On Sun, Sep 18, 2011 at 12:58:49PM -0400, Alan Stern wrote: > On Sun, 18 Sep 2011, Greg KH wrote: > > If you don't want a novell.com bugzilla id (which I understand if you > > don't), I'll dig the data out of the bug and post it here, as it looks > > to affect the 2.6.32 kernel, which wasn't all that old. > > It's been a long time since I used Novell's bugzilla. My computer > remembers the ID "stern58". Still, it might be a good idea to post > the relevant data publically, if the other people involved don't mind. The bug seems to be "closed" as it's dealing with a customer's system and they don't like public bugs for their hardware for various reasons. But here's the oops report from the bug, pasted from it: --- begin quote --- After I do a # rmmod uhci_hcd I get the following: sles11sp1:/tmp/intel/crash-vnc # tail -f /var/log/messages Sep 5 15:26:54 sles11sp1 kernel: [ 4647.721936] uhci_hcd 0000:00:1d.2: remove, state 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.721945] usb usb8: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.721947] usb 8-1: USB disconnect, address 2 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769335] uhci_hcd 0000:00:1d.2: dma_pool_destroy uhci_qh, ffff880037849000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769338] uhci_hcd 0000:00:1d.2: dma_pool_destroy uhci_td, ffff880037833000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769344] uhci_hcd 0000:00:1d.2: USB bus 8 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769348] uhci_hcd 0000:00:1d.2: dma_pool_destroy buffer-128, ffff880037822000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769364] uhci_hcd 0000:00:1d.2: PCI INT C disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769374] uhci_hcd 0000:00:1d.1: remove, state 4 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769381] usb usb7: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769554] uhci_hcd 0000:00:1d.1: USB bus 7 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769568] uhci_hcd 0000:00:1d.1: PCI INT B disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769576] uhci_hcd 0000:00:1d.0: remove, state 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769582] usb usb6: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.769583] usb 6-1: USB disconnect, address 2 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825430] uhci_hcd 0000:00:1d.0: dma_pool_destroy uhci_qh, ffff880037864000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825434] uhci_hcd 0000:00:1d.0: dma_pool_destroy uhci_td, ffff880037863000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825440] uhci_hcd 0000:00:1d.0: USB bus 6 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825446] uhci_hcd 0000:00:1d.0: dma_pool_destroy buffer-128, ffff880037821000 busy Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825461] uhci_hcd 0000:00:1d.0: PCI INT A disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825473] uhci_hcd 0000:00:1a.2: remove, state 4 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825480] usb usb5: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825684] uhci_hcd 0000:00:1a.2: USB bus 5 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825695] uhci_hcd 0000:00:1a.2: PCI INT D disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825704] uhci_hcd 0000:00:1a.1: remove, state 4 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825711] usb usb4: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825911] uhci_hcd 0000:00:1a.1: USB bus 4 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825922] uhci_hcd 0000:00:1a.1: PCI INT B disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825931] uhci_hcd 0000:00:1a.0: remove, state 4 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.825938] usb usb2: USB disconnect, address 1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826137] uhci_hcd 0000:00:1a.0: USB bus 2 deregistered Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826149] uhci_hcd 0000:00:1a.0: PCI INT A disabled Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826173] slab error in kmem_cache_destroy(): cache `uhci_urb_priv': Can't free all objects Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826177] Pid: 9188, comm: rmmod Not tainted 2.6.32.45-0.3.2.3461.0.TEST-default #1 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826180] Call Trace: Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826193] [<ffffffff810061dc>] dump_trace+0x6c/0x2d0 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826201] [<ffffffff813988c6>] dump_stack+0x69/0x73 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826208] [<ffffffff810f19f8>] kmem_cache_destroy+0xd8/0x120 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826216] [<ffffffffa0285f5c>] uhci_hcd_cleanup+0x1c/0x41 [uhci_hcd] Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826228] [<ffffffff8107b907>] sys_delete_module+0x1b7/0x270 Sep 5 15:26:54 sles11sp1 kernel: [ 4647.826236] [<ffffffff81002f7b>] system_call_fastpath+0x16/0x1b Sep 5 15:26:54 sles11sp1 kernel: [ 4647.827200] DWARF2 unwinder stuck at system_call_fastpath+0x16/0x1b Sep 5 15:26:54 sles11sp1 kernel: [ 4647.827202] Sep 5 15:26:54 sles11sp1 kernel: [ 4647.827203] Leftover inexact backtrace: Sep 5 15:26:54 sles11sp1 kernel: [ 4647.827204] and here it stops with unresponsive keyboard and mouse but no crash. --- end quote --- Does that sound like anything that has been fixed in the past few years that you can recall? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
