<?xml version="1.0" encoding="UTF-8" ?>

<bugzilla version="5.2"
          urlbase="https://bugzilla.altlinux.org/"
          
          maintainer="jenya@basealt.ru"
>

    <bug>
          <bug_id>8017</bug_id>
          
          <creation_ts>2005-09-20 10:49:09 +0400</creation_ts>
          <short_desc>kernel oops при работе с сидюком</short_desc>
          <delta_ts>2007-11-02 09:52:46 +0300</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>4</classification_id>
          <classification>Development</classification>
          <product>Sisyphus</product>
          <component>kernel-image-std26-up</component>
          <version>unstable</version>
          <rep_platform>all</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>CLOSED</bug_status>
          <resolution>WORKSFORME</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>6390</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Kachalov Anton">mouse</reporter>
          <assigned_to name="Sergey Vlasov">vsu</assigned_to>
          <cc>mike</cc>
          
          <qa_contact>qa-sisyphus</qa_contact>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>30791</commentid>
    <comment_count>0</comment_count>
    <who name="Kachalov Anton">mouse</who>
    <bug_when>2005-09-20 10:49:09 +0400</bug_when>
    <thetext>При попытке поработать с /dev/scd0 получил такое:

Sep 20 10:34:20 mouse kernel: cdrom: sr0: mrw address space DMA selected
Sep 20 10:35:32 mouse last message repeated 2 times
Sep 20 10:35:39 mouse kernel: cdrom: sr0: mrw address space DMA selected
Sep 20 10:35:51 mouse kernel: attempt to access beyond end of device
Sep 20 10:35:51 mouse kernel: sr0: rw=0, want=68, limit=4
Sep 20 10:35:51 mouse kernel: isofs_fill_super: bread failed, dev=sr0,
iso_blknum=16, block=16
Sep 20 10:35:51 mouse kernel: attempt to access beyond end of device
Sep 20 10:35:51 mouse kernel: sr0: rw=0, want=68, limit=4
Sep 20 10:35:51 mouse submountd: mount failure, Invalid argument
Sep 20 10:35:51 mouse kernel: attempt to access beyond end of device
...
sr0: rw=0, want=911280, limit=4
attempt to access beyond end of device
sr0: rw=0, want=911056, limit=4
attempt to access beyond end of device
sr0: rw=0, want=1252, limit=4
attempt to access beyond end of device
sr0: rw=0, want=1028, limit=4
UDF-fs: No partition found (1)
subfs: /sbin/submountd unsuccessful attempt to mount media (256)
ide-scsi: unsup command: dev hdc: flags = REQ_CMD REQ_STARTED 
sector 0, nr/cnr 1/1
bio dffda680, biotail dffda680, buffer d3591000, data 00000000, len 0
end_request: I/O error, dev hdc, sector 0
FAT: unable to read boot sector
Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c0198968
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: nls_koi8_r udf isofs kqemu squashfs zlib_inflate vfat fat nls
_base loop nfs snd_pcm_oss snd_mixer_oss snd_maestro3 snd_ac97_codec snd_pcm snd
_timer snd_page_alloc binfmt_misc fglrx nfsd exportfs lockd sunrpc autofs4 optio
n usbserial thermal pcspkr fan snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_de
vice snd soundcore parport_pc parport 8250_pnp 8250 serial_core uhci_hcd ehci_hc
d usbcore 8021q 8139too mii subfs reiserfs tsdev evdev dm_mod via_agp agpgart ps
mouse processor button ac sr_mod cdrom battery ide_scsi scsi_mod rtc ext3 jbd mb
cache ide_disk ide_generic via82cxxx ide_core
CPU:    0
EIP:    0060:[&lt;c0198968&gt;]    Tainted: P      VLI
EFLAGS: 00010286   (2.6.12-std26-up-alt4) 
EIP is at get_kobj_path_length+0x18/0x30
eax: 00000000   ebx: 00000000   ecx: ffffffff   edx: df29a090
esi: 00000001   edi: 00000000   ebp: ffffffff   esp: d79b5dd4
ds: 007b   es: 007b   ss: 0068
Process mount (pid: 11125, threadinfo=d79b4000 task=d35a20a0)
Stack: cd963d40 cd68e000 fffffffb df29a090 c01989df df29a090 df29a090 cd963d40 
       cd68e000 fffffffb 00000000 c019912f df29a090 000000d0 fffffff4 cd963d40 
       cd68e000 fffffffb e125c0e0 c01991f9 df29a090 00000005 00000000 000000d0 
Call Trace:
 [&lt;c01989df&gt;] kobject_get_path+0xf/0x60
 [&lt;c019912f&gt;] do_kobject_uevent+0x1f/0xd0
 [&lt;c01991f9&gt;] kobject_uevent+0x19/0x20
 [&lt;c01570f4&gt;] bdev_uevent+0x34/0x40
 [&lt;c0157254&gt;] kill_block_super+0x14/0x30
 [&lt;c01568a8&gt;] deactivate_super+0x38/0x50
 [&lt;c01571e0&gt;] get_sb_bdev+0xe0/0x140
 [&lt;c013dbbd&gt;] kmem_cache_alloc+0x2d/0x40
 [&lt;e125a9ae&gt;] vfat_get_sb+0x1e/0x30 [vfat]
 [&lt;e125a940&gt;] vfat_fill_super+0x0/0x50 [vfat]
 [&lt;c015740c&gt;] do_kern_mount+0x8c/0x140
 [&lt;c016ac51&gt;] do_new_mount+0x61/0xb0
 [&lt;c016b27e&gt;] do_mount+0x1ae/0x1c0
 [&lt;c016b074&gt;] copy_mount_options+0x44/0xa0
 [&lt;c016b5db&gt;] sys_mount+0x7b/0xb0
 [&lt;c0102d79&gt;] syscall_call+0x7/0xb
Code: 56 e8 bd de fe ff 89 d8 5e 5b 5e c3 8d b4 26 00 00 00 00 55 57 56 53 be 01
 00 00 00 8b 54 24 14 31 db 83 cd ff 8b 3a 89 e9 89 d8 &lt;f2&gt; ae f7 d1 49 8b 52 24
 8d 74 31 01 85 d2 75 ea 89 f0 5b 5e 5f 

