This is a relatively small changeset, to address small nagging problems.
Andrew pointed me at the double registration specifically, so I had to do
something about it. At least now Fabio's box won't collapse if he configures
UB by mistake. Also, a few people complained that the help text was
misleading.
I have not done anything about the oops on disconnect which happens to
Martin Schlemmer. It's next. After that I can get to Peter Jones' CD
burning patch and doing resets.
- Fix double kobject registration and eventual oops on unplug if a device
is not cooperating.
- Add a reference to usb-storage into the configuration help.
- Just upping timeouts fixes my ZIP drive.
- Max out the diag (trace) file size.
- Set capacity to zero in case the media is absent. It works in 2.4.10-rc1.
Either Al fixed the block layer, or the whole thing was a bug in ub.c
(and sd.c) and a big misunderstanding.
Signed-off-by: Pete Zaitcev
diff -urp -X dontdiff linux-2.6.10-rc1/drivers/block/Kconfig linux-2.6.10-rc1-ub/drivers/block/Kconfig
--- linux-2.6.10-rc1/drivers/block/Kconfig 2004-10-28 09:46:38.000000000 -0700
+++ linux-2.6.10-rc1-ub/drivers/block/Kconfig 2004-11-01 16:09:13.000000000 -0800
@@ -308,6 +308,8 @@ config BLK_DEV_UB
This driver supports certain USB attached storage devices
such as flash keys.
+ Warning: Enabling this cripples the usb-storage driver.
+
If unsure, say N.
config BLK_DEV_RAM
diff -urp -X dontdiff linux-2.6.10-rc1/drivers/block/ub.c linux-2.6.10-rc1-ub/drivers/block/ub.c
--- linux-2.6.10-rc1/drivers/block/ub.c 2004-10-28 09:46:38.000000000 -0700
+++ linux-2.6.10-rc1-ub/drivers/block/ub.c 2004-11-02 23:59:07.000000000 -0800
@@ -8,13 +8,11 @@
* and is not licensed separately. See file COPYING for details.
*
* TODO (sorted by decreasing priority)
- * -- ZIP does "ub: resid 18 len 0 act 0" and whole transport quits (toggles?)
+ * -- Do resets with usb_device_reset (needs a thread context, use khubd)
* -- set readonly flag for CDs, set removable flag for CF readers
* -- do inquiry and verify we got a disk and not a tape (for LUN mismatch)
* -- support pphaneuf's SDDR-75 with two LUNs (also broken capacity...)
* -- special case some senses, e.g. 3a/0 -> no media present, reduce retries
- * -- do something about spin-down devices, they are extremely dangerous
- * (ZIP is one. Needs spin-up command as well.)
* -- verify the 13 conditions and do bulk resets
* -- normal pool of commands instead of cmdv[]?
* -- kill last_pipe and simply do two-state clearing on both pipes
@@ -105,13 +103,11 @@ struct ub_dev;
#define UB_MAX_SECTORS 64
/*
- * A second ought to be enough for a 32K transfer (UB_MAX_SECTORS)
- * even if a webcam hogs the bus (famous last words).
- * Some CDs need a second to spin up though.
- * ZIP drive rejects commands when it's not spinning,
- * so it does not need long timeouts either.
+ * A second is more than enough for a 32K transfer (UB_MAX_SECTORS)
+ * even if a webcam hogs the bus, but some devices need time to spin up.
