Re: Unknown symbol in rtai_math.ko in rtai-5.0
Paolo Mantegazza <[email protected]> Fri, 9 Feb 2018 14:59:33 +0100
| Newsgroups | gmane.linux.real-time.rtai |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============2806294585215398572== Content-Type: multipart/alternative; boundary="------------904DFB376136120F2A7B486F" Content-Language: en-US This is a multi-part message in MIME format. --------------904DFB376136120F2A7B486F Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable To configure MUSL care of the README found in the RTAI math subdir. Paolo On 02/09/2018 02:28 PM, Guo Yunfei wrote: > So, I'll try: > 64-bit Debian 8. > kernel 3.16.7 > rtai-5.1 > 64-bit MUSL. > > Thanks > > On Fri, Feb 9, 2018 at 8:47 PM, Paolo Mantegazza=20 > <[email protected] <mailto:[email protected]>> wrote: > > First of you should use the just released RTAI-5.1. > It it does not work either, the recall that you can use also > NEWLIB, MUSL and uCLIB. > On my side I cared most using 64 bits NEWLIB and MUSL. > Paolo > > > On 02/09/2018 11:58 AM, Guo Yunfei wrote: >> Dear Paolo: >> >> I had tried the all the glibc and newlib =C2=A0and =C2=A0uclibc =C2= =A0and musl, >> want to build a available libm.a for the rtai_math.ko using. >> I struggling on this many days, but never success till now. >> >> I'm using Debian 8. =C2=A0kernel-3.16.7, rtai-5.1. >> It is almost same error message pop out with rtai-4.1 or above. >> >> I had try to using Debian 5. but failed to install it into my PC. >> it may because of my PC is a little too new. >> Or , might I didn't download a suitable Debian 5 cd image . >> >> Could =C2=A0you give me some suggestion for the rtai_math.ko =C2=A0= bulid >> successful on Debian 7 or above version? >> Or, Could you share your Debian 5 download address with me? >> >> Many Thanks >> >> Best Regards >> Guo Yunfei >> >> >> >> On Wed, Feb 7, 2018 at 8:52 PM, Paolo Mantegazza >> <[email protected] <mailto:[email protected]>> >> wrote: >> >> I retested the math kernel test with the only (old) 32 bits >> system I've and it worked for me. >> The installation I used is a bit outdated: Debian 5.0, gcc=C2=A0 >> 4.3.2, libxxx 2.7, with libm.a found in /usr/lib/libm.a. >> In any case I used Linux 4.1.18. >> At the moment I can only suggest to try with newlib or musl. >> Alternatively try a more recent RTAI-version. >> Paolo >> >> >> >> On 02/07/2018 01:24 PM, Guo Yunfei wrote: >>> I set =C2=A0the Mathfuns support in Kernel to enable >>> using item 3, it is GLIBC. >>> then I give the libm.a path to /usr/lib/i386-linux-gnu. >>> for I find the libm.a in that path exactly. >>> >>> Many thanks to Paolo. >>> >>> On Wed, Feb 7, 2018 at 7:04 PM, Paolo Mantegazza >>> <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> How did you configure the RTAI math lib to use? >>> Paolo >>> >>> >>> On 02/07/2018 11:54 AM, Guo Yunfei wrote: >>>> >>>> Hi. Everybody. >>>> >>>> I get trouble with rtai_math.ko for a long time. >>>> I'm using 32bit Debian 8.9.0 with kernel-4.1.18 with >>>> rtai-5.0. >>>> I setup the math funtion in kernel item enable. >>>> The libm.a path was setting to /usr/lib/i386-linux-gnu. >>>> set as 3, using glibc-libm.a >>>> >>>> >>>> >>>> When I make the rtai-5.0, some warning message always >>>> pop out like below: >>>> >>>> //------------------------------------------------------= --- >>>> Making all in math >>>> make[3]: Entering directory >>>> '/media/guoissac/13GDATA/rtai-5.0/base/math' >>>> make[4]: Entering directory >>>> '/media/guoissac/13GDATA/linux-4.1.18' >>>> =C2=A0 CC [M] =C2=A0/media/guoissac/13GDATA/rtai-5.0/bas= e/math/libm.o >>>> =C2=A0 LD [M] >>>> =C2=A0/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_ma= th.o >>>> =C2=A0 Building modules, stage 2. >>>> =C2=A0 MODPOST 1 modules >>>> WARNING: "remquo" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "erfcf" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "ynf" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "erfc" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "frexp" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "logbf" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "y1" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "expm1f" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "__signbitd" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "trunc" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> >>>> .... >>>> .... >>>> .... >>>> >>>> >>>> WARNING: "exp2f" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "lroundf" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "asinh" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "cosh" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "sqrt" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "log" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "fabs" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "fmodf" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> WARNING: "expm1" >>>> [/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_math.ko= ] >>>> undefined! >>>> =C2=A0 CC >>>> =C2=A0/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_ma= th.mod.o >>>> =C2=A0 LD [M] >>>> =C2=A0/media/guoissac/13GDATA/rtai-5.0/base/math/rtai_ma= th.ko >>>> make[4]: Leaving directory >>>> '/media/guoissac/13GDATA/linux-4.1.18' >>>> mv rtai_math.ko rtai_math.ko.tmp >>>> ld -r -static -o rtai_math.ko rtai_math.ko.tmp >>>> /usr/lib/i386-linux-gnu/libm.a >>>> rm -f rtai_math.ko.tmp >>>> //------------------------------------------------------= ------- >>>> >>>> If I not care of above warning message. go on insmod >>>> rtai_math.ko. >>>> the error message pop out like below: >>>> //-------------------------------- >>>> >>>> insmod: ERROR: could not insert module rtai_math.ko: >>>> Unknown symbol in module >>>> >>>> >>>> //---------------------------- >>>> >>>> Then I dmesg, it showing like below: >>>> >>>> //------------------------------------------- >>>> [ =C2=A0101.763572] rtai_math: Unknown symbol gammaf_r (= err 0) >>>> [ =C2=A0101.763584] rtai_math: Unknown symbol errno (err= 0) >>>> [ =C2=A0101.763598] rtai_math: Unknown symbol __fpclassi= fyd >>>> (err 0) >>>> [ =C2=A0101.763612] rtai_math: Unknown symbol rt_smp_cur= rent >>>> (err 0) >>>> [ =C2=A0101.763621] rtai_math: Unknown symbol rtai_cpu_l= ock >>>> (err 0) >>>> [ =C2=A0101.763632] rtai_math: Unknown symbol strtod (er= r 0) >>>> [ =C2=A0101.763643] rtai_math: Unknown symbol infinity (= err 0) >>>> [ =C2=A0101.763653] rtai_math: Unknown symbol gamma_r (e= rr 0) >>>> [ =C2=A0101.763665] rtai_math: Unknown symbol strtof (er= r 0) >>>> [ =C2=A0101.763675] rtai_math: Unknown symbol infinityf = (err 0) >>>> [ =C2=A0101.763686] rtai_math: Unknown symbol >>>> _GLOBAL_OFFSET_TABLE_ (err 0) >>>> [ =C2=A0101.763696] rtai_math: Unknown symbol _dl_hwcap = (err 0) >>>> [ =C2=A0101.763707] rtai_math: Unknown symbol __signbitd= (err 0) >>>> >>>> //--------------------------- >>>> >>>> I tried many other configuration like: >>>> ubuntu 14.04 with kernel-4.1.18 with rtai-5.0 >>>> ubuntu 14.04 with kernel-3.10.32 with rtai-4.1 >>>> Debian 8.9 with kernel-3.10.32 with rtai-4.1 >>>> Debian 7.0.0 with kernel-3.10.32 with rtai-4.1 >>>> >>>> But all of it show the same error message. >>>> >>>> Could anyone give me some guid on solve those problem? >>>> Or, could you share your successful experience with >>>> rtai_math.ko to me? >>>> >>>> >>>> Best Regards >>>> Guo Issac >>>> From ShangHang. China. >>>> >>>> >>>> >>>> _______________________________________________ >>>> Rtai mailing list >>>> [email protected] <mailto:[email protected]> >>>> https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai >>>> <https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai> >>> >>> >>> >> >> > > --------------904DFB376136120F2A7B486F Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf= -8"> </head> <body text=3D"#000000" bgcolor=3D"#FFFFFF"> <div class=3D"moz-cite-prefix">To configure MUSL care of the README found in the RTAI math subdir.<br> Paolo<br> <br> On 02/09/2018 02:28 PM, Guo Yunfei wrote:<br> </div> <blockquote type=3D"cite" cite=3D"mid:CAN_Un=3DWR=3DqDkEBGSPH8sCrcQuXXxQkrnBpy1+82p5tdqkmu5_w@mail.