Hi.
With latest 5-current kernel, it will always panic.
My HDD does not support DMA mode. So with old kernel(maybe before
sos's latest ata changes), it fallback to PIO mode(see attached
text).
Do only I have this problem?
Thank you.
---
MIHIRA, Sanpei Yoshiro
Yokohama, Japan.
===== latest 5-current ====
atapci0: <Generic PCI ATA controller> port 0xfcf0-0xfcff at device 20.0 on pci0ata0:
at 0x1f0 irq 14 on atapci0
<<snip>>
ad0: 4645MB <IBM-DBCA-204860> [10068/15/63] at ata0-master using WDMA2
Mounting root from ufs:/dev/ad0s3c
ad0: READ command timeout - resetting
ata0: resetting devices ..
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x70
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01631a4
stack pointer = 0x10:0xc02b4e1c
frame pointer = 0x10:0xc02b4e40
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = net tty bio cam
trap number = 12
panic: page fault
syncing disks...
==========
===== old 5-current kernel ===
ad0: 4645MB <IBM-DBCA-204860> [10068/15/63] at ata0-master using WDMA2
Mounting root from ufs:/dev/ad0s3c
pccard: card inserted, slot 0
ad0: READ command timeout - resetting
ata0: resetting devices .. done
ad0: READ command timeout - resetting
ata0: resetting devices .. done
ad0: READ command timeout - resetting
ata0: resetting devices .. done
ad0: READ command timeout - resetting
ata0-master: WARNING: WAIT_READY active=ATA_ACTIVE_ATA
ad0: trying fallback to PIO mode
ata0: resetting devices .. done
==========
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