*/
#define UB_URB_TIMEOUT (HZ*2)
+#define UB_DATA_TIMEOUT (HZ*5) /* ZIP does spin-ups in the data phase */
#define UB_CTRL_TIMEOUT (HZ/2) /* 500ms ought to be enough to clear a stall */
/*
@@ -188,7 +184,7 @@ struct ub_capacity {
*/
#define SCMD_ST_HIST_SZ 8
-#define SCMD_TRACE_SZ 15 /* No more than 256 (trace_index) */
+#define SCMD_TRACE_SZ 63 /* Less than 4KB of 61-byte lines */
struct ub_scsi_cmd_trace {
int hcur;
@@ -267,6 +263,7 @@ struct ub_dev {
int changed; /* Media was changed */
int removable;
int readonly;
+ int first_open; /* Kludge. See ub_bd_open. */
char name[8];
struct usb_device *dev;
struct usb_interface *intf;
@@ -888,9 +885,6 @@ static void ub_scsi_urb_compl(struct ub_
int pipe;
int rc;
-/* P3 */ /** printk("ub: urb status %d pipe 0x%08x len %d act %d\n",
- urb->status, urb->pipe, urb->transfer_buffer_length, urb->actual_length); **/
-
if (atomic_read(&sc->poison)) {
/* A little too simplistic, I feel... */
goto Bad_End;
@@ -959,9 +953,12 @@ static void ub_scsi_urb_compl(struct ub_
ub_cmdtr_state(sc, cmd);
return;
}
- if (urb->status != 0)
+ if (urb->status != 0) {
+ printk("ub: cmd #%d cmd status (%d)\n", cmd->tag, urb->status); /* P3 */
goto Bad_End;
+ }
if (urb->actual_length != US_BULK_CB_WRAP_LEN) {
+ printk("ub: cmd #%d xferred %d\n", cmd->tag, urb->actual_length); /* P3 */
/* XXX Must do reset here to unconfuse the device */
goto Bad_End;
}
@@ -993,7 +990,7 @@ static void ub_scsi_urb_compl(struct ub_
return;
}
- sc->work_timer.expires = jiffies + UB_URB_TIMEOUT;
+ sc->work_timer.expires = jiffies + UB_DATA_TIMEOUT;
add_timer(&sc->work_timer);
cmd->state = UB_CMDST_DATA;
@@ -1379,12 +1376,7 @@ static void ub_revalidate(struct ub_dev
sc->readonly = 0; /* XXX Query this from the device */
- /*
- * XXX sd.c sets capacity to zero in such case. However, it doesn't
- * work for us. In case of zero capacity, block layer refuses to
- * have the /dev/uba opened (why?) Set capacity to some random value.
- */
- sc->capacity.nsec = 50;
+ sc->capacity.nsec = 0;
sc->capacity.bsize = 512;
sc->capacity.bshift = 0;
@@ -1399,7 +1391,7 @@ static void ub_revalidate(struct ub_dev
* We keep this because sd.c has retries for capacity.
*/
if (ub_sync_read_cap(sc, &sc->capacity) != 0) {
- sc->capacity.nsec = 100;
+ sc->capacity.nsec = 0;
sc->capacity.bsize = 512;
sc->capacity.bshift = 0;
}
@@ -1428,6 +1420,26 @@ static int ub_bd_open(struct inode *inod
sc->openc++;
spin_unlock_irqrestore(&ub_lock, flags);
+ /*
+ * This is a workaround for a specific problem in our block layer.
+ * In 2.6.9, register_disk duplicates the code from rescan_partitions.
+ * However, if we do add_disk with a device which persistently reports
+ * a changed media, add_disk calls register_disk, which does do_open,
+ * which will call rescan_paritions for changed media. After that,
+ * register_disk attempts to do it all again and causes double kobject
+ * registration and a eventually an oops on module removal.
+ *
+ * The bottom line is, Al Viro says that we should not allow
+ * bdev->bd_invalidated to be set when doing add_disk no matter what.
+ */
+ if (sc->first_open) {
+ if (sc->changed) {
+ sc->first_open = 0;
+ rc = -ENOMEDIUM;
+ goto err_open;
+ }
+ }
+
if (sc->removable || sc->readonly)
check_disk_change(inode->i_bdev);
@@ -1467,6 +1479,8 @@ static int ub_bd_release(struct inode *i
spin_lock_irqsave(&ub_lock, flags);
--sc->openc;
+ if (sc->openc == 0)
+ sc->first_open = 0;
if (sc->openc == 0 && atomic_read(&sc->poison))
ub_cleanup(sc);
spin_unlock_irqrestore(&ub_lock, flags);
@@ -1559,13 +1573,9 @@ static int ub_bd_media_changed(struct ge
*/
if (ub_sync_tur(sc) != 0) {
sc->changed = 1;
- /* P3 */ printk("%s: made changed\n", sc->name);
return 1;
}
- /* The sd.c clears this before returning (one-shot flag). Why? */
- /* P3 */ printk("%s: %s changed\n", sc->name,
- sc->changed? "is": "was not");
return sc->changed;
}
@@ -1919,6 +1929,8 @@ static int ub_probe(struct usb_interface
}
sc->removable = 1; /* XXX Query this from the device */
+ sc->changed = 1; /* ub_revalidate clears only */
+ sc->first_open = 1;
ub_revalidate(sc);
/* This is pretty much a long term P3 */
-- Pete
On Thu, Nov 04, 2004 at 12:08:40AM -0800, Pete Zaitcev wrote:
> This is a relatively small changeset, to address small nagging problems.
