On Wednesday 10 January 2007 00:03, Tvrtko A. Ursulin wrote:

[snip]

> Never ever I got anything from the serial line. I suspected my USB-RS232
> dongle but when damn ActiveSync was automatically started I saw handshake
> lines being pulled. Something which never happened when booting the kernel
> (and yes I have turned on hardware handshaking in some attempts).

Today I took the whole lot to work to try it on a real rs232 port and it was a 
success. Well, out of a few attempts it only got as far as sending/outputting 
text once but that precious log is now here (see below - it's only slightly 
corrupted, presumably because of the absence of hardware handshaking).

Failure to work with USB dongle is damn curios esp. since the same dongle 
works with other stuff. I had similar experiences before when two serial 
ports which were on margin of tolerances didn't want to play together nicely 
or at all. Who knows...

Anyway, the main stuff... could it be that the interrupt problems it mentions 
early is to blame for all unpredictability and later mmc failures?

Uncompressing Linux........................Linux version 2.6.20-rc2 
([EMAIL PROTECTED]) (gcc version 4.1.1) #0 PREEMPT Wed Jan7CPU: XScale-PXA270 
[69054117] revision 7 (ARMv5TE), cr=0000397f
Machine: HP iPAQ HX2750
Memory policy: ECC disabled, Data cache writeback
Run Mode clock: 208.00MHz (*16)
Turbo Mode clock: 520.00MHz (*2.5, active)
Memory clock: 208.00MHz (/2)
System bus clock: 208.00MHz
CPU0: D VIVT undefined 5 cache
CPU0: I cache: 32768 bytes, associativity 32, 32 byte lines, 32 sets
CPU0: D cache: 32768 bytes, associativity 32, 32 byte lines, 32 sets
Built 1 zonelists.  Total pages: 16256
Kernel command line: root=/dev/mmcblk0p2 rw mem=64M cachepolicy=writeback 
conso5PID hash table entries: 256 (order: 8, 1024 bytes)
start_kernel(): bug: interrupts were enabled early
Console: colour dummy device 80x30
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 62464KB available (2116K code, 213K data, 88K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
SSP Devices Initialised
NET: Registered protocol family 2
IP route cache hash table entries: 512 (order: -1, 2048 bytes)
TCP established hash table entries: 2048 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 2048 bind 1024)
TCP reno registered
input: pxa2xx-keys as /class/input/input0
NetWinder Floating Point Emulator V0.97 (double precision)
JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler anticipatory registered (default)
hx2750 Backlight Driver Initialized.
Console: switching to colour frame buffer device 30x40
pxa2xx-uart.0: ttyS0 at MMIO 0x40100000 (irq = 22) is a FFUART
pxa2xx-uart.1: ttyS1 at MMIO 0x40200000 (irq = 21) is a BTUART
pxa2xx-uart.2: ttyS2 at MMIO 0x40700000 (irq = 20) is a STUART
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
loop: loaded (max 8 devices)
input: tsc2101_ts as /class/input/input1
tsc2101 touchscreen driver initialized
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
power.c: Adding power management to input layer
sa1100-rtc sa1100-rtc: rtc core: registered sa1100-rtc as rtc0
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
XScale iWMMXt coprocessor detected.
hx2750 Test Code Initialized.
sa1100-rtc sa1100-rtc: setting the system clock to 1995-05-10 23:56:30 
(8001501)Waiting 5sec before mounting root device...
pccard: PCMCIA card inserted into slot 0
pcmcia: registering new device pcmcia0.0
mmcblk0: mmc0:1234 SD02G 1992704KiB
 mmcblk0: p1 p2 p3 p4
mmcblk0: error 2 transferring data
end_request: I/O error, dev mmcblk0, sector 35723
Buffer I/O error on device mmcblk0p2, logical block 1
lost page write due to I/O error on mmcblk0p2
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 88K
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 36725
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