cdrom problem in 2.4.20-pre5-ac1,ac2

cdrom problem in 2.4.20-pre5-ac1,ac2

[Marek Mentel]

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 Repeatable system crash when I am trying to copy
 files from cdrom  ( tested on different discs - no media errors ) 
 using  2.4.20-pre5-ac1  or   ac2   .
   [ full log in attached file ]

  With 2.4.19-rc3-ac4  all is OK

Sep  5 19:11:48 bulma kernel: kernel BUG in header file at line 157
Sep  5 19:11:48 bulma kernel: kernel BUG at panic.c:286!
Sep  5 19:11:48 bulma kernel: invalid operand: 0000
Sep  5 19:11:48 bulma kernel: CPU:    0
Sep  5 19:11:48 bulma kernel: EIP:    0010:[__out_of_line_bug+15/32] 
  Not tainted
Sep  5 19:11:48 bulma kernel: EFLAGS: 00010286
....

then 

Sep  5 19:12:18 bulma kernel:  scsi : aborting command due to timeout
: pid 41, scsi1, channel 0, id 0, lun 0 Read (10) 00 00 01 3a 2e 00
00 0c 00 
Sep  5 19:12:44 bulma kernel: Unable to handle kernel paging request
at virtual address 55550073
Sep  5 19:12:44 bulma kernel:  printing eip:
Sep  5 19:12:44 bulma kernel: c0111713
Sep  5 19:12:44 bulma kernel: *pde = 00000000
Sep  5 19:12:44 bulma kernel: Oops: 0000
Sep  5 19:12:44 bulma kernel: CPU:    0
Sep  5 19:12:44 bulma kernel: EIP:    0010:[__wake_up+51/96]    Not
tainted
Sep  5 19:12:44 bulma kernel: EFLAGS: 00010002
...
and a lot of  

Sep  5 19:12:48 bulma kernel: SCSI host 1 abort (pid 41) timed out -
resetting
Sep  5 19:12:48 bulma kernel: SCSI bus is being reset for host 1
channel 0.
Sep  5 19:12:49 bulma kernel: scsi : aborting command due to timeout
: pid 41, scsi1, channel 0, id 0, lun 0 Read (10) 00 00 01 3a 2e 00
00 0c 00 
Sep  5 19:12:49 bulma kernel: SCSI host 1 abort (pid 41) timed out -
resetting
Sep  5 19:12:49 bulma kernel: SCSI bus is being reset for host 1
channel 0.
Sep  5 19:12:49 bulma kernel: scsi : aborting command due to timeout
: pid 41, scsi1, channel 0, id 0, lun 0 Read (10) 00 00 01 3a 2e 00
00 0c 00 
Sep  5 19:12:49 bulma kernel: SCSI host 1 abort (pid 41) timed out -
resetting
Sep  5 19:12:49 bulma kernel: SCSI bus is being reset for host 1
channel 0.
Sep  5 19:12:50 bulma kernel: scsi : aborting command due to timeout
: pid 41, scsi1, cSep  5 19:13:45 bulma kernel: SCSI bus is being
reset for host 1 channel 0.


--------------------------------------------------------
 Marek Mentel  mmark@koala.ichpw.zabrze.pl  2:484/3.8          
 INSTITUTE FOR CHEMICAL PROCESSING OF COAL , Zabrze , POLAND
 NOTE: my opinions are strictly my own and not those of my employer



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Re: cdrom problem in 2.4.20-pre5-ac1,ac2

[Tomas Szepe]

>  Repeatable system crash when I am trying to copy
>  files from cdrom  ( tested on different discs - no media errors ) 
>  using  2.4.20-pre5-ac1  or   ac2   .
>    [ full log in attached file ]

Would you mind reading the release notes of the kernel you are using?
This is a known problem with the current IDE code in -ac.