Date: Thu, 31 Mar 2005 16:21:42 -0500 From: Mike Tancsa <mike@sentex.net> To: hselasky@c2i.net, freebsd-usb@freebsd.org Subject: Re: panic: uhci_abort_xfer: not in process context (was Re: uplcom / ucom problems on RELENG_5) Message-ID: <6.2.1.2.0.20050331161947.047c6bf0@64.7.153.2> In-Reply-To: <200503311946.23151.hselasky@c2i.net> References: <6.2.1.2.0.20050329222822.04f7c500@64.7.153.2> <6.2.1.2.0.20050330145628.053abc68@64.7.153.2> <6.2.1.2.0.20050331074641.04f72eb8@64.7.153.2> <200503311946.23151.hselasky@c2i.net>
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At 12:46 PM 31/03/2005, Hans Petter Selasky wrote:
>On Thursday 31 March 2005 14:49, Mike Tancsa wrote:
> > Unfortunately the box coredumped overnight
> >
> >
> > putc to a clist with no reserved cblocks
> > putc to a clist with no reserved cblocks
> > putc to a clist with no reserved cblocks
> > putc to a clist with no reserved cblocks
> > panic: uhci_abort_xfer: not in process context
> > Uptime: 6h55m12s
> > Dumping 254 MB
> > 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
> > Dump complete
> > Automatic reboot in 15 seconds - press a key on the console to abort
> > Rebooting...
>
>If you are using FreeBSD5.x/6.x my USB driver will most likely fix your
>problem. The problem is that that the abort function, which can sleep, is
>called from the interrupt handler, which cannot sleep. My USB driver will
>allow this. This is a design problem in the existing USB system.
Hi,
Everything patches and seems to compile OK. However, I cannot
talk to the ucom based serial adaptor I was using before
[releng5-865]# usbdevs -v | grep -v err
Controller /dev/usb0:
addr 127: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x0000), rev 1.00
port 1 powered
port 2 powered
Controller /dev/usb1:
addr 126: full speed, power 100 mA, config 1, PL2303 Serial adapter
(ATEN/IOGEAR UC232A)(0x2303), Prolific Technology(0x067b), rev 2.02
addr 127: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x0000), rev 1.00
port 1 addr 126: full speed, power 100 mA, config 1, PL2303 Serial
adapter (ATEN/IOGEAR UC232A)(0x2303), Prolific Technology(0x067b), rev 2.02
port 2 powered
Controller /dev/usb2:
addr 127: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x0000), rev 1.00
port 1 powered
port 2 powered
Controller /dev/usb3:
addr 127: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x0000), rev 1.00
port 1 powered
port 2 powered
[releng5-865]#
This is a RELENG_5 box from this morning.
---Mike
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