Oops случился после попытки смонтировать сидюк. До этого я пытался обратиться
через subfs.
Ядро 2.6.12-std26-up-alt4

$ cat /proc/cpuinfo 
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 10
model name      : AMD Athlon(tm) XP 2500+
stepping        : 0
cpu MHz         : 1824.870
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat
pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips        : 3612.67</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>30792</commentid>
    <comment_count>1</comment_count>
      <attachid>1122</attachid>
    <who name="Kachalov Anton">mouse</who>
    <bug_when>2005-09-20 10:49:45 +0400</bug_when>
    <thetext>Created attachment 1122
lsmod output</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>30827</commentid>
    <comment_count>2</comment_count>
    <who name="Andrey Rahmatullin">wrar</who>
    <bug_when>2005-09-21 07:00:46 +0400</bug_when>
    <thetext>ide-scsi давить, разве нет?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>54280</commentid>
    <comment_count>3</comment_count>
    <who name="Michael Shigorin">mike</who>
    <bug_when>2007-08-18 17:25:01 +0400</bug_when>
    <thetext>WORKSFORME? (ide-scsi тоже чинили; такого давно не видал)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>57342</commentid>
    <comment_count>4</comment_count>
    <who name="Michael Shigorin">mike</who>
    <bug_when>2007-11-02 09:52:46 +0300</bug_when>
    <thetext>DOESINDEED.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>1122</attachid>
            <date>2005-09-20 10:49:45 +0400</date>
            <delta_ts>2005-09-20 10:49:45 +0400</delta_ts>
            <desc>lsmod output</desc>
            <filename>lsmod.log</filename>
            <type>text/plain</type>
            <size>2874</size>
            <attacher name="Kachalov Anton">mouse</attacher>
            
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    </bug>

</bugzilla>