[ You may or may not have gotten my previous email. The kernel stayed 
  working, but due to the IO errors the filesystem got re-mounted 
  read-only, and I'm not sure that the email I sent out in that state 
  actually ever made it out. I suspect it didn't. ]

Jeff,
 I just had a scary thing on my nice new Intel i965 box (all Intel 
chipsets apart from some strange Marvell IDE interface that I'm not using 
and that no driver even detected, and a TI firewire thing that I'm 
similarly not using).

The machine basically froze for about a minute or so (well, things worked 
surprisingly well, considering that apparently no disk IO happened - I 
initially thought it was just firefox that had frozen up, since my mail 
session seemed to be fine), and after it came back the filesystem was 
mounted read-only and nothing really worked any more..

I have no idea what status 0xD0 means: it looks like ATA_BUSY + ATA_DRDY + 
"bit#4", but what is bit#4?

And clearly, the soft-reset isn't doing squat.

Ideas?

                Linus

----
Boot-time messages:

        libata version 2.00 loaded.
        ..
        Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
        ide: Assuming 33MHz system bus speed for PIO modes; override with 
idebus=xx
        Probing IDE interface ide0...
        Probing IDE interface ide1...
        ide-floppy driver 0.99.newide
        ata_piix 0000:00:1f.2: version 2.00ac6
        ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
        ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 19 (level, low) -> IRQ 19
        PCI: Setting latency timer of device 0000:00:1f.2 to 64
        ata1: SATA max UDMA/133 cmd 0x2148 ctl 0x217E bmdma 0x2110 irq 19
        ata2: SATA max UDMA/133 cmd 0x2140 ctl 0x217A bmdma 0x2118 irq 19
        scsi0 : ata_piix
        ata1.00: ATA-7, max UDMA/133, 976773168 sectors: LBA48 NCQ (depth 0/32)
        ata1.00: ata1: dev 0 multi count 16
        ata1.00: configured for UDMA/133
        scsi1 : ata_piix
        ata2.00: ATAPI, max UDMA/66
        ata2.00: configured for UDMA/66
        scsi 0:0:0:0: Direct-Access     ATA      WDC WD5000YS-01M 07.0 PQ: 0 
ANSI: 5
        SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
        sda: Write Protect is off
        sda: Mode Sense: 00 3a 00 00
        SCSI device sda: drive cache: write back
        SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
        sda: Write Protect is off
        sda: Mode Sense: 00 3a 00 00
        SCSI device sda: drive cache: write back
         sda: sda1 sda2
        sd 0:0:0:0: Attached scsi disk sda
        sd 0:0:0:0: Attached scsi generic sg0 type 0
        scsi 1:0:0:0: CD-ROM            PLEXTOR  DVDR   PX-755A   1.04 PQ: 0 
ANSI: 5
        sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
        Uniform CD-ROM driver Revision: 3.20
        sr 1:0:0:0: Attached scsi CD-ROM sr0
        sr 1:0:0:0: Attached scsi generic sg1 type 5
        ata_piix 0000:00:1f.5: MAP [ P0 P2 P1 P3 ]
        ACPI: PCI Interrupt 0000:00:1f.5[A] -> GSI 19 (level, low) -> IRQ 19
        PCI: Setting latency timer of device 0000:00:1f.5 to 64
        ata3: SATA max UDMA/133 cmd 0x2138 ctl 0x2176 bmdma 0x20F0 irq 19
        ata4: SATA max UDMA/133 cmd 0x2130 ctl 0x2172 bmdma 0x20F8 irq 19
        scsi2 : ata_piix
        ATA: abnormal status 0x7F on port 0x213F
        scsi3 : ata_piix
        ATA: abnormal status 0x7F on port 0x2137

Problem starts:

        ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
        ata1.00: (BMDMA stat 0x21)
        ata1.00: tag 0 cmd 0xca Emask 0x4 stat 0x40 err 0x0 (timeout)
        ata1: port is slow to respond, please be patient (Status 0xd0)
        ata1: port failed to respond (30 secs, Status 0xd0)
        ata1: soft resetting port
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ata1.00: qc timeout (cmd 0xec)
        ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
        ata1.00: revalidation failed (errno=-5)
        ata1: failed to recover some devices, retrying in 5 secs
        ata1: port is slow to respond, please be patient (Status 0xd0)
        ata1: port failed to respond (30 secs, Status 0xd0)
        ata1: soft resetting port
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ata1.00: qc timeout (cmd 0xec)
        ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
        ata1.00: revalidation failed (errno=-5)
        ata1: failed to recover some devices, retrying in 5 secs
        ata1: port is slow to respond, please be patient (Status 0xd0)
        ata1: port failed to respond (30 secs, Status 0xd0)
        ata1: soft resetting port
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ATA: abnormal status 0xD0 on port 0x214F
        ata1.00: qc timeout (cmd 0xec)
        ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
        ata1.00: revalidation failed (errno=-5)
        ata1.00: disabled
        ata1: EH complete

And then it goes all downhill from there - the machine is toast:

