On Thu, Nov 01, 2007 at 11:29:00PM +0300, Aleksey Avdeev wrote:
> Nov  1 21:29:10 srantal kernel: stex(0000:09:00.0): no signature after
> handshake frame

Похоже, всё-таки нужен более свежий драйвер:

+	hba->cardtype = (unsigned int) id->driver_data;
+	if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1)
+		hba->cardtype = st_vsc1;

(это из 2.6.20)