= gmail.com"> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Du= tf-8"> <div dir=3D"ltr"> <div>So, I'll try:</div> <div>64-bit Debian 8.</div> <div>kernel 3.16.7</div> <div>rtai-5.1</div> <div>64-bit MUSL.</div> <div><br> </div> <div>Thanks</div> </div> <div class=3D"gmail_extra"><br> <div class=3D"gmail_quote">On Fri, Feb 9, 2018 at 8:47 PM, Paolo Mantegazza <span dir=3D"ltr"><<a href=3D"mailto:[email protected]" target=3D"_blank= " moz-do-not-send=3D"true">[email protected]</a>>= </span> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text=3D"#000000" bgcolor=3D"#FFFFFF"> <div class=3D"m_-7907367982762922399moz-cite-prefix">First of you should use the just released RTAI-5.1.<br> It it does not work either, the recall that you can use also NEWLIB, MUSL and uCLIB.<br> On my side I cared most using 64 bits NEWLIB and MUSL.<sp= an class=3D"HOEnZb"><font color=3D"#888888"><br> Paolo</font></span> <div> <div class=3D"h5"><br> <br> On 02/09/2018 11:58 AM, Guo Yunfei wrote:<br> </div> </div> </div> <div> <div class=3D"h5"> <blockquote type=3D"cite"> <div dir=3D"ltr"> <div>Dear Paolo:</div> <div><br> </div> <div>I had tried the all the glibc and newlib =C2=A0= and =C2=A0uclibc =C2=A0and musl, want to build a avai= lable libm.a for the rtai_math.ko using.</div> <div>I struggling on this many days, but never success till now.</div> <div><br> </div> <div>I'm using Debian 8. =C2=A0kernel-3.16.7, rtai-= 5.1.</div> <div>It is almost same error message pop out with rtai-4.1 or above.</div> <div><br> </div> <div>I had try to using Debian 5. but failed to install it into my PC. it may because of my PC is a little too new.</div> <div>Or , might I didn't download a suitable Debian 5 cd image .</div> <div><br> </div> <div>Could =C2=A0you give me some suggestion for th= e rtai_math.ko =C2=A0bulid successful on Debian 7 o= r above version?</div> <div>Or, Could you share your Debian 5 download address with me?</div> <div><br> </div> <div>Many Thanks</div> <div><br> </div> <div>Best Regards<br> Guo Yunfei</div> <div><br> </div> <div><br> </div> </div> <div class=3D"gmail_extra"><br> <div class=3D"gmail_quote">On Wed, Feb 7, 2018 at 8:52 PM, Paolo Mantegazza <span dir=3D"ltr"><<= a href=3D"mailto:[email protected]" target=3D"_blank" moz-do-not-send=3D"true">pa= [email protected]</a>></span> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin= :0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text=3D"#000000" bgcolor=3D"#FFFFFF"> <div class=3D"m_-7907367982762922399m_8459613757= 452751471moz-cite-prefix">I retested the math kernel test with the only (old) 32 bits system I've and it worked for me.<br> The installation I used is a bit outdated: Debian 5.0, gcc=C2=A0 4.3.2, libxxx 2.7, wi= th libm.a found in /usr/lib/libm.a. <br> In any case I used Linux 4.1.18. <br> At the moment I can only suggest to try with newlib or musl. Alternatively try a more recent RTAI-version.<span class=3D"m_-7907367982762922399HOEnZb"><f= ont color=3D"#888888"><br> Paolo</font></span> <div> <div class=3D"m_-7907367982762922399h5"><= br> <br> <br> On 02/07/2018 01:24 PM, Guo Yunfei wrote:<br> </div> </div> </div> <div> <div class=3D"m_-7907367982762922399h5"> <blockquote type=3D"cite"> <div dir=3D"ltr"><span style=3D"font-size:12.8px">I set =C2=A0the Mathfuns support in Kerne= l to enable</span> <div style=3D"font-size:12.8px">using item 3, it is GLIBC.</div> <div style=3D"font-size:12.8px">then = I give the libm.a path to /usr/lib/i386-linux-gnu.</div> <div style=3D"font-size:12.8px">for I find the libm.a in that path exactly.</div> <div style=3D"font-size:12.8px"><br> </div> <div style=3D"font-size:12.8px">Many thanks to Paolo.</div> </div> <div class=3D"gmail_extra"><br> <div class=3D"gmail_quote">On Wed, Fe= b 7, 2018 at 7:04 PM, Paolo Mantegazza <span dir=3D"ltr"><<a href=3D"mailto:[email protected]" target=3D"_blank" moz-do-not-send=3D"true">paolo.