Fajun Chen wrote:
ata2.00: qc timeout (cmd 0xec)
ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata2.00: revalidation failed (errno=-5)
ata2.00: disabled
ata2: EH complete
ata2: soft resetting port
ata2.00: ATA-7, max UDMA/100, 625142448 sectors: LBA48
ata2.00: configured for UDMA/100
ata2: EH complete
Unable to handle kernel paging request at virtual address 6f020091
pgd = c0004000
[6f020091] *pgd=00000000
Internal error: Oops: f3 [#1]
Modules linked in:
CPU: 0
PC is at scsi_device_get+0x40/0x98
LR is at kobject_get+0x18/0x20
pc : [<c00f6728>] lr : [<c00c8274>] Not tainted
sp : c0b5ff10 ip : c0b5feec fp : c0b5ff24
r10: c0b68298 r9 : 00000000 r8 : 60000013
r7 : c0b68298 r6 : 00000000 r5 : c0bba090 r4 : c0bba000
r3 : 6f020045 r2 : fffffffa r1 : c0197340 r0 : c0bba090
Flags: NzCv IRQs off FIQs on Mode SVC_32 Segment kernel
Control: 397F Table: 02EB8000 DAC: 00000017
Process ata_aux (pid: 13, stack limit = 0xc0b5e250)
Stack: (0xc0b5ff10 to 0xc0b60000)
ff00: c0bba000 c0b68424 c0b5ff50
c0b5ff28
ff20: c0112d28 c00f66f4 c0b50b20 20000013 c0112c98 c0b50b28 00000001
00000000
ff40: fffffffc c0b5ff70 c0b5ff54 c0047e4c c0112ca4 c0b50b30 c0b50b28
c0b5ff90
ff60: c0b50b20 c0b5ffc0 c0b5ff74 c0047fb4 c0047da4 ffffffff ffffffff
00000001
ff80: 00000000 c003406c 00010000 00000000 00000000 c0b5b940 c003406c
00100100
ffa0: 00200200 c0b50b20 c0b5e000 c0befefc c0047ea0 c0b5fff4 c0b5ffc4
c004b670
ffc0: c0047eac 00000001 ffffffff ffffffff 00000000 00000000 00000000
00000000
ffe0: 00000000 00000000 00000000 c0b5fff8 c0039d24 c004b590 906f8a57
c8a970b5
Backtrace:
[<c00f66e8>] (scsi_device_get+0x0/0x98) from [<c0112d28>]
(ata_scsi_hotplug+0x90/0x188)
r5 = C0B68424 r4 = C0BBA000
[<c0112c98>] (ata_scsi_hotplug+0x0/0x188) from [<c0047e4c>]
(run_workqueue+0xb4/0x108)
[<c0047d98>] (run_workqueue+0x0/0x108) from [<c0047fb4>]
(worker_thread+0x114/0x16c)
r7 = C0B50B20 r6 = C0B5FF90 r5 = C0B50B28 r4 = C0B50B30
[<c0047ea0>] (worker_thread+0x0/0x16c) from [<c004b670>]
(kthread+0xec/0x11c)
That's interesting. Looks like a scsidev refcounting problem...
Jeff
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