Date: Sun, 03 Apr 2005 11:46:19 -0400 From: Mike Tancsa <mike@sentex.net> To: Ian Dowse <iedowse@maths.tcd.ie> Cc: freebsd-usb@freebsd.org Subject: Re: panic: uhci_abort_xfer: not in process context (was Re: uplcom / ucom problems on RELENG_5) Message-ID: <6.2.1.2.0.20050403112813.03f5d610@64.7.153.2> In-Reply-To: <200504021416.aa22417@salmon.maths.tcd.ie> References: <Your message of "Thu, 31 Mar 2005 07:49:58 CDT." <6.2.1.2.0.20050331074641.04f72eb8@64.7.153.2> <200504021416.aa22417@salmon.maths.tcd.ie>
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At 09:16 AM 02/04/2005, Ian Dowse wrote:
>In message <6.2.1.2.0.20050331074641.04f72eb8@64.7.153.2>, Mike Tancsa writes:
> >panic: uhci_abort_xfer: not in process context
>...
> >#6 0xc04d2c1f in usbd_abort_pipe (pipe=0xc19c7e00)
> >#7 0xc04c3cf5 in ucomstopread (sc=0x0)
> >#8 0xc04c38ba in ucomstop (tp=0xc171c000, flag=1)
> >#9 0xc054b393 in ttyflush (tp=0xc171c000, rw=1)
> >#10 0xc054974d in ttyinput (c=26, tp=0xc171c000)
>
>In this case I wonder if the transfer needs to be aborted at all,
>since it is just restarted immediately afterwards. Mike, maybe you
>could try the following patch? Sorry, I haven't tested this, so I
>may be missing something obvious.
So far so good! I have been running with this patch for almost 24hrs and
still no panic and also the modem attached to the serial device has not
hung! I am however getting those
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
putc to a clist with no reserved cblocks
spews still.
However, on the
[hifn]% uname -a
FreeBSD hifn.sentex.net 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Fri Apr 1
02:20:32 EST
2005 mdtancsa@hifn.sentex.net:/usr/obj/usr/src/sys/recycle i386
[hifn]%
I am not getting any of those warning/error messages and it has not crashed
either. But, its different hardware, and its just stock CURRENT.
I am going to restart the test on RELENG_5 to try out some newer drivers
and let it run for another 24hrs.
---Mike
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