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Groups > linux.kernel > #1618830
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: tty crash in tty_ldisc_receive_buf() |
| Date | 2017-04-07 16:10 +0200 |
| Message-ID | <ttCKn-8a9-43@gated-at.bofh.it> (permalink) |
| References | <tt9Il-5mv-1@gated-at.bofh.it> <ttfE5-B0-7@gated-at.bofh.it> <ttqzv-aP-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Apr 6, 2017 at 8:03 PM, Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote: > On Thu, 2017-04-06 at 08:28 -0500, Rob Herring wrote: >> >> Can you try this one [1]. >> >> Rob >> >> [1] https://lkml.org/lkml/2017/3/23/569 > > Unless I missed something, that patch doesn't change barriers or > locking, so I don't see how it could fix anything ... Only because that's a code path that I changed recently and the locking and ordering appears to be tricky. > Mind you we haven't quite figured out exactly what's happening here. Is this with a serial port? There were some changes to serial_core close in 4.9. Rob
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tty crash in tty_ldisc_receive_buf() Michael Neuling <mikey@neuling.org> - 2017-04-06 09:10 +0200
Re: tty crash in tty_ldisc_receive_buf() Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2017-04-06 09:20 +0200
Re: tty crash in tty_ldisc_receive_buf() Rob Herring <robh@kernel.org> - 2017-04-06 15:30 +0200
Re: tty crash in tty_ldisc_receive_buf() Michael Neuling <mikey@neuling.org> - 2017-04-07 02:50 +0200
Re: tty crash in tty_ldisc_receive_buf() Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2017-04-07 03:10 +0200
Re: tty crash in tty_ldisc_receive_buf() Rob Herring <robh@kernel.org> - 2017-04-07 16:10 +0200
Re: tty crash in tty_ldisc_receive_buf() Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2017-04-08 01:30 +0200
Re: tty crash in tty_ldisc_receive_buf() Wang YanQing <udknight@gmail.com> - 2017-04-07 03:30 +0200
Re: tty crash in tty_ldisc_receive_buf() Michael Neuling <mikey@neuling.org> - 2017-04-07 04:10 +0200
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