ÀÌ °÷Àº ³»°¡ ÇÑ ÀÏ ¸ðµÎ¸¦ ¼ø¼´ë·Î Àû¾ú´Ù. kernel panicÀ¸·Î ÀÎÇÑ ÀýÂ÷µéÀº °Ç³Ê ¶Ù¾îµµ µÈ´Ù :-). super-user·Î¼ ÀÌ process¸¦ ÁøÇà½ÃÄÑ¾ß ÇÔÀ» ¸í½ÉÇÏÀÚ.
--> kernel panic ¹ß»ý
--> ¿©ÀüÈ÷ Kernel panic
Mike McKenna(¿ì¸® ±¸¿ª hardware ´ã´çÀÚ)¿Í ³ª´Â ¿©±âÀú±â ¾à°£ settingÀ» ¹Ù²Ù¾ú´Ù. ¾Æ·¡¿¡ ÀÖ´Â listµéÁß Çϳª°¡ ¸ðµç error¸¦ Àâ¾Ò´Ù. ³ª´Â "Enable Disconnection"¸¦ CD writer¿¡ »óÀÀÇÏ´Â SCSI ID#¸¦ À§Çؼ "no"·Î ¹Ù²Û °ÍÀÌ error¸¦ Àâ¾Ò´Ù°í 90% È®½ÅÇÑ´Ù. ÇÏÁö¸¸ settingÀ» ÇÑ µÚ, CD¸¦ ±¸¿öº» ÀûÀÌ ¾ø´Ù. ÀÌ °ÍÀ» ¸ÕÀú ÇØº¸°í, ¾È µÇ¸é ´Ù¸¥ °ÍÀ» ÇØº¸±â ¹Ù¶õ´Ù. bootingÇÒ ¶§, Ctrl-A¸¦ ´·¯ SCSI-select utilityÀÇ "Configure/View Host Adapter Settings"·Î µé¾î°£´Ù. ´ÙÀ½Àº ³»°¡ Çß´ø settingÀÌ´Ù.
Host Adapter IRQ Channel -> 11
Host Adapter DMA Channel -> 5
Host Adapter SCSI ID -> 7
[BIOS Revision: 2.02; Base Address: DC000h; Firmware: Rev. B.0; Checksum: A223h]
(these should be irrelevant to you; DO NOT change the settings above)
SCSI Parity Checking Enabled
DMA Transfer Rate 5.0 MB/sec
Host Adapter SCSI Termination Enabled
SCSI Device Configuration
(note hard drive = #0, writer = #1, 1542 = #7)
#0 #1 #2 #3 #4 #5 #6 #7
Enable Sync Negotiation no no no no no no no no
Enable FAST SCSI no no no no no no no no
Enable Disconnection yes no yes yes yes yes yes yes
Send Start Unit Command no yes no no no no no no
*(default is all yes for Enable Disconnection and all no for Send Start Unit Command)
Advanced Configuration Options
Floppy Controller I/O Port (AHA-1542CF only) 3F0h-3F7h
Reset SCSI Bus at Power-On Enabled
Host Adapter BIOS (Configuration Utility Reserves BIOS Space) Enabled
System Boot (INT 19h) Controlled by Host Adapter BIOS Enabled
Extended BIOS Translation for DOS Drives > 1 GByte Disabled
*Support Removable Disks Under BIOS as Fixed Disks Enabled
Dynamically Scan SCSI Bus for BIOS Devices Disabled
BIOS Support for More Than 2 Drives (MS-DOS(R) 5.0 and above) Disabled
Immediate Return On Seek Command Enabled
Display <Ctrl><A> Message During BIOS Initialization Enabled
*BIOS Support for Floptical Drives Enabled
*Ç¥¿Í ´Ù¸¥ °ÍÀº default¿Í ´Ù¸¥ °ÍÀÌ´Ù. ÇÊ¿äÇÏÁö ¾ÊÀº °Í±îÁö Æ÷ÇÔÇÑ Àüü list¸¦ º¸¿©ÁÖ°Ô µÇ¾î ¹Ì¾ÈÇÏ´Ù. ÇÏÁö¸¸, SCSI Ãʺ¸ÀÚ´Â ÁÁ¾ÆÇÒ °ÍÀ̶ó°í »ý°¢ÇÑ´Ù. REMEMBER: ³»°¡ »ý°¢Çϱ⿡ ÇÊ¿äÇÑ º¯È´Â "Enable Disconnection for the ID#"»ÓÀÌ´Ù. yes¸¦ no·Î ¹Ù²Ù¸é µÈ´Ù.
°á°ú´Â: no panic; CDROM drive¸¦ sr0·Î ÀνÄÇϰí, SCSI generic drvier´Â Ç×»ó ±×·¸µíÀÌ ÀνÄÇß´ÂÁö ¿©ºÎ¸¦ ¾Ë·Á¿ÀÁö ¾Ê¾Ò´Ù.
