$ dmesg [13192.761240] ata1.00: exception Emask 0x0 SAct 0x1f SErr 0x0 action 0x2 frozen [13192.761257] ata1.00: cmd 61/a0:00:a7:5a:02/03:00:00:00:00/40 tag 0 cdb 0x0 data 475136 out [13192.761262] res 40/00:88:67:17:20/00:00:08:00:00/40 Emask 0x4 (timeout) [13192.761273] ata1.00: cmd 60/08:08:5f:01:18/00:00:08:00:00/40 tag 1 cdb 0x0 data 4096 in [13192.761275] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [13192.761283] ata1.00: cmd 60/08:10:0f:af:1b/00:00:08:00:00/40 tag 2 cdb 0x0 data 4096 in [13192.761285] res 40/00:a0:e7:92:23/00:00:08:00:00/40 Emask 0x4 (timeout) [13192.761293] ata1.00: cmd 60/20:18:5f:af:1b/00:00:08:00:00/40 tag 3 cdb 0x0 data 16384 in [13192.761295] res 40/00:a0:e7:92:23/00:00:08:00:00/40 Emask 0x4 (timeout) [13192.761303] ata1.00: cmd 60/08:20:cf:af:1b/00:00:08:00:00/40 tag 4 cdb 0x0 data 4096 in [13192.761306] res 40/00:a0:e7:92:23/00:00:08:00:00/40 Emask 0x4 (timeout) [13193.073608] ata1: soft resetting port [13193.245951] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [13193.254664] ata1.00: ata_hpa_resize 1: sectors = 160836480, hpa_sectors = 160836480 [13193.255509] ata1.00: ata_hpa_resize 1: sectors = 160836480, hpa_sectors = 160836480 [13193.255514] ata1.00: configured for UDMA/133 [13193.255531] ata1: EH complete [13193.255607] SCSI device sda: 160836480 512-byte hdwr sectors (82348 MB) [13193.255629] sda: Write Protect is off [13193.255633] sda: Mode Sense: 00 3a 00 00 [13193.255659] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA $ lspci -v 00:00.0 Host bridge: ATI Technologies Inc Radeon Xpress 200 Host Bridge (rev 01) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64 Memory at (64-bit, non-prefetchable) 00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge (prog-if 00 [Normal decode]) Flags: bus master, 66MHz, medium devsel, latency 64 Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 I/O behind bridge: 0000a000-0000afff Memory behind bridge: ff400000-ff4fffff Prefetchable memory behind bridge: cff00000-dfefffff Capabilities: 00:07.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000b000-0000bfff Memory behind bridge: ff500000-ff5fffff Capabilities: 00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA (prog-if 01 [AHCI 1.0]) Subsystem: Elitegroup Computer Systems Unknown device 4380 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16 I/O ports at e800 [size=8] I/O ports at e400 [size=4] I/O ports at e000 [size=8] I/O ports at dc00 [size=4] I/O ports at d800 [size=16] Memory at ff6ffc00 (32-bit, non-prefetchable) [size=1K] Capabilities: 00:13.0 USB Controller: ATI Technologies Inc SB600 USB (OHCI0) (prog-if 10 [OHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17 Memory at ff6fe000 (32-bit, non-prefetchable) [size=4K] Capabilities: 00:13.1 USB Controller: ATI Technologies Inc SB600 USB (OHCI1) (prog-if 10 [OHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18 Memory at ff6fd000 (32-bit, non-prefetchable) [size=4K] Capabilities: 00:13.2 USB Controller: ATI Technologies Inc SB600 USB (OHCI2) (prog-if 10 [OHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19 Memory at ff6fc000 (32-bit, non-prefetchable) [size=4K] Capabilities: 00:13.3 USB Controller: ATI Technologies Inc SB600 USB (OHCI3) (prog-if 10 [OHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18 Memory at ff6fb000 (32-bit, non-prefetchable) [size=4K] Capabilities: 00:13.4 USB Controller: ATI Technologies Inc SB600 USB (OHCI4) (prog-if 10 [OHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19 Memory at ff6fa000 (32-bit, non-prefetchable) [size=4K] Capabilities: 00:13.5 USB Controller: ATI Technologies Inc SB600 USB Controller (EHCI) (prog-if 20 [EHCI]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 20 Memory at ff6ff800 (32-bit, non-prefetchable) [size=256] Capabilities: 00:14.0 SMBus: ATI Technologies Inc SB600 SMBus (rev 13) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: 66MHz, medium devsel I/O ports at 0b00 [size=16] Memory at 20000000 (32-bit, non-prefetchable) [size=1K] 00:14.1 IDE interface: ATI Technologies Inc SB600 IDE (prog-if 8a [Master SecP PriP]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 17 I/O ports at 01f0 [size=8] I/O ports at 03f4 [size=1] I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at ff00 [size=16] Capabilities: 00:14.2 Audio device: ATI Technologies Inc SB600 Azalia Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, slow devsel, latency 64, IRQ 17 Memory at ff6f4000 (64-bit, non-prefetchable) [size=16K] Capabilities: 00:14.3 ISA bridge: ATI Technologies Inc SB600 PCI to LPC Bridge Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 0 00:14.4 PCI bridge: ATI Technologies Inc SB600 PCI to PCI Bridge (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, medium devsel, latency 64 Bus: primary=00, secondary=03, subordinate=03, sec-latency=64 01:05.0 VGA compatible controller: ATI Technologies Inc RC410 [Radeon Xpress 200] (prog-if 00 [VGA]) Subsystem: Elitegroup Computer Systems Unknown device 2182 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 10 Memory at d0000000 (32-bit, prefetchable) [size=128M] I/O ports at a800 [size=256] Memory at ff4f0000 (32-bit, non-prefetchable) [size=64K] Expansion ROM at ff4c0000 [disabled] [size=128K] Capabilities: 02:00.0 Ethernet controller: Marvell Technology Group Ltd. Unknown device 4364 (rev 12) Subsystem: Elitegroup Computer Systems Unknown device 8056 Flags: bus master, fast devsel, latency 0, IRQ 20 Memory at ff5fc000 (64-bit, non-prefetchable) [size=16K] I/O ports at b800 [size=256] Expansion ROM at ff5c0000 [disabled] [size=128K] Capabilities: