* [2.5.69/i386] rmmod ohci_hcd - deadlock
@ 2003-05-27 13:04 Florian Lohoff
2003-05-29 6:47 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Florian Lohoff @ 2003-05-27 13:04 UTC (permalink / raw)
To: linux-kernel
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Hi,
i am seeing a deadlock on removal of the ohci_hcd module. You get to see
some usb disconnect messages after which the machine is dead and needs
to be powercycled. This is a Sony Vaio C1MHP. I am unable to test 2.5.70
because it hangs on boot with unhandled IRQs.
This also happens when unloading the usb-storage module beforehand.
00:14.0 USB Controller: Acer Laboratories Inc. [ALi] M5237 USB (rev 03) (prog-if 10 [OHCI])
Subsystem: Sony Corporation: Unknown device 80ec
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (20000ns max), cache line size 08
Interrupt: pin A routed to IRQ 9
Region 0: Memory at 000e0000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
lsusb:
Module Size Used by
8139too 14336 1
mii 2528 1 8139too
crc32 2944 1 8139too
snd_ali5451 12004 0
snd_ac97_codec 32900 1 snd_ali5451
snd_pcm 53568 1 snd_ali5451
snd_page_alloc 3876 1 snd_pcm
snd_timer 13152 1 snd_pcm
snd 27904 4 snd_ali5451,snd_ac97_codec,snd_pcm,snd_timer
soundcore 3680 1 snd
usb_storage 19232 0
scsi_mod 73132 1 usb_storage
ohci_hcd 11680 0
usbcore 65332 4 usb_storage,ohci_hcd
ohci1394 22720 0
ieee1394 42376 1 ohci1394
lsusb:
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 002: ID 054c:0069 Sony Corp. Memorystick MSC-U03 Reader
Bus 001 Device 001: ID 0000:0000
Flo
--
Florian Lohoff flo@rfc822.org +49-5201-669912
Heisenberg may have been here.
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [2.5.69/i386] rmmod ohci_hcd - deadlock
2003-05-27 13:04 [2.5.69/i386] rmmod ohci_hcd - deadlock Florian Lohoff
@ 2003-05-29 6:47 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2003-05-29 6:47 UTC (permalink / raw)
To: Florian Lohoff; +Cc: linux-kernel
On Tue, May 27, 2003 at 03:04:21PM +0200, Florian Lohoff wrote:
>
> Hi,
> i am seeing a deadlock on removal of the ohci_hcd module. You get to see
> some usb disconnect messages after which the machine is dead and needs
> to be powercycled. This is a Sony Vaio C1MHP. I am unable to test 2.5.70
> because it hangs on boot with unhandled IRQs.
This should be fixed in 2.5.70. If not, please let us know.
thanks,
greg k-h
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