# mkisofs -o /home/cd.image /home/dir_to_archive
[tsx-11.mit.eduÀÇ /pub/linux/BETA/cdrom/mkisofs-1.00.tar.gz¸¦ °¡Á®´Ù°¡ »ç¿ë. version 1.01±îÁö ÀÖÀ½.]
¶Ç ´Ù¸¥ toolÀÎ iso9660-diagnose.tar.gz¸¦ °°Àº µð·ºÅ丮¿¡¼ °¡Á® ¿Ã ¼ö
ÀÖ´Ù.
section 3¿¡¼ mkisofsÀÇ »ç¿ë¹ý ÂüÁ¶
# /dev/MAKEDEV sg
Joseph Julicher´Â SCSI inquiry byte¸¦ ó¸®Çϵµ·Ï kernel hackingÀ» Á¦¾ÈÇÏ¿´´Ù. (0x1f¿Í bit maskingÀ» ÇÏ¸é µÈ´Ù). ¶ÇÇÑ TYPE_WORM drive¸¦ "¾²±â°¡´É"À¸·Î ¹Ù²Ù¾ú´Ù; Á¦´ë·Î ¿õÁ÷ÀÌ°Ô ÇÏ´Â µ¥ ÇÊ¿äÇÑ °ÍÀÎÁö´Â È®½ÅÇÏÁö´Â ¸øÇÏÁö¸¸. »ç½Ç ³ª´Â ¸ðµç °ÍÀ» "¾²±â°¡´É"À¸·Î ¹Ù²Ù¾î ³õ¾Ò´Ù. (º¼Ç°¾øÁö¸¸, È¿°úÀûÀÌ´Ù!)
The original /usr/src/{linux-1.1.64/}linux/drivers/scsi/scsi.c
(beginning around line 361)
switch (type = scsi_result[0])
{
case TYPE_TAPE :
case TYPE_DISK :
case TYPE_MOD :
SDpnt->writeable = 1;
break;
case TYPE_WORM :
case TYPE_ROM :
SDpnt->writeable = 0;
break;
default :
I changed it to:
switch (type = scsi_result[0] & 0x1f)
{
case TYPE_TAPE :
case TYPE_DISK :
case TYPE_MOD :
case TYPE_WORM :
case TYPE_ROM : /* probably shouldn't be writeable :) */
SDpnt->writeable = 1;
break;
default :
[tsx-11.mit.eduÀÇ /pub/linux/BETA/cdrom/private/mkisofs/cdwrite-1.3.tar.gz¸¦ °¡Áö°í ÀÖ´Ù.]
line 439ºÎÅÍ original programÀº ´ÙÀ½°ú °¥Àº code¸¦ °®°í ÀÖ¾ú´Ù.
set_timeout(fd, timeout);
/* First make sure we know how to talk to this writer */
inquiry (fd, &reply_len, &reply, &manufacturer[0], &model[0]);
if(strcmp(manufacturer,"PHILLIPS")) {
³ª´Â À§¿¡ ´ÙÀ½ µÎÁÙÀ» ÷°¡ÇÔÀ¸·Î½á programÀ» ¹Ù²Ù¾ú´Ù.
/* new #define from drivers/scsi/scsi.h; orig program had this defined */
#define SG_SET_TIMEOUT 0x2201
(Following code replaced orig. code around line 439)
/* set_timeout(fd, timeout);*/
if (ioctl(fd, SG_SET_TIMEOUT, SG_SET_TIMEOUT, &timeout) < 0) {
perror ("ioctl SG_SET_TIMEOUT");
exit(5);
}
/* First make sure we know how to talk to this writer */
inquiry (fd, &reply_len, &reply, &manufacturer[0], &model[0]);
if(strcmp(manufacturer,"IMS")) {
Philips CDD 521Àº "IMS"¸¦ manufacturer·Î ¹ÝȯÇϰí, ³ª´Â ¿ø·¡ programÀÌ Çß´ø °Íó·³ timeoutÀ» ¼³Á¤Çϵµ·Ï °íÃÆ´Ù. cdwrite package¸¦ Ç®¸é, ¿ø programÀº "orig" directory¿¡ ÀÖ´Ù.
SCSI generic support¸¦ °¡´ÉÇÏ°Ô ÇÒ °Í. ±×·¯ÇÏÁö ¾Æ´ÏÇϸé generic driver´Â kernel¿¡ Æ÷ÇÔµÇÁö ¾Ê´Â´Ù. ÇöÀç ¼öÇàµÇ°í ÀÖ´Â kernelÀ» ¹Ù²Ù±â À§Çؼ´Â reboot¸¦ ÇØ¾ßÇÑ´Ù.
¿¹¸¦ µé¾î, "cdwrite /dev/sgb < /home/cd.image"
sgb°¡ CD writer, ´Ù½Ã ¸»ÇØ SCSI generic device b
(hard drive°¡ generic device aÀ̹ǷÎ)À̰í,
/home/cd.image´Â mkisofs·Î ¸¸µç ISO9660 imageÀÌ´Ù.