On Sun, 13 Jun 2010, thomas schorpp wrote: > Am 13.06.2010 15:57, schrieb Alan Stern: > > On Sun, 13 Jun 2010, thomas schorpp wrote: > > > >> ehci-hcd is broken and halts silently or disconnects after hours or a few days, with the wlan usb adapter > > > > How do you know the bug is in ehci-hcd and not in the hardware? > > All 3 usb devices and 2 different series VIA usb hosts and Hemsing's and many other broken i2c comms reporter's on linux-media are broken instead? It's certainly possible and has been known to happen. > Well, if we get that confirmed, I'll buy 2 of those with NEC chipset: > http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&item=190318779935 > > > > >> I was able to catch a dmesg err message like "ehci...force halt... handshake failed" once only. > > > > Can you please post the error message? > > Jun 3 08:38:29 tom3 kernel: [75071.004062] ehci_hcd 0000:00:0e.2: force halt; handhake cc9c0814 0000c000 00000000 -> -110 > Jun 3 08:45:13 tom3 kernel: [75475.004061] ehci_hcd 0000:00:0e.2: force halt; handhake cc9c0814 0000c000 00000000 -> -110 > Previous debian testing version of Linux tom3 2.6.32-5-686 #1 SMP Tue Jun 1 04:59:47 UTC 2010 i686 GNU/Linux, > not yet reproduced with current version. You may need to copy the "broken periodic workaround" code from the PCI_VENDOR_ID_INTEL case in ehci_pci_setup(), drivers/usb/host/ehci-pci.c into the PCI_VENDOR_ID_VIA case. Alan Stern -- 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
