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    SubjectRe: [linux-usb-devel] [usb-storage] schedule_timeout: wrong timeout value c1a95554
    Date
    On Thursday, 9 August 2007 16:43, Alan Stern wrote:
    > On Thu, 9 Aug 2007, Mariusz Kozlowski wrote:
    >
    > > Hello,
    > >
    > > Happens every time I reattach usb pen drive.
    > >
    > > usb 1-2: new high speed USB device using ehci_hcd and address 10
    > > usb 1-2: configuration #1 chosen from 1 choice
    > > scsi6 : SCSI emulation for USB Mass Storage devices
    > > usb 1-2: new device found, idVendor=13fe, idProduct=1a00
    > > usb 1-2: new device strings: Mfr=1, Product=2, SerialNumber=0
    > > usb 1-2: Product: GEIL USB DISK
    > > usb 1-2: Manufacturer:
    > > usb-storage: device found at 10
    > > usb-storage: waiting for device to settle before scanning
    > > schedule_timeout: wrong timeout value c1a95554
    > > [<c010456a>] show_trace_log_lvl+0x1a/0x30
    > > [<c010508d>] show_trace+0x12/0x14
    > > [<c01051e0>] dump_stack+0x15/0x17
    > > [<c04174d1>] schedule_timeout+0x8c/0xa2
    > > [<c032aeec>] usb_stor_scan_thread+0x100/0x160
    > > [<c0127f2e>] kthread+0x36/0x58
    > > [<c0104233>] kernel_thread_helper+0x7/0x14
    > > =======================
    > > scsi 6:0:0:0: Direct-Access GEIL USB DISK >2.0 PQ: 0 ANSI: 0 CCS
    > > sd 6:0:0:0: [sda] 1007616 512-byte hardware sectors (516 MB)
    > > sd 6:0:0:0: [sda] Write Protect is off
    > > sd 6:0:0:0: [sda] Mode Sense: 23 00 00 00
    > > sd 6:0:0:0: [sda] Assuming drive cache: write through
    > > sd 6:0:0:0: [sda] 1007616 512-byte hardware sectors (516 MB)
    > > sd 6:0:0:0: [sda] Write Protect is off
    > > sd 6:0:0:0: [sda] Mode Sense: 23 00 00 00
    > > sd 6:0:0:0: [sda] Assuming drive cache: write through
    > > sda: sda1
    > > sd 6:0:0:0: [sda] Attached SCSI removable disk
    > > sd 6:0:0:0: Attached scsi generic sg0 type 0
    > > usb-storage: device scan complete
    >
    > This is a known problem. See
    >
    > http://marc.info/?l=linux-kernel&m=118641424414399&w=2
    >
    > Rafael, has this been fixed yet?

    No, I wasn't aware of it.

    I think that something like the appended patch is necessary.

    Mariusz, please see if that helps.

    Greetings,
    Rafael


    ---
    include/linux/freezer.h | 18 +++++++++---------
    1 file changed, 9 insertions(+), 9 deletions(-)

    Index: linux-2.6.23-rc2/include/linux/freezer.h
    ===================================================================
    --- linux-2.6.23-rc2.orig/include/linux/freezer.h
    +++ linux-2.6.23-rc2/include/linux/freezer.h
    @@ -134,28 +134,28 @@ static inline void set_freezable(void)

    #define wait_event_freezable(wq, condition) \
    ({ \
    - int __ret; \
    + int __retval; \
    do { \
    - __ret = wait_event_interruptible(wq, \
    + __retval = wait_event_interruptible(wq, \
    (condition) || freezing(current)); \
    - if (__ret && !freezing(current)) \
    + if (__retval && !freezing(current)) \
    break; \
    else if (!(condition)) \
    - __ret = -ERESTARTSYS; \
    + __retval = -ERESTARTSYS; \
    } while (try_to_freeze()); \
    - __ret; \
    + __retval; \
    })


    #define wait_event_freezable_timeout(wq, condition, timeout) \
    ({ \
    - long __ret = timeout; \
    + long __retval = timeout; \
    do { \
    - __ret = wait_event_interruptible_timeout(wq, \
    + __retval = wait_event_interruptible_timeout(wq, \
    (condition) || freezing(current), \
    - __ret); \
    + __retval); \
    } while (try_to_freeze()); \
    - __ret; \
    + __retval; \
    })
    #else /* !CONFIG_PM_SLEEP */
    static inline int frozen(struct task_struct *p) { return 0; }
    -
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