        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 335093
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217445
        Buffer I/O error on device dm-0, logical block 112001027
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221400325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221400325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221400325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625475, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217485
        Buffer I/O error on device dm-0, logical block 112001032
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217501
        Buffer I/O error on device dm-0, logical block 112001034
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 209229
        Buffer I/O error on device dm-0, logical block 0
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 335117
        Buffer I/O error on device dm-0, logical block 15736
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255077
        Buffer I/O error on device dm-0, logical block 54630731
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255085
        Buffer I/O error on device dm-0, logical block 54630732
        lost page write due to I/O error on dm-0
        Buffer I/O error on device dm-0, logical block 54630733
        lost page write due to I/O error on dm-0
        Buffer I/O error on device dm-0, logical block 54630734
        lost page write due to I/O error on dm-0
        Buffer I/O error on device dm-0, logical block 54630735
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255157
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255221
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255381
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437269949
        Aborting journal on device dm-0.
        EXT3-fs error (device dm-0) in ext3_reserve_inode_write: Journal has 
aborted
        ext3_abort called.
        EXT3-fs error (device dm-0): ext3_journal_start_sb: Detected aborted 
journal
        Remounting filesystem read-only
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437270109
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437270229
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437270245
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437496517
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438170837
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438170941
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438235885
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438235981
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438236021
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438236045
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438236077
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438236141
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438242893
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438246285
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438249165
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438250517
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438286605
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438286861
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438286885
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438286917
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438286933
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438289381
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438290421
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438290653
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438290685
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438290717
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438290765
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438291717
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438291773
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438291797
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438296973
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438709949
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 640245117
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 209229
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 247935325
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=30965782, block=30965762
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050605, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822081, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358245
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018686, block=53018627
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625477, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 247935325
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=30965784, block=30965762
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050607, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822083, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358245
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018688, block=53018627
        EXT3-fs error (device dm-0) in ext3_reserve_inode_write: Journal has 
aborted
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 435077853
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438236021
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438249165
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438296973
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        __journal_remove_journal_head: freeing b_committed_data
        __journal_remove_journal_head: freeing b_committed_data
        __journal_remove_journal_head: freeing b_committed_data
        __journal_remove_journal_head: freeing b_committed_data
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        journal commit I/O error
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625479, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050608, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822085, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358253
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018690, block=53018628
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 232730981
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=29065261, block=29065219
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 193409381
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=24150055, block=24150019
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625481, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 247935325
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=30965785, block=30965762
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050610, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822087, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358253
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018692, block=53018628
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221082957
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221082957
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221082957
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625482, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 247935325
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=30965786, block=30965762
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050611, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822088, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358253
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018693, block=53018628
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 232730981
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=29065262, block=29065219
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 193409381
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=24150056, block=24150019
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625484, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 247935325
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=30965787, block=30965762
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050613, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822090, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358253
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018695, block=53018628
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 421212525
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52625485, block=52625412
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 208613733
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=26050614, block=26050563
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 422785389
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=52822091, block=52822020
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 424358253
        EXT3-fs error (device dm-0): ext3_get_inode_loc: unable to read inode 
block - inode=53018696, block=53018628
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 222476325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 222476325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 222476325
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220006069
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220006069
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220006069
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218847341
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218847341
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223939293
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223939293
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223939293
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223968533
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 209229
        printk: 141 messages suppressed.
        Buffer I/O error on device dm-0, logical block 0
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 209341
        Buffer I/O error on device dm-0, logical block 14
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 209429
        Buffer I/O error on device dm-0, logical block 25
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218838829
        Buffer I/O error on device dm-0, logical block 27328700
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218838957
        Buffer I/O error on device dm-0, logical block 27328716
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839021
        Buffer I/O error on device dm-0, logical block 27328724
        lost page write due to I/O error on dm-0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839133
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839173
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839229
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839261
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839317
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839341
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218839365
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218840301
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218840349
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218840453
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218840501
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218841173
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218842141
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218842877
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218842901
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218843021
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218843045
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218844933
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218844949
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218844965
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218844997
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218845045
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 218845141
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219624301
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219624381
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219625901
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219625957
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219626005
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219626421
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 219626485
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220149909
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220673461
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220673485
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220673525
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220673733
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221196965
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221722813
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221722845
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 222245285
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 222247365
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223818765
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 223818965
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 434844005
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 434844397
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 436680901
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437203277
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437203437
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437203477
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437236053
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437255213
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437270237
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437727581
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 437989709
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438170933
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438235669
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438251925
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 438939997
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 454766925
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 553070941
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 553070973
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 553071005
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 640102773
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 640102965
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 640102997
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 830681421
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 830927181
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217437
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217597
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217645
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 896217885
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220252173
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220252253
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220252277
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220252173
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 220252173
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 830927181
        EXT3-fs error (device dm-0): ext3_find_entry: reading directory 
#103809025 offset 0
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816517
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816589
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816629
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816653
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816677
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816629
        sd 0:0:0:0: SCSI error: return code = 0x00040000
        end_request: I/O error, dev sda, sector 221816629
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