Hello.
I have not come across it again, so i guess the bug can be closed.
For the record, after 5d (17.12.2010) the HD (physically i guess) broke
down.
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Dec 17 14:29:21 ubuntu kernel: [ 154.849071] ata5.00: exception Emask 0x0
SAct 0x1e SErr 0x0 action 0x6 frozen
Dec 17 14:29:21 ubuntu kernel: [ 154.849088] ata5.00: failed command:
READ FPDMA QUEUED
Dec 17 14:29:21 ubuntu kernel: [ 154.849105] ata5.00: cmd
60/06:08:c9:52:47/00:00:00:00:00/40 tag 1 ncq 3072 in
Dec 17 14:29:21 ubuntu kernel: [ 154.849108] res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 17 14:29:21 ubuntu kernel: [ 154.849115] ata5.00: status: { DRDY }
Dec 17 14:29:21 ubuntu kernel: [ 154.849121] ata5.00: failed command:
READ FPDMA QUEUED
Dec 17 14:29:21 ubuntu kernel: [ 154.849135] ata5.00: cmd
60/a8:10:cf:52:47/00:00:00:00:00/40 tag 2 ncq 86016 in
Dec 17 14:29:21 ubuntu kernel: [ 154.849137] res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 17 14:29:21 ubuntu kernel: [ 154.849144] ata5.00: status: { DRDY }
Dec 17 14:29:21 ubuntu kernel: [ 154.849149] ata5.00: failed command:
READ FPDMA QUEUED
Dec 17 14:29:21 ubuntu kernel: [ 154.849163] ata5.00: cmd
60/a8:18:77:53:47/00:00:00:00:00/40 tag 3 ncq 86016 in
Dec 17 14:29:21 ubuntu kernel: [ 154.849166] res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 17 14:29:21 ubuntu kernel: [ 154.849172] ata5.00: status: { DRDY }
Dec 17 14:29:21 ubuntu kernel: [ 154.849177] ata5.00: failed command:
READ FPDMA QUEUED
Dec 17 14:29:21 ubuntu kernel: [ 154.849191] ata5.00: cmd
60/98:20:1f:54:47/00:00:00:00:00/40 tag 4 ncq 77824 in
Dec 17 14:29:21 ubuntu kernel: [ 154.849194] res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 17 14:29:21 ubuntu kernel: [ 154.849200] ata5.00: status: { DRDY }
Dec 17 14:29:21 ubuntu kernel: [ 154.849210] ata5: hard resetting link
Dec 17 14:29:26 ubuntu kernel: [ 160.376099] ata5: SATA link up 3.0 Gbps
(SStatus 123 SControl 300)
Dec 17 14:29:26 ubuntu kernel: [ 160.376114] ata5.00: link online but
device misclassifed
Dec 17 14:29:31 ubuntu kernel: [ 165.376064] ata5.00: qc timeout (cmd 0xec)
Dec 17 14:29:31 ubuntu kernel: [ 165.376086] ata5.00: failed to IDENTIFY
(I/O error, err_mask=0x4)
Dec 17 14:29:31 ubuntu kernel: [ 165.376093] ata5.00: revalidation failed
(errno=-5)
Dec 17 14:29:31 ubuntu kernel: [ 165.376108] ata5: hard resetting link
Dec 17 14:29:32 ubuntu kernel: [ 165.697091] ata5: SATA link down
(SStatus 0 SControl 300)
Dec 17 14:29:32 ubuntu kernel: [ 165.697114] ata5: limiting SATA link
speed to 1.5 Gbps
Dec 17 14:29:37 ubuntu kernel: [ 170.697059] ata5: hard resetting link
Dec 17 14:29:37 ubuntu kernel: [ 171.016079] ata5: SATA link down
(SStatus 0 SControl 310)
Dec 17 14:29:37 ubuntu kernel: [ 171.016099] ata5.00: disabled
Dec 17 14:29:37 ubuntu kernel: [ 171.016119] ata5.00: device reported
invalid CHS sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.016127] ata5.00: device reported
invalid CHS sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.016132] ata5.00: device reported
invalid CHS sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.016137] ata5.00: device reported
invalid CHS sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.016168] sd 4:0:0:0: [sda] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Dec 17 14:29:37 ubuntu kernel: [ 171.016177] sd 4:0:0:0: [sda] Sense Key
: Aborted Command [current] [descriptor]
Dec 17 14:29:37 ubuntu kernel: [ 171.016189] Descriptor sense data with
sense descriptors (in hex):
Dec 17 14:29:37 ubuntu kernel: [ 171.016194] 72 0b 00 00 00 00 00
0c 00 0a 80 00 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016212] 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016220] sd 4:0:0:0: [sda] Add.