> Andrew pointed me at the double registration specifically, so I had to do
> something about it. At least now Fabio's box won't collapse if he configures
> UB by mistake. Also, a few people complained that the help text was
> misleading.
Applied, thanks.
greg k-h
Alle 09:08, gioved? 04 novembre 2004, Pete Zaitcev ha scritto:
> This is a relatively small changeset, to address small nagging problems.
> Andrew pointed me at the double registration specifically, so I had to do
> something about it. At least now Fabio's box won't collapse if he
> configures UB by mistake. Also, a few people complained that the help text
> was misleading.
>
> I have not done anything about the oops on disconnect which happens to
> Martin Schlemmer. It's next. After that I can get to Peter Jones' CD
> burning patch and doing resets.
If this can help, I've tried the same kernel (2.6.10-rc1-mm1) _without_
compiling ub module. (if this adds no new informations, please excuse time
and bandwith waste)
Plugging the flash key, I get some errors, like reported below, like this:
uhci_hcd 0000:00:1d.1: uhci_result_control: failed with status 440000
The logs reports several plugging/unplugging operation (I haven't cut
anything). Please note that under 2.6.8.1-12mdk (as shipped with mdk cooker)
the flash key works just fine, I can plug and remove it any number of times,
and it's seen as sda1.
Anyway, after several tries the key is found, but with a not-so-nice error :)
in kobject_register. As before, something seems to happen twice.
syslog here:
<device plugged>
Nov 4 23:10:34 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001803 POWER sig=j CSC CONNECT
Nov 4 23:10:34 kefk kernel: hub 5-0:1.0: port 3, status 0501, change 0001,
480 Mb/s
Nov 4 23:10:35 kefk kernel: hub 5-0:1.0: debounce: port 3: total 100ms stable
100ms status 0x501
Nov 4 23:10:35 kefk kernel: ehci_hcd 0000:00:1d.7: port 3 high speed
Nov 4 23:10:35 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001005 POWER sig=se0 PE CONNECT
Nov 4 23:10:35 kefk kernel: usb 5-3: new high speed USB device using ehci_hcd
and address 16
Nov 4 23:10:35 kefk kernel: ehci_hcd 0000:00:1d.7: devpath 3 ep0in 3strikes
Nov 4 23:10:35 kefk kernel: ehci_hcd 0000:00:1d.7: port 3 full speed -->
companion
Nov 4 23:10:35 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
003801 POWER OWNER sig=j CONNECT
Nov 4 23:10:35 kefk kernel: uhci_hcd 0000:00:1d.1: wakeup_hc
Nov 4 23:10:35 kefk kernel: uhci_hcd 0000:00:1d.1: port 1 portsc 0083,00
Nov 4 23:10:35 kefk kernel: hub 2-0:1.0: port 1, status 0101, change 0001, 12
Mb/s
Nov 4 23:10:35 kefk kernel: hub 2-0:1.0: debounce: port 1: total 100ms stable
100ms status 0x101
Nov 4 23:10:35 kefk kernel: usb 2-1: new full speed USB device using uhci_hcd
and address 24
Nov 4 23:10:35 kefk kernel: uhci_hcd 0000:00:1d.1: uhci_result_control:
failed with status 440000
