From: Linus Torvalds <torvalds@linux-foundation.org>
To: Helge Hafting <helge.hafting@aitel.hist.no>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.28-rc2 i/o error on /dev/ttyUSB0
Date: Tue, 28 Oct 2008 09:37:55 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.0810280928320.3386@nehalem.linux-foundation.org> (raw)
In-Reply-To: <4906F54A.7020909@aitel.hist.no>
On Tue, 28 Oct 2008, Helge Hafting wrote:
>
> I have gps unit connected via USB-serial (pl2303).
> This does not work with 2.6.28-rc2
>
> 2.6.27 is fine. I skipped 2.6.28-rc1 due to known breakage.
> I can test it if that might help.
Don't bother with -rc1, but bisecting it may be relevant. You might of
course hit the breakage, but it's fairly unlikely.
That said, the whole "error on USB serial device" sounds like it's
squarely in the "oops, kref's are screwed up" corner, and you should talk
to Alan about your particular USB dongle. I bet that bisection would just
show you one of the kref commits (eg 4a90f09b "tty: usb-serial krefs" or
maybe 7d7b93c14 "tty: kref the tty driver object").
Alan, pls help.
Linus
next prev parent reply other threads:[~2008-10-28 16:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-26 19:41 Linux 2.6.28-rc2 Linus Torvalds
2008-10-27 22:52 ` [2.6.28-rc2] EeePC ACPI errors & exceptions Darren Salt
2008-10-28 1:32 ` Zhao Yakui
2008-10-28 6:47 ` Zhao Yakui
2008-10-28 9:42 ` Zhao Yakui
2008-10-28 11:16 ` Darren Salt
2008-10-28 20:46 ` Alexey Starikovskiy
2008-10-29 0:37 ` Darren Salt
2008-10-29 7:39 ` Zhao Yakui
2008-10-29 9:29 ` Alexey Starikovskiy
2008-10-30 1:32 ` Zhao Yakui
2008-10-30 7:18 ` Alexey Starikovskiy
2008-10-28 11:19 ` Linux 2.6.28-rc2 i/o error on /dev/ttyUSB0 Helge Hafting
2008-10-28 16:37 ` Linus Torvalds [this message]
2008-10-28 17:06 ` Alan Cox
2008-10-29 12:28 ` Helge Hafting
2008-10-30 15:54 ` Alan Cox
2008-10-30 17:08 ` Helge Hafting
2008-10-30 17:22 ` Alan Cox
2008-10-30 13:50 ` Linux 2.6.28-rc2 lost IDE disk on old laptop Wolfgang Erig
2008-10-30 14:33 ` Borislav Petkov
2008-10-30 17:58 ` Linux 2.6.28-rc2 lost IDE disk on old laptop fixed Wolfgang Erig
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