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SubjectRe: Linux 2.4.21pre4-ac2 : hangs at flushing hda hdc
On Wed, 5 Feb 2003, about 2.4.21-pre4-ac2, Jurriaan wrote:
> Some of these may be responsible for something new: my system hangs at shutdown,
> saying 'flushing ide devices: hda hdc'. This didn't happen with
> 2.4.21pre3-ac5. hdc is a cdwriter, used as ide-scsi.

same thing for me:
2.4.21-pre4-ac1 seems the most stable ever for my hardware (not a single
hang or freeze, any other kernel would freeze more or less once a day)
but still needs longer testing for validation regarding my troubles.

2.4.21-pre4-ac2 systematically hangs at shutdown/reboot ending with:
flushing ide devices: hda hdc

here below my lspci / hdparm -I / /proc/interrupts / /proc/pci

**************************************************************************
3 [15:54] sjd@mint:/home/jd# lspci
00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge (rev 02)
00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 82)
00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti4200] (rev a3)
02:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80)
02:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)

**************************************************************************
4 [15:55] sjd@mint:/home/jd# hdparm -I /dev/hda

/dev/hda:

non-removable ATA device, with non-removable media
Model Number: Maxtor 6Y120P0
Serial Number: Y40FKPWE
Firmware Revision: YAR41VW0
Standards:
Supported: 1 2 3 4 5 6 7
Likely used: 7
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
bytes/track: 0 (obsolete)
bytes/sector: 0 (obsolete)
current sector capacity: 16514064
LBA user addressable sectors = 240121728
Capabilities:
LBA, IORDY(can be disabled)
Buffer size: 7936.0kB ECC bytes: 57 Queue depth: 1
Standby timer values: spec'd by standard, no device specific minimum
r/w multiple sector transfer: Max = 16 Current = 16
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* NOP cmd
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* look-ahead
* write cache
* Power Management feature set
Security Mode feature set
SMART feature set
SET MAX security extension
Advanced Power Management feature set
* DOWNLOAD MICROCODE cmd
Security:
Master password revision code = 65534
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
Checksum: correct

**************************************************************************
5 [15:55] sjd@mint:/home/jd# hdparm -I /dev/hdc

/dev/hdc:

ATAPI CD-ROM, with removable media
Model Number: JLMS DVD-ROM LTD-166S
Serial Number:
Firmware Revision: DS0B
Standards:
Used: ATAPI for CD-ROMs, SFF-8020i, r2.5
Supported: CD-ROM ATAPI-2
Configuration:
DRQ response: 50us.
Packet size: 12 bytes
Capabilities:
LBA, IORDY(cannot be disabled)
DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=227ns IORDY flow control=120ns

**************************************************************************
6 [15:56] sjd@mint:/home/jd# cat /proc/interrupts
CPU0
0: 62486 XT-PIC timer
1: 3195 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 11820 XT-PIC eth0, Intel ICH4
10: 1 XT-PIC ohci1394
11: 45676 XT-PIC nvidia
12: 15124 XT-PIC PS/2 Mouse
14: 11519 XT-PIC ide0
15: 16 XT-PIC ide1
NMI: 0
LOC: 62452
ERR: 0
MIS: 0

**************************************************************************
7 [15:56] sjd@mint:/home/jd# cat /proc/pci
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge (rev 2).
Prefetchable 32 bit memory at 0xf0000000 [0xf7ffffff].
Bus 0, device 1, function 0:
PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge (rev 2).
Master Capable. Latency=64. Min Gnt=8.
Bus 0, device 30, function 0:
PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 130).
Master Capable. No bursts. Min Gnt=6.
Bus 0, device 31, function 0:
ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 2).
Bus 0, device 31, function 1:
IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 2).
IRQ 9.
I/O at 0xf000 [0xf00f].
Non-prefetchable 32 bit memory at 0x10000000 [0x100003ff].
Bus 0, device 31, function 5:
Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio (rev 2).
IRQ 5.
I/O at 0xa800 [0xa8ff].
I/O at 0xa400 [0xa43f].
Non-prefetchable 32 bit memory at 0xe4000000 [0xe40001ff].
Non-prefetchable 32 bit memory at 0xe3800000 [0xe38000ff].
Bus 1, device 0, function 0:
VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti4200] (rev 163).
IRQ 11.
Master Capable. Latency=248. Min Gnt=5.Max Lat=1.
Non-prefetchable 32 bit memory at 0xe6000000 [0xe6ffffff].
Prefetchable 32 bit memory at 0xe8000000 [0xefffffff].
Prefetchable 32 bit memory at 0xe7800000 [0xe787ffff].
Bus 2, device 3, function 0:
FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 128).
IRQ 10.
Master Capable. Latency=32. Max Lat=32.
Non-prefetchable 32 bit memory at 0xe5000000 [0xe50007ff].
I/O at 0xb800 [0xb87f].
Bus 2, device 11, function 0:
Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 16).
IRQ 5.
Master Capable. Latency=32. Min Gnt=32.Max Lat=64.
I/O at 0xb400 [0xb4ff].
Non-prefetchable 32 bit memory at 0xe4800000 [0xe48000ff].
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