Nov 4 23:10:35 kefk kernel: [f7a7d240] link (37a7d1b2) element (2baf5000)
Nov 4 23:10:35 kefk kernel: 0: [ebaf5000] link (2baf5040) e0 Stalled
CRC/Timeo Length=7 MaxLen=7 DT0 EndPt=0 Dev=0, PID=2d(SETUP) (buf=2b805480)
Nov 4 23:10:35 kefk kernel: 1: [ebaf5040] link (2baf5080) e3 SPD Active
Length=0 MaxLen=3f DT1 EndPt=0 Dev=0, PID=69(IN) (buf=314cae80)
Nov 4 23:10:35 kefk kernel: 2: [ebaf5080] link (00000001) e3 IOC Active
Length=0 MaxLen=7ff DT1 EndPt=0 Dev=0, PID=e1(OUT) (buf=00000000)
Nov 4 23:10:35 kefk kernel:
Nov 4 23:10:35 kefk kernel: usb 2-1: device descriptor read/64, error -71
Nov 4 23:10:35 kefk kernel: uhci_hcd 0000:00:1d.1: uhci_result_control:
failed with status 440000
Nov 4 23:10:35 kefk kernel: [f7a7d240] link (37a7d1b2) element (2baf5000)
Nov 4 23:10:35 kefk kernel: 0: [ebaf5000] link (2baf5040) e0 Stalled
CRC/Timeo Length=7 MaxLen=7 DT0 EndPt=0 Dev=0, PID=2d(SETUP) (buf=2b805900)
Nov 4 23:10:35 kefk kernel: 1: [ebaf5040] link (2baf5080) e3 SPD Active
Length=0 MaxLen=3f DT1 EndPt=0 Dev=0, PID=69(IN) (buf=314cae80)
Nov 4 23:10:35 kefk kernel: 2: [ebaf5080] link (00000001) e3 IOC Active
Length=0 MaxLen=7ff DT1 EndPt=0 Dev=0, PID=e1(OUT) (buf=00000000)
Nov 4 23:10:35 kefk kernel:
Nov 4 23:10:35 kefk kernel: usb 2-1: device descriptor read/64, error -71
<several tries>
Nov 4 23:10:36 kefk kernel: usb 2-1: new full speed USB device using uhci_hcd
and address 25
Nov 4 23:10:36 kefk kernel: uhci_hcd 0000:00:1d.1: uhci_result_control:
failed with status 440000
Nov 4 23:10:36 kefk kernel: [f7a7d240] link (37a7d1b2) element (2baf5000)
Nov 4 23:10:36 kefk kernel: 0: [ebaf5000] link (2baf5040) e0 Stalled
CRC/Timeo Length=7 MaxLen=7 DT0 EndPt=0 Dev=0, PID=2d(SETUP) (buf=2b805900)
Nov 4 23:10:36 kefk kernel: 1: [ebaf5040] link (2baf5080) e3 SPD Active
Length=0 MaxLen=3f DT1 EndPt=0 Dev=0, PID=69(IN) (buf=314cae80)
Nov 4 23:10:36 kefk kernel: 2: [ebaf5080] link (00000001) e3 IOC Active
Length=0 MaxLen=7ff DT1 EndPt=0 Dev=0, PID=e1(OUT) (buf=00000000)
Nov 4 23:10:36 kefk kernel:
Nov 4 23:10:36 kefk kernel: usb 2-1: device descriptor read/64, error -71
Nov 4 23:10:36 kefk kernel: uhci_hcd 0000:00:1d.1: uhci_result_control:
failed with status 440000
Nov 4 23:10:36 kefk kernel: [f7a7d240] link (37a7d1b2) element (2baf5000)
Nov 4 23:10:36 kefk kernel: 0: [ebaf5000] link (2baf5040) e0 Stalled
CRC/Timeo Length=7 MaxLen=7 DT0 EndPt=0 Dev=0, PID=2d(SETUP) (buf=2b805900)
Nov 4 23:10:36 kefk kernel: 1: [ebaf5040] link (2baf5080) e3 SPD Active
Length=0 MaxLen=3f DT1 EndPt=0 Dev=0, PID=69(IN) (buf=314cae80)
Nov 4 23:10:36 kefk kernel: 2: [ebaf5080] link (00000001) e3 IOC Active
Length=0 MaxLen=7ff DT1 EndPt=0 Dev=0, PID=e1(OUT) (buf=00000000)
Nov 4 23:10:36 kefk kernel:
Nov 4 23:10:36 kefk kernel: usb 2-1: device descriptor read/64, error -71
Nov 4 23:10:44 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001002 POWER sig=se0 CSC
