После смены режима жесткого диска (hda) с UDMA5 на UDMA2 начинает работать ide0:

Странным образом hdparm помогает избавиться от ошибок Asterisk:

[Jul  7 12:46:00] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul  7 12:46:01] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul  7 12:46:01] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul  7 12:46:01] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul  7 12:46:01] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul  7 12:46:01] ERROR[18348]: chan_dahdi.c:8799 dahdi_pri_error: PTP MDL can't handle error of type I
[Jul  7 12:46:01] ERROR[18348]: chan_dahdi.c:8799 dahdi_pri_error: MDL-ERROR (I): T200 = N200 in timer recovery state 8
[Jul  7 12:46:01] NOTICE[18348]: chan_dahdi.c:9099 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1

[13:27:57] funtik:~ # hdparm -vi /dev/hda

/dev/hda:
 multcount     =  0 (off)
 IO_support    =  0 (default)
 unmaskirq     =  0 (off)
 using_dma     =  1 (on)
 keepsettings  =  0 (off)
 readonly      =  0 (off)
 readahead     = 256 (on)
 geometry      = 16383/255/63, sectors = 156301488, start = 0

 Model=ST3802110A, FwRev=3.AAE, SerialNo=5LR3YW4N
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=off
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=15629937
 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4
 DMA modes:  mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: Unspecified:  ATA/ATAPI-1,2,3,4,5,6,7

 * signifies the current active mode

[13:29:31] funtik:~ # hdparm -d 1 -X udma2 -c 3 /dev/hda

/dev/hda:
 setting 32-bit IO_support flag to 3
 setting using_dma to 1 (on)
 setting xfermode to 66 (UltraDMA mode2)
 IO_support    =  0 (default)
 using_dma     =  0 (off)

[13:30:28] funtik:~ # hdparm -vi /dev/hda

/dev/hda:
 multcount     =  0 (off)
 IO_support    =  0 (default)
 unmaskirq     =  0 (off)
 using_dma     =  0 (off)
 keepsettings  =  0 (off)
 readonly      =  0 (off)
 readahead     = 256 (on)
 geometry      = 16383/255/63, sectors = 156301488, start = 0

 Model=ST3802110A, FwRev=3.AAE, SerialNo=5LR3YW4N
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=off
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156299375
 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4
 DMA modes:  mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: Unspecified:  ATA/ATAPI-1,2,3,4,5,6,7

 * signifies the current active mode