On Wed, 2014-04-23 at 18:14 +0400, Dmitry Semyonov wrote: > Hello Ben, > > Thank you for uploading the fixed version. The following is mostly for > you information. (I.e. I do not expect you to do any additional > investigation. Neither am I going to spend more time on this.) > > On 20 April 2014 22:34, Dmitry Semyonov wrote: > > On 20 April 2014 18:05, Ben Hutchings wrote: > >> On Sun, 2014-04-20 at 11:41 +0400, Dmitry Semyonov wrote: > > > >>> Thanks! It fixes the crash but wlan0 has to be brought down, and up > >>> again to make it work after initial bring up attempt: > >> [...] > >> > >> I assume this is a regression, i.e. this problem did not exist in > >> 3.2.54-2? > > > > This is correct. > > The interesting thing is that I do not see the regression in 3.2.57-3, > although it uses the same rtl8192ce patch as I was testing with. So, I > wonder if I missed some important step, or 3.2.57-3 contains a bit > more changes than just the patch? (Note that I also removed 3.10 > kernel-related packages from the system before installing 3.2.57-3, > but this hardly could cause such change in behavior.)
No, the only difference between 3.2.57-2 and -3 is the first patch you tested. > > I have double-checked 3.2.54-2: > > > > $ sudo ifup wlan0=h > > > > [ 93.537605] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin > > [ 93.881450] ADDRCONF(NETDEV_UP): wlan0: link is not ready > > [ 94.750415] wlan0: direct probe to b8:a3:86:aa:93:66 (try 1/3) > > [ 94.752161] wlan0: direct probe responded > > And there are no "direct probe" messages in 3.2.57-3 log that were > failing in 3.2.57-2 + rtl8192ce patch. > > P.S. > Found one case with "direct probe" failures magically solved on a > different hardware after rebooting to Windows - > https://bbs.archlinux.org/viewtopic.php?pid=1044780#p1044780. So it sounds like this is an existing bug in the driver and not a regression in 3.2.57. Ben. -- Ben Hutchings Beware of programmers who carry screwdrivers. - Leonard Brandwein
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