Nov 4 23:10:44 kefk kernel: hub 5-0:1.0: port 3, status 0100, change 0001, 12
Mb/s
Nov 4 23:10:44 kefk kernel: hub 5-0:1.0: debounce: port 3: total 100ms stable
100ms status 0x100
Nov 4 23:10:44 kefk kernel: uhci_hcd 0000:00:1d.1: port 1 portsc 0082,00
Nov 4 23:10:44 kefk kernel: hub 2-0:1.0: port 1, status 0100, change 0001, 12
Mb/s
Nov 4 23:10:44 kefk kernel: hub 2-0:1.0: debounce: port 1: total 100ms stable
100ms status 0x100
Nov 4 23:10:45 kefk kernel: uhci_hcd 0000:00:1d.1: suspend_hc
<uhu, now something different>
Nov 4 23:10:49 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001803 POWER sig=j CSC CONNECT
Nov 4 23:10:49 kefk kernel: hub 5-0:1.0: port 3, status 0501, change 0001,
480 Mb/s
Nov 4 23:10:50 kefk kernel: hub 5-0:1.0: debounce: port 3: total 100ms stable
100ms status 0x501
Nov 4 23:10:50 kefk kernel: ehci_hcd 0000:00:1d.7: port 3 high speed
Nov 4 23:10:50 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001005 POWER sig=se0 PE CONNECT
Nov 4 23:10:50 kefk kernel: usb 5-3: new high speed USB device using ehci_hcd
and address 17
Nov 4 23:10:50 kefk kernel: ehci_hcd 0000:00:1d.7: port 3 high speed
Nov 4 23:10:50 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001005 POWER sig=se0 PE CONNECT
Nov 4 23:10:50 kefk kernel: usb 5-3: ep0 maxpacket = 64
Nov 4 23:10:50 kefk kernel: usb 5-3: new device strings: Mfr=1, Product=2,
SerialNumber=3
Nov 4 23:10:50 kefk kernel: usb 5-3: default language 0x0409
Nov 4 23:10:50 kefk kernel: usb 5-3: Product: Mass storage
Nov 4 23:10:50 kefk kernel: usb 5-3: Manufacturer: USB
Nov 4 23:10:50 kefk kernel: usb 5-3: SerialNumber: 142E19413C2FCA34
Nov 4 23:10:50 kefk kernel: usb 5-3: hotplug
Nov 4 23:10:50 kefk kernel: usb 5-3: adding 5-3:1.0 (config #1, interface 0)
Nov 4 23:10:50 kefk kernel: usb 5-3:1.0: hotplug
Nov 4 23:10:50 kefk kernel: Initializing USB Mass Storage driver...
Nov 4 23:10:50 kefk kernel: usb-storage 5-3:1.0: usb_probe_interface
Nov 4 23:10:50 kefk kernel: usb-storage 5-3:1.0: usb_probe_interface - got id
Nov 4 23:10:50 kefk kernel: scsi3 : SCSI emulation for USB Mass Storage
devices
Nov 4 23:10:50 kefk kernel: usbcore: registered new driver usb-storage
Nov 4 23:10:50 kefk kernel: USB Mass Storage support registered.
Nov 4 23:10:50 kefk kernel: usb-storage: device found at 17
Nov 4 23:10:50 kefk kernel: usb-storage: waiting for device to settle before
scanning
Nov 4 23:10:55 kefk kernel: Vendor: 512MB Model: USB2.0FlashDrive Rev:
2.00
Nov 4 23:10:55 kefk kernel: Type: Direct-Access ANSI
SCSI revision: 02
Nov 4 23:10:55 kefk kernel: sdb: Unit Not Ready, sense:
Nov 4 23:10:55 kefk kernel: Current : sense = 70 6
Nov 4 23:10:55 kefk kernel: ASC=28 ASCQ= 0
Nov 4 23:10:55 kefk kernel: Raw sense data:0x70 0x00 0x06 0x00 0x00 0x00 0x00
0x0a 0x00 0x00 0x00 0x00 0x28 0x00 0x00 0x00 0x00 0x00
Nov 4 23:10:55 kefk kernel: sdb : READ CAPACITY failed.
