Messages in this thread | | | Date | Thu, 7 Aug 2003 00:31:39 +0200 (MEST) | From | Daniel Blueman <> | Subject | [2.6.0-test2-bk5] OHCI USB printing causing system lockup... |
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When printing a test page on an Epson C62 through an unpowered USB 1.1 hub, the printer printed part of the page, then stopped.
The 'error -110' messages were being sent to the syslogs, and after pulling the connector to the USB hub, the system locked up.
Details below:
--- [printer connected via hub]
Aug 6 23:10:28 stratum kernel: hub 2-2:0: new USB device on port 4, assigned address 31 Aug 6 23:10:28 stratum kernel: drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 31 if 0 alt 0 proto 2 vid 0x04B8 pid 0x0005
-- [printing stopped]
Aug 6 23:15:36 stratum kernel: drivers/usb/class/usblp.c: usblp0: error -110 reading printer status Aug 6 23:15:36 stratum last message repeated 146 times
--- [pulled USB hub connection, ie disconnect 3 devices + hub]
Aug 6 23:15:36 stratum kernel: usb 2-2: USB disconnect, address 25 Aug 6 23:15:36 stratum kernel: usb 2-2.1: USB disconnect, address 26 Aug 6 23:15:36 stratum kernel: drivers/usb/class/usblp.c: usblp0: error -110 reading printer status Aug 6 23:15:36 stratum kernel: drivers/usb/class/usblp.c: usblp0: error -110 reading printer status Aug 6 23:15:36 stratum kernel: usb 2-2.2: USB disconnect, address 27 Aug 6 23:15:36 stratum kernel: drivers/usb/class/usblp.c: usblp0: error -110 reading printer status Aug 6 23:15:36 stratum kernel: usb 2-2.3: USB disconnect, address 28 Aug 6 23:15:36 stratum kernel: usb 2-2.4: USB disconnect, address 31 Aug 6 23:15:36 stratum kernel: ohci-hcd 0000:00:02.3: ed deee1340 (#0) state 2(has tds) Aug 6 23:15:36 stratum kernel: drivers/usb/class/usblp.c: usblp0: error -108 reading printer status Aug 6 23:15:36 stratum kernel: usb 2-2.5: USB disconnect, address 29 Aug 6 23:15:39 stratum kernel: drivers/usb/class/usblp.c: usblp0: removed Aug 6 23:15:39 stratum kernel: Unable to handle kernel paging request at virtual address df2670e4 Aug 6 23:15:39 stratum kernel: printing eip: Aug 6 23:15:39 stratum kernel: c02b6a6a Aug 6 23:15:39 stratum kernel: *pde = 0007b067 Aug 6 23:15:39 stratum kernel: *pte = 1f267000 Aug 6 23:15:39 stratum kernel: Oops: 0000 [#1] Aug 6 23:15:39 stratum kernel: CPU: 0 Aug 6 23:15:39 stratum kernel: EIP: 0060:[<c02b6a6a>] Not tainted Aug 6 23:15:39 stratum kernel: EFLAGS: 00010282 Aug 6 23:15:39 stratum kernel: EIP is at usb_buffer_free+0xd/0x46
-- Daniel J Blueman
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