Sense: No additional sense information
Dec 17 14:29:37 ubuntu kernel: [ 171.016229] sd 4:0:0:0: [sda] CDB:
Read(10): 28 00 00 47 52 c9 00 00 06 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016248] end_request: I/O error, dev
sda, sector 4674249
Dec 17 14:29:37 ubuntu kernel: [ 171.016262] Buffer I/O error on device
sda1, logical block 4674186
Dec 17 14:29:37 ubuntu kernel: [ 171.016272] Buffer I/O error on device
sda1, logical block 4674187
Dec 17 14:29:37 ubuntu kernel: [ 171.016280] Buffer I/O error on device
sda1, logical block 4674188
Dec 17 14:29:37 ubuntu kernel: [ 171.016288] Buffer I/O error on device
sda1, logical block 4674189
Dec 17 14:29:37 ubuntu kernel: [ 171.016295] Buffer I/O error on device
sda1, logical block 4674190
Dec 17 14:29:37 ubuntu kernel: [ 171.016302] Buffer I/O error on device
sda1, logical block 4674191
Dec 17 14:29:37 ubuntu kernel: [ 171.016373] sd 4:0:0:0: [sda] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Dec 17 14:29:37 ubuntu kernel: [ 171.016380] sd 4:0:0:0: [sda] Sense Key
: Aborted Command [current] [descriptor]
Dec 17 14:29:37 ubuntu kernel: [ 171.016388] Descriptor sense data with
sense descriptors (in hex):
Dec 17 14:29:37 ubuntu kernel: [ 171.016392] 72 0b 00 00 00 00 00
0c 00 0a 80 00 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016410] 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016418] sd 4:0:0:0: [sda] Add.
Sense: No additional sense information
Dec 17 14:29:37 ubuntu kernel: [ 171.016426] sd 4:0:0:0: [sda] CDB:
Read(10): 28 00 00 47 52 cf 00 00 a8 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016441] end_request: I/O error, dev
sda, sector 4674255
Dec 17 14:29:37 ubuntu kernel: [ 171.016448] Buffer I/O error on device
sda1, logical block 4674192
Dec 17 14:29:37 ubuntu kernel: [ 171.016456] Buffer I/O error on device
sda1, logical block 4674193
Dec 17 14:29:37 ubuntu kernel: [ 171.016463] Buffer I/O error on device
sda1, logical block 4674194
Dec 17 14:29:37 ubuntu kernel: [ 171.016471] Buffer I/O error on device
sda1, logical block 4674195
Dec 17 14:29:37 ubuntu kernel: [ 171.016772] sd 4:0:0:0: [sda] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Dec 17 14:29:37 ubuntu kernel: [ 171.016778] sd 4:0:0:0: [sda] Sense Key
: Aborted Command [current] [descriptor]
Dec 17 14:29:37 ubuntu kernel: [ 171.016786] Descriptor sense data with
sense descriptors (in hex):
Dec 17 14:29:37 ubuntu kernel: [ 171.016790] 72 0b 00 00 00 00 00
0c 00 0a 80 00 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016808] 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016816] sd 4:0:0:0: [sda] Add.
Sense: No additional sense information
Dec 17 14:29:37 ubuntu kernel: [ 171.016824] sd 4:0:0:0: [sda] CDB:
Read(10): 28 00 00 47 53 77 00 00 a8 00
Dec 17 14:29:37 ubuntu kernel: [ 171.016839] end_request: I/O error, dev
sda, sector 4674423
Dec 17 14:29:37 ubuntu kernel: [ 171.017200] sd 4:0:0:0: [sda] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Dec 17 14:29:37 ubuntu kernel: [ 171.017213] sd 4:0:0:0: [sda] Sense Key
: Aborted Command [current] [descriptor]
Dec 17 14:29:37 ubuntu kernel: [ 171.017234] Descriptor sense data with
sense descriptors (in hex):
Dec 17 14:29:37 ubuntu kernel: [ 171.017245] 72 0b 00 00 00 00 00
0c 00 0a 80 00 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.017301] 00 00 00 00
Dec 17 14:29:37 ubuntu kernel: [ 171.017322] sd 4:0:0:0: [sda] Add.
Sense: No additional sense information
Dec 17 14:29:37 ubuntu kernel: [ 171.017337] sd 4:0:0:0: [sda] CDB:
Read(10): 28 00 00 47 54 1f 00 00 98 00
Dec 17 14:29:37 ubuntu kernel: [ 171.017383] end_request: I/O error, dev
sda, sector 4674591
Dec 17 14:29:37 ubuntu kernel: [ 171.017680] ata5: EH complete
Dec 17 14:29:37 ubuntu kernel: [ 171.017770] sd 4:0:0:0: rejecting I/O to
offline device
Dec 17 14:29:37 ubuntu kernel: [ 171.017807] ata5.00: detaching (SCSI
4:0:0:0)
Dec 17 14:29:37 ubuntu kernel: [ 171.025660] end_request: I/O error, dev
sda, sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.047167] end_request: I/O error, dev
sda, sector 0
Dec 17 14:29:37 ubuntu kernel: [ 171.048533] sd 4:0:0:0: [sda]
Synchronizing SCSI cache
Dec 17 14:29:37 ubuntu kernel: [ 171.048667] sd 4:0:0:0: [sda] Result:
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Dec 17 14:29:37 ubuntu kernel: [ 171.048677] sd 4:0:0:0: [sda] Stopping disk
Dec 17 14:29:37 ubuntu kernel: [ 171.048703] sd 4:0:0:0: [sda] START_STOP
FAILED
Dec 17 14:29:37 ubuntu kernel: [ 171.048708] sd 4:0:0:0: [sda] Result:
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
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https://bugs.launchpad.net/bugs/686373
Title:
Kernel null pointer on ecryptfs_privileged_open
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