Nov 4 23:10:55 kefk kernel: sdb : status=1, message=00, host=0, driver=08
Nov 4 23:10:55 kefk kernel: Current sd: sense = 70 6
Nov 4 23:10:55 kefk kernel: ASC=28 ASCQ= 0
Nov 4 23:10:55 kefk kernel: Raw sense data:0x70 0x00 0x06 0x00 0x00 0x00 0x00
0x0a 0x00 0x00 0x00 0x00 0x28 0x00 0x00 0x00 0x00 0x00
Nov 4 23:10:55 kefk kernel: sdb: test WP failed, assume Write Enabled
Nov 4 23:10:55 kefk kernel: sdb: assuming drive cache: write through
Nov 4 23:10:55 kefk kernel: sdb: Unit Not Ready, sense:
Nov 4 23:10:55 kefk kernel: Current : sense = 70 6
Nov 4 23:10:55 kefk kernel: ASC=28 ASCQ= 0
Nov 4 23:10:55 kefk kernel: Raw sense data:0x70 0x00 0x06 0x00 0x00 0x00 0x00
0x0a 0x00 0x00 0x00 0x00 0x28 0x00 0x00 0x00 0x00 0x00
Nov 4 23:10:55 kefk kernel: SCSI device sdb: 1024000 512-byte hdwr sectors
(524 MB)
Nov 4 23:10:55 kefk kernel: sdb: Write Protect is off
Nov 4 23:10:55 kefk kernel: sdb: Mode Sense: 03 00 00 00
Nov 4 23:10:55 kefk kernel: sdb: assuming drive cache: write through
Nov 4 23:10:55 kefk kernel: SCSI device sdb: 1024000 512-byte hdwr sectors
(524 MB)
Nov 4 23:10:55 kefk kernel: sdb: Write Protect is off
Nov 4 23:10:55 kefk kernel: sdb: Mode Sense: 03 00 00 00
Nov 4 23:10:55 kefk kernel: sdb: assuming drive cache: write through
Nov 4 23:10:55 kefk kernel: sdb: sdb1
Nov 4 23:10:55 kefk kernel: sdb: sdb1
Nov 4 23:10:55 kefk kernel: kobject_register failed for sdb1 (-17)
Nov 4 23:10:55 kefk kernel: [<c01f1fd7>] kobject_register+0x51/0x5f
Nov 4 23:10:55 kefk kernel: [<c0184720>] add_partition+0xbb/0xf0
Nov 4 23:10:55 kefk kernel: [<c0184898>] register_disk+0xee/0x11d
Nov 4 23:10:55 kefk kernel: [<c024ba2e>] add_disk+0x36/0x41
Nov 4 23:10:55 kefk kernel: [<c024b9e4>] exact_match+0x0/0x7
Nov 4 23:10:55 kefk kernel: [<c024b9eb>] exact_lock+0x0/0xd
Nov 4 23:10:55 kefk kernel: [<c028c382>] sd_probe+0x224/0x32f
Nov 4 23:10:55 kefk kernel: [<c0185e31>] sysfs_make_dirent+0x1c/0x89
Nov 4 23:10:55 kefk kernel: [<c02435a8>] bus_match+0x32/0x6a
Nov 4 23:10:55 kefk kernel: [<c0243626>] device_attach+0x46/0xaa
Nov 4 23:10:55 kefk kernel: [<c0168b96>] dput+0x76/0x209
Nov 4 23:10:55 kefk kernel: [<c02438d6>] bus_add_device+0x55/0x97
Nov 4 23:10:55 kefk kernel: [<c0242975>] device_add+0x9c/0x128
Nov 4 23:10:55 kefk kernel: [<c026a6c2>] scsi_sysfs_add_sdev+0xa0/0x309
Nov 4 23:10:55 kefk kernel: [<c02692c2>] scsi_add_lun+0x2d9/0x32f
Nov 4 23:10:55 kefk kernel: [<c02693d5>] scsi_probe_and_add_lun+0xbd/0x1a9
Nov 4 23:10:55 kefk kernel: [<c0269b30>] scsi_scan_target+0x9a/0x106
Nov 4 23:10:55 kefk kernel: [<c0269c18>] scsi_scan_channel+0x7c/0x9a
Nov 4 23:10:55 kefk kernel: [<c0269caf>] scsi_scan_host_selected+0x79/0xd8
