Gata cu problemele legate de Kathrein UFS 910.

Nu va faceti griji daca receptorul nu mai porneste!
Procedura este urmatoare:

1. Modulul nativ FTP aflat in kernelul LINUX de pe Kathrein 910 contine TFTP (Trivial FTP)
care permite transferul prin interfata enternet dispre PC spre receptor a fisierului Emergency.ub

2. Transferul TFTP dinspre PC spre receptor se fac intre TFTP ( Linux de pe BOX) si un program server ( TFTPD32 )
care se instaleaza si ruleaza pe PC.

3. ATENTIE! Trebuie sa conectati simultan receptorul si PC-ul cu ajutorul unui cablu null-modem si a unui cablu ethernet.

4. Pentru a incepe operatia aveti nevoie de urmatoarele programe:

- TFTPD32 programul server TFTP ( il gasiti la http://tftpd32.jounin.net/ ) pe care-l instalati intr-un director , fixati acest director pe interfata ( browse ) , intrati in Settnigs , pastrati doar functia Server TFTP ( Global Settings) , bifati "Use this IP on interface" si alegeti din drop-list IP PC-ului , dati OK si apoi Apply si reporniti programul .

- "emergency.ub" - kernelul rescue ( il gasiti la http://np-ulc.net/ -> receiver -> Kathrein ) si faceti download pe emergency.zip desfaceti arhiva si puneti emergency.ul in directorul serverului TFTPD32;

- porniti HyperTerminal ( il gasiti in WIN XP la Accesories-Comunications-Hyperterminal), dati un nume de sesiune, alegeti COM1 , alegeti viteza de 115.200 bauds si veti avea pe ecran fereastra de comunicatie seriala BOX<->PC

- pregatiti un memory stick cu noua imagine ( formatat, cu structura \kathrein\ufs910 ) imaginea noua o puteti gasi tot la http://np-ulc.net ( este recomandat sa introduceti imaginea 1.3 cu 6 fisiere),si-l introduceti in conectorul USB de pe panou frontal.

ATENTIE! Pentru a fi siguri ca stick-ul este recunoscut de receptor, este de preferat ca acesta sa fie formatat cu cu HP USB Disk Storage Format (il gasiti la http://files.extremeoverclocking.com/file.php?f=197)

Dupa care faceti urmatorii pasi:

- porniti receptorul de la comutatorul de retea (din spate);
- dati ENTER imediat cum apare in ferestra Hyperterminalului mesajul de boot Linux ... daca reusiti din prima reluati fara nicio problema);
- veti obtine prompterul kernel STB 7100-Ref> acum trebuie sa introduceti:
loadb a4000000, dupa care ENTER;
- in prompterul kernel apare ## Ready for binary (kermit) download to 0xA4000000 at 115200 bps...
- in Hyperterminal dati clic dreapta pe SEND file, alegeti protocolul Kermit iar in Browse la filename incarcati fisierul Emergency.ub, dupa care dati Send, moment in care incepe transferul din PC in receptor (dureaza cam 9-10 min);
- dupa ce au fost transferate fisirelele introduceti : bootm a4000000, dupa care ENTER
- in acest moment kernelul rescue porneste si identifica Stick-ul si porneste clasica procedura de update.
- pe prompter trebuie sa apara urmatoarele:

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ST40-ehci ST40-ehci2: Unlink after no-IRQ? Controller is probably using the wro
ng IRQ.
usb 1-1.4: reset high speed USB device using ST40-ehci and address 3
scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 0 lu
n 0
SCSI error : <0 0 0 0> return code = 0x70000
end_request: I/O error, dev sda, sector 10847
Buffer I/O error on device sda1, logical block 10784
scsi0 (0:0): rejecting I/O to offline device
Buffer I/O error on device sda1, logical block 10785
Buffer I/O error on device sda1, logical block 10786
Buffer I/O error on device sda1, logical block 10787
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
Read Failed
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printk: 525 messages suppressed.
Buffer I/O error on device sda1, logical block 32720
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scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
Read Failed
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FAT: unable to read inode block for updating (i_pos 124676)
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Buffer I/O error on device sda1, logical block 28472
scsi0 (0:0): rejecting I/O to offline device
Buffer I/O error on device sda1, logical block 28472
scsi0 (0:0): rejecting I/O to offline device
Buffer I/O error on device sda1, logical block 24856
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scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
scsi0 (0:0): rejecting I/O to offline device
Read Failed
Finished
scsi0 (0:0): rejecting I/O to offline device
FAT: unable to read inode block for updating (i_pos 124685)
scsi0 (0:0): rejecting I/O to offline device
printk: 260 messages suppressed.
Buffer I/O error on device sda1, logical block 7793
lost page write due to I/O error on sda1
scsi0 (0:0): rejecting I/O to offline device
FAT bread failed in fat_clusters_flush
Rebooting
Rebooting
/ # umount: ramfs busy - remounted read-only
umount: Cannot remount ramfs read-only
umount: Couldn't umount /var: No such file or directory
The system is going down NOW
Sending SIGTERM to all processes.
Sending SIGKILL to all processes.
Sending SIGKILL to all processes.
Please stand by while rebooting the system.

- introduceti apoi imaginea originala 1.04:
- mai departe fiecare poate introduce pe propria raspundere alte imagini

Spor la treaba!