* Fw: [Bug 195217] siocsifflags - irda doesn't work (MCS7780)
@ 2017-05-04 16:48 Stephen Hemminger
0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2017-05-04 16:48 UTC (permalink / raw)
To: Samuel Ortiz; +Cc: netdev
Apparently IRDA is broken by VMAP_STACK
Begin forwarded message:
Date: Thu, 04 May 2017 12:16:15 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: stephen@networkplumber.org
Subject: [Bug 195217] siocsifflags - irda doesn't work (MCS7780)
https://bugzilla.kernel.org/show_bug.cgi?id=195217
Jerome (jb_69100@yahoo.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Other |USB
Kernel Version|4.9.X, 4.10.X, 4.11-rcX |4.9.0 --> 4.11.0
Product|Networking |Drivers
Severity|blocking |high
--- Comment #2 from Jerome (jb_69100@yahoo.com) ---
Hi,
If I compile the kernel by setting CONFIG_VMAP_STACK = N, "ifconfig irda0 up"
is working correctly. (Tested with kernel 4.11.0)
I suppose the problem comes either from the MCS7780 driver (use the stack not
"in the rules"?) Or from VMAP_STACK.
Can you help me better understand the problem?
Regards,
Jerome.
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2017-05-04 16:48 Fw: [Bug 195217] siocsifflags - irda doesn't work (MCS7780) Stephen Hemminger
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