Nov 4 23:10:55 kefk kernel: [<c0269d2f>] scsi_scan_host+0x21/0x25
Nov 4 23:10:55 kefk kernel: [<f8b4686e>] usb_stor_scan_thread+0x134/0x145
[usb_storage]
Nov 4 23:10:55 kefk kernel: [<c012d9c1>] autoremove_wake_function+0x0/0x43
Nov 4 23:10:55 kefk kernel: [<c0103c9a>] ret_from_fork+0x6/0x14
Nov 4 23:10:55 kefk kernel: [<c012d9c1>] autoremove_wake_function+0x0/0x43
Nov 4 23:10:55 kefk kernel: [<f8b4673a>] usb_stor_scan_thread+0x0/0x145
[usb_storage]
Nov 4 23:10:55 kefk kernel: [<c0102025>] kernel_thread_helper+0x5/0xb
Nov 4 23:10:55 kefk kernel: Attached scsi removable disk sdb at scsi3,
channel 0, id 0, lun 0
Nov 4 23:10:55 kefk kernel: Attached scsi generic sg4 at scsi3, channel 0, id
0, lun 0, type 0
Nov 4 23:10:55 kefk kernel: usb-storage: device scan complete
Nov 4 23:10:55 kefk scsi.agent[17606]: disk
at /devices/pci0000:00/0000:00:1d.7/usb5/5-3/5-3:1.0/host3/target3:0:0/3:0:0:0
<removal, of course it oopses>
Nov 4 23:29:37 kefk kernel: ehci_hcd 0000:00:1d.7: GetStatus port 3 status
001002 POWER sig=se0 CSC
Nov 4 23:29:37 kefk kernel: hub 5-0:1.0: port 3, status 0100, change 0001, 12
Mb/s
Nov 4 23:29:37 kefk kernel: usb 5-3: USB disconnect, address 17
Nov 4 23:29:37 kefk kernel: usb 5-3: usb_disable_device nuking all URBs
Nov 4 23:29:37 kefk kernel: usb 5-3: unregistering interface 5-3:1.0
Nov 4 23:29:37 kefk kernel: Unable to handle kernel NULL pointer dereference
at virtual address 00000050
Nov 4 23:29:37 kefk kernel: printing eip:
Nov 4 23:29:37 kefk kernel: c0186373
Nov 4 23:29:37 kefk kernel: *pde = 00000000
Nov 4 23:29:37 kefk kernel: Oops: 0000 [#1]
Nov 4 23:29:37 kefk kernel: PREEMPT SMP
Nov 4 23:29:37 kefk kernel: Modules linked in: usb_storage hidp hci_usb tun
md5 ipv6 rfcomm l2cap bluetooth snd_seq_oss snd_seq_midi_event snd_seq
snd_pcm_oss snd_mixer_oss snd_emu10k1 snd_rawmidi snd_seq_device
snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd
soundcore lp ipt_REJECTiptable_filter ip_tables loop nls_utf8 ide_cd i2c_dev
w83781d i2c_sensor i2c_isa i2c_i801 isofs zlib_inflate e1000 parport_pc ppa
parport usblp ehci_hcd uhci_hcd genrtc
Nov 4 23:29:37 kefk kernel: CPU: 0
Nov 4 23:29:37 kefk kernel: EIP: 0060:[<c0186373>] Not tainted VLI
Nov 4 23:29:37 kefk kernel: EFLAGS: 00010246 (2.6.10-rc1-mm1pnoub)
Nov 4 23:29:37 kefk kernel: EIP is at sysfs_remove_dir+0x1d/0xef
Nov 4 23:29:37 kefk kernel: eax: d925cf08 ebx: d925cf08 ecx: c18ff480
edx: c1000000
Nov 4 23:29:37 kefk kernel: esi: eb805b20 edi: 00000000 ebp: f7a9fd94
esp: c198dde4
Nov 4 23:29:37 kefk kernel: ds: 007b es: 007b ss: 0068
Nov 4 23:29:37 kefk kernel: Process khubd (pid: 125, threadinfo=c198d000
