14f/0x2b9
[    0.364740]  [<ffffffff8020be98>] child_rip+0xa/0x12
[    0.364779]  [<ffffffff804e5569>] kernel_init+0x0/0x2b9
[    0.364817]  [<ffffffff8020be8e>] child_rip+0x0/0x12
[    0.364854]
[    0.364891] ---[ end trace ea9d541113ecaf1e ]---
[    1.370495] ahci 0000:00:0a.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0x=
f=20
impl SATA mode
[    1.370495] ahci 0000:00:0a.0: flags: 64bit sntf led clo pmp pio
[    1.370495] PCI: Setting latency timer of device 0000:00:0a.0 to 64
[    1.370495] scsi0 : ahci
[    1.370506] scsi1 : ahci
[    1.370515] scsi2 : ahci
[    1.370524] scsi3 : ahci

Gl=C3=BCck Auf,
Volker