Very Computer

- Badari

kernel BUG at drivers/base/core.c:251!
invalid operand: 0000
qla2200  
CPU:    0
EIP:    0060:[<c023eb24>]    Not tainted
EFLAGS: 00010202
EIP is at put_device+0x64/0x90
eax: 00000000   ebx: f8a08028   ecx: f8a080c4   edx: 00000001
esi: c3aded54   edi: f8a08000   ebp: 00000003   esp: cb007ee4
ds: 0068   es: 0068   ss: 0068
Process rmmod (pid: 4803, threadinfo=cb006000 task=f62c98c0)
Stack: f8a08028 c0477a40 c02ce533 f8a08028 f8a08028 c0477b5c f8a08028 c0477b6c
       00000000 40153f6d 00000286 f68fc000 c0477a40 c3adec00 f4df0000 c02a7a9a
       c3adec00 cb007f30 00000002 00030002 00000001 08071002 c041685c 08070ffd
Call Trace:
 [<c02ce533>] sg_detach+0x1e3/0x210
 [<c02a7a9a>] scsi_unregister_host+0x26a/0x5d0
 [<c01f4736>] __generic_copy_to_user+0x56/0x80
 [<c013e4e8>] __alloc_pages+0x98/0x270
 [<f89e7cba>] exit_this_scsi_driver+0xa/0x10 [qla2200]
 [<f8a00360>] driver_template+0x0/0x74 [qla2200]
 [<c011ea0e>] free_module+0x1e/0x130
 [<c011dc94>] sys_delete_module+0x1b4/0x410
 [<c01075e3>] syscall_call+0x7/0xb

Code: 0f 0b fb 00 6c 3e 3c c0 8b 83 d4 00 00 00 85 c0 74 04 53 ff

--
Badari Pulavarty

IBM Linux Technology Center - Kernel Team
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--- linux-2.5.42/drivers/scsi/st.c      Fri Oct 11 21:22:11 2002

                                                   &dev_attr_type);
                                device_remove_file(&tpnt->driverfs_dev_r[mode],
                                                   &dev_attr_kdev);
-                               put_device(&tpnt->driverfs_dev_r[mode]);
+                               device_unregister(&tpnt->driverfs_dev_r[mode]);
                                device_remove_file(&tpnt->driverfs_dev_n[mode],
                                                   &dev_attr_type);
                                device_remove_file(&tpnt->driverfs_dev_n[mode],
                                                   &dev_attr_kdev);
-                               put_device(&tpnt->driverfs_dev_n[mode]);
+                               device_unregister(&tpnt->driverfs_dev_n[mode]);
                        }
                        if (tpnt->buffer) {
                                tpnt->buffer->orig_frp_segs = 0;
--- linux-2.5.42/drivers/scsi/sg.c      Fri Oct 11 21:22:07 2002

                sdp->de = NULL;
                device_remove_file(&sdp->sg_driverfs_dev, &dev_attr_type);
                device_remove_file(&sdp->sg_driverfs_dev, &dev_attr_kdev);
-               put_device(&sdp->sg_driverfs_dev);
+               device_unregister(&sdp->sg_driverfs_dev);
                if (NULL == sdp->headfp)
                        vfree((char *) sdp);
        }
--- linux-2.5.42/drivers/scsi/scsi.c    Fri Oct 11 21:22:08 2002

                        if (HBA_ptr->hostt->slave_detach)
                                (*HBA_ptr->hostt->slave_detach) (scd);
                        devfs_unregister (scd->de);
+                       device_unregister(&scd->sdev_driverfs_dev);
                        scsi_release_commandblocks(scd);

                        if (shpnt->hostt->slave_detach)
                                (*shpnt->hostt->slave_detach) (SDpnt);
                        devfs_unregister (SDpnt->de);
-                       put_device(&SDpnt->sdev_driverfs_dev);
+                       device_unregister(&SDpnt->sdev_driverfs_dev);
                }
        }

                /* Remove the /proc/scsi directory entry */
                sprintf(name,"%d",shpnt->host_no);
                remove_proc_entry(name, tpnt->proc_dir);
-               put_device(&shpnt->host_driverfs_dev);
+               device_unregister(&shpnt->host_driverfs_dev);
                if (tpnt->release)
                        (*tpnt->release) (shpnt);
                else {
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Hi. Sorry about the delay; I'm slowly wading through the last week's
email.

Quote:> kernel BUG at drivers/base/core.c:251!
> invalid operand: 0000
> qla2200  
> CPU:    0
> EIP:    0060:[<c023eb24>]    Not tainted
> EFLAGS: 00010202
> EIP is at put_device+0x64/0x90
> eax: 00000000   ebx: f8a08028   ecx: f8a080c4   edx: 00000001
> esi: c3aded54   edi: f8a08000   ebp: 00000003   esp: cb007ee4
> ds: 0068   es: 0068   ss: 0068
> Process rmmod (pid: 4803, threadinfo=cb006000 task=f62c98c0)
> Stack: f8a08028 c0477a40 c02ce533 f8a08028 f8a08028 c0477b5c f8a08028 c0477b6c
>        00000000 40153f6d 00000286 f68fc000 c0477a40 c3adec00 f4df0000 c02a7a9a
>        c3adec00 cb007f30 00000002 00030002 00000001 08071002 c041685c 08070ffd
> Call Trace:
>  [<c02ce533>] sg_detach+0x1e3/0x210

The BUG() was added to catch people still using the wrong call. The SCSI
patch that Mike Anderson posted last night should have this fixed in it.

        -pat

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Patrick Mansfield re-posted a patch yesterday to cover the sg and other
scsi upper level drivers not alreay corrected. Here is a pointer to
Patrick's mail.

http://marc.theaimsgroup.com/?l=linux-kernel&m=103479992624108&w=2

-andmike
--
Michael Anderson

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