Hi,
> - The SLAB related usb-storage crash on disconnect is still there:
I'm facing the same problem with -rt21. Kernel config, lspci -vvx
and dmesg output can be downloaded from:
http://www.tglx.de/private/tb10alj/rt21/
Unplugging the USB device causes:
slab error in kmem_cache_destroy(): cache `scsi_cmd_cache': Can't free all objects
[<c0161576>] kmem_cache_destroy+0xe9/0x11c (8)
[<c037eac7>] scsi_destroy_command_freelist+0x4b/0x79 (24)
[<c037fa47>] scsi_host_dev_release+0x46/0x8c (24)
[<c031559c>] device_release+0x1c/0x51 (16)
[<c02814b7>] kobject_cleanup+0x98/0x9a (16)
[<c02814b9>] kobject_release+0x0/0xa (12)
[<c03cf161>] usb_stor_control_thread+0x0/0x1a8 (8)
[<c0281e91>] kref_put+0x3d/0x80 (4)
[<c02814e1>] kobject_put+0x1e/0x22 (24)
[<c02814b9>] kobject_release+0x0/0xa (8)
[<c03cf2f5>] usb_stor_control_thread+0x194/0x1a8 (4)
[<c04a1091>] schedule+0x47/0x134 (36)
[<c011cfeb>] complete+0x4c/0x75 (4)
[<c0134bfd>] kthread+0xb1/0xb7 (36)
[<c0134b4c>] kthread+0x0/0xb7 (32)
[<c01013ed>] kernel_thread_helper+0x5/0xb (16)
After reconnecting:
kmem_cache_create: duplicate cache scsi_cmd_cache
[<c016112d>] kmem_cache_create+0x638/0x6ae (8)
[<c01398f1>] _spin_lock_init+0x2f/0x33 (52)
[<c037e9fd>] scsi_setup_command_freelist+0x8d/0x10c (24)
[<c013965a>] __init_MUTEX+0x20/0x28 (40)
[<c037fcc0>] scsi_host_alloc+0x233/0x360 (16)
[<c03cfa82>] storage_probe+0x36/0x221 (52)
[<c03b0bf0>] usb_probe_interface+0x7d/0xa8 (52)
[<c0317251>] driver_probe_device+0x69/0xd0 (24)
[<c03172b8>] __device_attach+0x0/0x5 (28)
[<c0316921>] bus_for_each_drv+0x65/0x7b (8)
[<c0317327>] device_attach+0x6a/0x6e (48)
[<c03172b8>] __device_attach+0x0/0x5 (16)
[<c0316a62>] bus_add_device+0x51/0xcc (12)
[<c03159bb>] device_add+0x122/0x198 (32)
[<c03b903f>] usb_set_configuration+0x2c3/0x430 (36)
[<c03b3585>] usb_new_device+0xe4/0x19d (80)
[<c03b46e2>] hub_port_connect_change+0x214/0x3df (40)
[<c03b000a>] cdrom_get_last_written+0xca/0x136 (28)
[<c03b4b72>] hub_events+0x2c5/0x427 (40)
[<c03b4ceb>] hub_thread+0x17/0xea (52)
[<c01350c1>] autoremove_wake_function+0x0/0x57 (12)
[<c01350c1>] autoremove_wake_function+0x0/0x57 (32)
[<c04a11dc>] preempt_schedule+0x5e/0x84 (20)
[<c03b4cd4>] hub_thread+0x0/0xea (16)
[<c0134bfd>] kthread+0xb1/0xb7 (4)
[<c0134b4c>] kthread+0x0/0xb7 (32)
[<c01013ed>] kernel_thread_helper+0x5/0xb (16)
Cheers,
JAN
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