Vyroba image pri vypalovani

[Jan Prikryl]

> Date: Thu, 25 Sep 1997 17:39:08 +0200 (MEST)
> From: Leos Bitto <bitto na atrey.karlin.mff.cuni.cz>
> To: Multiple recipients of list <linux na muni.cz>
> Subject: Re: Vyroba image pri vypalovani

> A co zkusit tohle:
> 
> head --bytes `isosize /dev/scd0` < /dev/scd0 > image
> 
> tim usetrite jeden proces a tu rouru, takze by to mohlo byt rychlejsi.

Davam si pohlavek, ze mne to neapadlo driv. Vyzkousim taky.

K tomu mkisofs: tentokrat nezcorovalo hned (jako kdyz jsem ho pustil
poprve), ani nezamrzlo (jako kdyz jsem ho pustil podruhe), ale
zcorovalo to pri zhruba 70% nactenych dat a to tak ze v logu mam:

| Sep 25 17:55:53 launzatte kernel: Detected scsi CD-ROM sr0 at scsi0, channel 0, id 5, lun 0
| Sep 25 18:11:19 launzatte kernel: general protection: 0000
| Sep 25 18:11:19 launzatte kernel: CPU:    0
| Sep 25 18:11:19 launzatte kernel: EIP:    0010:[find_candidate+45/244]
| Sep 25 18:11:19 launzatte kernel: EFLAGS: 00010202
| Sep 25 18:11:19 launzatte kernel: eax: f000e14c   ebx: 02047e9c   ecx: 0020e008   edx: f000e14c
| Sep 25 18:11:19 launzatte kernel: esi: 00000000   edi: 02047e9c   ebp: 00000200   esp: 02047e64
| Sep 25 18:11:19 launzatte kernel: ds: 0018   es: 0018   fs: 002b   gs: 002b   ss: 0018
| Sep 25 18:11:19 launzatte kernel: Process mkisofs (pid: 501, process nr: 54, stackpage=02047000)
| Sep 25 18:11:19 launzatte kernel: Stack: 02047e9c 00000000 00000200 00008000 f000e14c 00124531 0072d698 02047e9c 
| Sep 25 18:11:19 launzatte kernel:        00000200 0030c170 001c0815 00000000 00000200 001c0815 00000002 00000200 
| Sep 25 18:11:19 launzatte kernel:        00dcee18 00000965 0012487b 00000815 001249aa 00000200 0030c170 001c8f4c 
| Sep 25 18:11:19 launzatte kernel: Call Trace: [refill_freelist+153/948] [getblk+47/936] [getblk+350/936] [appletalk+208/16384] [
| appletalk+13911/16384] [appletalk+6839/16384] [sys_write+315/372] 
| Sep 25 18:11:19 launzatte kernel:        [system_call+85/124] 
| Sep 25 18:11:19 launzatte kernel: Code: 39 6a 20 74 16 6a 01 8d 44 24 14 50 52 e8 1d 16 00 00 83 c4 

Mno ... nevim, skoly na to nemam, ale tohle vypada na chybu v kernelu
(2.0.30), fuj. 

-- JP

-------------------------------------------------------------------------
               Jan Prikryl <prikryl na cg.tuwien.ac.at>
         http://www.cg.tuwien.ac.at/staff/JanPrikryl.html
         Institute of Computer Graphics and Visualisation
             Vienna University of Technology, Austria
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