bugDazuko - Bugs: bug #18344, Problem with Fedora 5 kernel...

 
 

bug #18344: Problem with Fedora 5 kernel 2.6.18-1.2239.fc5smp

Submitter:  Matthias Möller <mmoelle1>
Submitted:  Wed 22 Nov 2006 07:32:15 AM UTC
   
 
Status:  None Assigned to:  None
Open/Closed:  Open
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Thu 12 Apr 2007 08:19:52 AM UTC, comment #6: 

You may be interested in this support thread:

https://savannah.nongnu.org/support/index.php?105824

John Ogness <ogman>
Group administrator
Tue 23 Jan 2007 07:31:53 AM UTC, comment #5: 

Still happens. :-(
I've looked at the stack trace and the disassembly, the place where it crashes is the next instruction in dazuko_init after returning from xp_sys_hook. I think the page protection hack has some problem, but I don't know what's wrong exactly.

Kevin Kofler <kevinkofler>
Tue 23 Jan 2007 07:13:07 AM UTC, comment #4: 

Please verify if the problem still exists with 2.3.3-pre1.

John Ogness <ogman>
Group administrator
Wed 17 Jan 2007 07:12:07 AM UTC, comment #3: 

Can you try this with the current CVS HEAD? There have been some commits lately that may handle this situation.

John Ogness <ogman>
Group administrator
Tue 16 Jan 2007 07:50:13 PM UTC, comment #2: 

This also happens with kernel-2.6.19-1.2895.fc6, and I did configure with --sct-readonly.

Kevin Kofler <kevinkofler>
Mon 27 Nov 2006 03:44:28 PM UTC, comment #1: 

Please try configuring using

--sct-readonly

(in addition to the arguments you are already using).

Some information about this can be seen here:

http://www.dazuko.org/tload.shtml#CRASH

(although this describes the opposite problem).

John Ogness <ogman>
Group administrator
Wed 22 Nov 2006 07:32:15 AM UTC, original submission:  

I tried the latest 2.3.2-pre2 version of dazuko and compiled the module as follows

./configure --enable-syscalls --systemmap=/boot/System.map-2.6.18-1.2239.fc5smp

Compilation worked fine.
modprobe dazuko yields the following result:

BUG: unable to handle kernel paging request at virtual address c0614514
 printing eip:
f8d94f07
*pde = 00000000
Oops: 0003 [#1]
SMP
last sysfs file: /class/net/lan100/carrier
Modules linked in: dazuko(U) ipw3945(U) ieee80211(U) ieee80211_crypt(U) ipv6 autofs4 hidp rfcomm l2cap vmnet(U) vmmon(U) ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables dm_mirror dm_mod video sbs i2c_ec dock button battery asus_acpi ac lp parport_pc parport hci_usb bluetooth nvidia(U) joydev ohci1394 ieee1394 sg serio_raw snd_hda_intel e100 mii snd_hda_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq e1000 snd_seq_device snd_pcm_oss ide_cd sata_sil24 snd_mixer_oss i2c_i801 ehci_hcd cdrom uhci_hcd snd_pcm i2c_core snd_timer snd soundcore pcspkr snd_page_alloc ext3 jbd ata_piix libata sd_mod scsi_mod
CPU:    0
EIP:    0060:[<f8d94f07>]    Tainted: PF     VLI
EFLAGS: 00010286   (2.6.18-1.2239.fc5smp #1)
EIP is at xp_sys_hook+0x192/0x217 [dazuko]
eax: c046cf2b   ebx: f8d98f00   ecx: e80c4d14   edx: c0614514
esi: e932b000   edi: f8d9a1b8   ebp: e932b37c   esp: e78d5ea8
ds: 007b   es: 007b   ss: 0068
Process modprobe (pid: 3690, ti=e78d5000 task=f72e6e10 task.ti=e78d5000)
Stack: e80c4c80 00000000 0fd00000 00000000 f8d95bdd f8d91feb f8d98f00 e932b000
       e932b3b0 c043f5f9 f8d98f48 c0627f05 f8d98f0c f8921d40 e78d5ef8 e3f37840
       f8d98f00 00000000 00000000 00000000 00000000 00000000 0000000e 00000000
Call Trace:
 [<f8d91feb>] dazuko_init+0x6f/0x90 [dazuko]
 [<c043f5f9>] sys_init_module+0x17cc/0x1965
 [<c0403ec9>] sysenter_past_esp+0x56/0x79
DWARF2 unwinder stuck at sysenter_past_esp+0x56/0x79
Leftover inexact backtrace:
 =======================
Code: a2 d9 f8 e8 80 a8 87 c7 89 e0 25 00 f0 ff ff 8b 00 05 b0 04 00 00 e8 7f a8 87 c7 8b 15 40 a2 d9 f8 83 c2 14 8b 02 a3 50 a2 d9 f8 <c7> 02 b7 3c d9 f8 8b 15 40 a2 d9 f8 81 c2 a4 00 00 00 8b 02 a3
EIP: [<f8d94f07>] xp_sys_hook+0x192/0x217 [dazuko] SS:ESP 0068:e78d5ea8
 <3>BUG: sleeping function called from invalid context at kernel/rwsem.c:20
in_atomic():0, irqs_disabled():1
 [<c04050ef>] dump_trace+0x69/0x1af
 [<c040524d>] show_trace_log_lvl+0x18/0x2c
 [<c0405800>] show_trace+0xf/0x11
 [<c04058fa>] dump_stack+0x15/0x17
 [<c04398c6>] down_read+0x12/0x20
 [<c0431a9b>] blocking_notifier_call_chain+0xe/0x29
 [<c0427b0c>] do_exit+0x1b/0x776
 [<c04057a1>] die+0x29d/0x2c2
 [<c0610b48>] do_page_fault+0x521/0x5fa
 [<c0404aa5>] error_code+0x39/0x40
DWARF2 unwinder stuck at error_code+0x39/0x40
Leftover inexact backtrace:
 [<c046cf2b>] sys_open+0x0/0x1e
 [<f8d94f07>] xp_sys_hook+0x192/0x217 [dazuko]
 [<f8d91feb>] dazuko_init+0x6f/0x90 [dazuko]
 [<c043f5f9>] sys_init_module+0x17cc/0x1965
 [<c046ea2c>] vfs_read+0xa6/0x157
 [<c0403ec9>] sysenter_past_esp+0x56/0x79
 =======================

This was also present in the 2.3.2-pre1 release but I thought it was fixed in pre2.

Regards,
  Matthias

Matthias Möller <mmoelle1>

 

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