task=c198a530)
Nov 4 23:29:37 kefk kernel: Stack: 00000000 d925cf08 eb805b20 00000001
f7a9fd94 c01f20e7 d925cf08 c01f20f7
Nov 4 23:29:37 kefk kernel: e072a880 c0184aa0 f7a9fd94 eb805b20
f4d06c00 f7a9fd94 c028c4a4 f7a9fd94
Nov 4 23:29:37 kefk kernel: c03afa04 c0243765 f7a9fd94 f79d8e04
c024396b f7a9fd94 f79d8e04 c0242a86
Nov 4 23:29:37 kefk kernel: Call Trace:
Nov 4 23:29:37 kefk kernel: [<c01f20e7>] kobject_del+0x14/0x1c
Nov 4 23:29:37 kefk kernel: [<c01f20f7>] kobject_unregister+0x8/0x10
Nov 4 23:29:37 kefk kernel: [<c0184aa0>] del_gendisk+0x1d/0xd5
Nov 4 23:29:37 kefk kernel: [<c028c4a4>] sd_remove+0x17/0x5b
Nov 4 23:29:37 kefk kernel: [<c0243765>] device_release_driver+0x56/0x58
Nov 4 23:29:37 kefk kernel: [<c024396b>] bus_remove_device+0x53/0x90
Nov 4 23:29:37 kefk kernel: [<c0242a86>] device_del+0x54/0x91
Nov 4 23:29:37 kefk kernel: [<c026a980>] scsi_remove_device+0x55/0xa6
Nov 4 23:29:37 kefk kernel: [<c0269d60>] scsi_forget_host+0x2d/0x4f
Nov 4 23:29:37 kefk kernel: [<c026403b>] scsi_remove_host+0x8/0x59
Nov 4 23:29:37 kefk kernel: [<f8b46b19>] storage_disconnect+0x7d/0x8f
[usb_storage]
Nov 4 23:29:37 kefk kernel: [<c029826d>] usb_unbind_interface+0x5e/0x60
Nov 4 23:29:37 kefk kernel: [<c0243765>] device_release_driver+0x56/0x58
Nov 4 23:29:37 kefk kernel: [<c024396b>] bus_remove_device+0x53/0x90
Nov 4 23:29:37 kefk kernel: [<c0242a86>] device_del+0x54/0x91
Nov 4 23:29:37 kefk kernel: [<c02a0007>] usb_disable_device+0xda/0x147
Nov 4 23:29:37 kefk kernel: [<c029aa8a>] usb_disconnect+0xab/0x198
Nov 4 23:29:37 kefk kernel: [<c029bfec>] hub_port_connect_change+0x371/0x4a4
Nov 4 23:29:37 kefk kernel: [<c029c3f3>] hub_events+0x2d4/0x4ac
Nov 4 23:29:37 kefk kernel: [<c029c600>] hub_thread+0x35/0x10e
Nov 4 23:29:37 kefk kernel: [<c0115111>] finish_task_switch+0x3b/0x87
Nov 4 23:29:37 kefk kernel: [<c012d9c1>] autoremove_wake_function+0x0/0x43
Nov 4 23:29:37 kefk kernel: [<c0103c9a>] ret_from_fork+0x6/0x14
Nov 4 23:29:37 kefk kernel: [<c012d9c1>] autoremove_wake_function+0x0/0x43
Nov 4 23:29:37 kefk kernel: [<c029c5cb>] hub_thread+0x0/0x10e
Nov 4 23:29:37 kefk kernel: [<c0102025>] kernel_thread_helper+0x5/0xb
Nov 4 23:29:37 kefk kernel: Code: ce 3e 32 c0 e9 4d ff ff ff e9 23 ff ff ff
55 57 56 53 83 ec 04 8b 78 30 85 ff 74 0d 8b 07 85 c0 0f 84 ca 00 00 00 f0 ff
07 85 ff <8b> 57 50 0f 84 b4 00 00 00 8b 47 10 8d 48 78 f0 ff 48 78 0f 88
--
Fabio Coatti http://members.ferrara.linux.it/cova
Ferrara Linux Users Group http://ferrara.linux.it
GnuPG fp:9765 A5B6 6843 17BC A646 BE8C FA56 373A 5374 C703
Old SysOps never die... they simply forget their password.