Messages in this thread | | | Date | Fri, 16 Sep 2005 12:15:58 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [linux-usb-devel] Re: 2.6.14-rc1 load average calculation broken? |
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On Fri, 16 Sep 2005, Jan Dittmer wrote:
> > Can you post a stack dump for those two threads? Normally they are idle, > > in an interruptible wait, so they shouldn't be in D state. Since they > > are, maybe there's some sort of error recovery attempt going on. Like > > hald doing its periodic checking of hotpluggable storage devices while > > your monitor is off. > > They don't appear in lsusb or /proc/scsi/scsi anymore, so I don't know what > you mean. > > [4327082.342000] usb-storage D 000F4261 0 3308 1 4671 > 2487 (L-TLB) > [4327082.342000] ded95f0c c9185a70 c04ae888 000f4261 00000010 ded94000 > 00000000 cd393840 > [4327082.342000] 000f4261 dfabcb98 dfabca70 ce5b2300 000f4261 ded94000 > 09c67100 00000000 > [4327082.342000] c0410b24 00000286 c0410b2c dfabca70 c03adb5d 00000001 > dfabca70 c011a2f0 > [4327082.342000] Call Trace: > [4327082.342000] [<c03adb5d>] __down+0xdd/0x140 > [4327082.342000] [<c011a2f0>] default_wake_function+0x0/0x20 > [4327082.342000] [<c03ac35f>] __down_failed+0x7/0xc > [4327082.342000] [<c02c5050>] scsi_host_dev_release+0x0/0x90 > [4327082.342000] [<c0134dd4>] .text.lock.kthread+0xb/0x27 > [4327082.342000] [<c02c5087>] scsi_host_dev_release+0x37/0x90 > [4327082.342000] [<c020a4be>] kobject_cleanup+0x4e/0xa0 > [4327082.342000] [<c020a510>] kobject_release+0x0/0x10 > [4327082.342000] [<c020af3f>] kref_put+0x2f/0x80 > [4327082.342000] [<c020a53e>] kobject_put+0x1e/0x30 > [4327082.342000] [<c020a510>] kobject_release+0x0/0x10 > [4327082.342000] [<e0869288>] usb_stor_control_thread+0x68/0x240 [usb_storage] > [4327082.342000] [<c010322e>] ret_from_fork+0x6/0x14 > [4327082.342000] [<e0869220>] usb_stor_control_thread+0x0/0x240 [usb_storage] > [4327082.342000] [<e0869220>] usb_stor_control_thread+0x0/0x240 [usb_storage] > [4327082.342000] [<c01013ad>] kernel_thread_helper+0x5/0x18
I recognize the problem. This experimental patch should fix it:
http://marc.theaimsgroup.com/?l=linux-scsi&m=112681273931290&w=2
Alan Stern
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