= [email protected]</a>></span> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div text=3D"#000000" bgcolor=3D"#FFFFFF"> <div class=3D"m_-7907367982762922399m_8459613757452751471m_5574068749004868000= moz-cite-prefix">How did you configure the RTAI math lib to use?<br> Paolo <div> <div class=3D"m_-7907367982762= 922399m_8459613757452751471h5"><br> <br> On 02/07/2018 11:54 AM, Guo Yunfei wrote:<br> </div> </div> </div> <blockquote type=3D"cite"> <div> <div class=3D"m_-7907367982762= 922399m_8459613757452751471h5"> <div dir=3D"ltr"> <div><br> </div> <div>Hi. Everybody.</di= v> <div><br> </div> <div>I get trouble with rtai_math.ko for a long time.</div= > <div>I'm using 32bit Debian 8.9.0 with kernel-4.1.18 with rtai-5.0.</div> <div>I setup the math funtion in kernel item enable.</div> <div>The libm.a path was setting to /usr/lib/i386-linux-g= nu. set as 3, using glibc-libm.a</div> <div><br> </div> <div><br> </div> <div><br> </div> <div>When I make the rtai-5.0, some warning message always pop out like below:</div> <div><br> </div> <div>//----------------= ------------<wbr>-----------------------------</div> <div>Making all in math</div> <div>make[3]: Entering directory '/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math'</div> <div>make[4]: Entering directory '/media/guoissac/13GD= ATA/linux<wbr>-4.1.18'</div> <div>=C2=A0 CC [M] =C2=A0/media/guoissac= /13GDATA/rtai-<wbr>5.0/base/math/libm.o</div> <div>=C2=A0 LD [M] =C2=A0/media/guoissac= /13GDATA/rtai-<wbr>5.0/base/math/rtai_math.o</div> <div>=C2=A0 Building modules, stage 2.</di= v> <div>=C2=A0 MODPOST 1 modules</div> <div>WARNING: "remquo" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "erfcf" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "ynf" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "erfc" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "frexp" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "logbf" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "y1" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "expm1f" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "__signbitd" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "trunc" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div><br> </div> <div>....</div> <div>....</div> <div>....</div> <div><br> </div> <div><br> </div> <div>WARNING: "exp2f" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "lroundf" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "asinh" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "cosh" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "sqrt" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "log" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "fabs" [/media/guoissac/13GD= ATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "fmodf" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>WARNING: "expm1" [/media/guoissac/13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko] undefined!</div> <div>=C2=A0 CC =C2=A0 =C2= =A0 =C2=A0/media/guoissac= /13GDATA/rtai-<wbr>5.0/base/math/rtai_math.mod.o</div> <div>=C2=A0 LD [M] =C2=A0/media/guoissac= /13GDATA/rtai-<wbr>5.0/base/math/rtai_math.ko</div> <div>make[4]: Leaving directory '/media/guoissac/13GD= ATA/linux<wbr>-4.1.18'</div> <div>mv rtai_math.ko rtai_math.ko.tmp</div= > <div>ld -r -static -o rtai_math.ko rtai_math.ko.tmp /usr/lib/i386-linux-g= nu/libm.a</div> <div>rm -f rtai_math.ko.tmp</div= > <div>//----------------= ------------<wbr>------------------------------<wbr>---</div> <div><br> </div> <div>If I not care of above warning message. go on insmod rtai_math.ko.<= /div> <div>the error message pop out like below:</= div> <div>//----------------= ------------<wbr>----</div> <div><br> </div> <div>insmod: ERROR: could not insert module rtai_math.ko: Unknown symbol in module</div> <div><br> </div> <div><br> </div> <div>//----------------= ------------</div> <div><br> </div> <div>Then I dmesg, it showing like below:</= div> <div><br> </div> <div>//----------------= ------------<wbr>---------------</div> <div>[ =C2=A0101.763572= ] rtai_math: Unknown symbol gammaf_r (err 0)</div> <div>[ =C2=A0101.763584= ] rtai_math: Unknown symbol errno (err 0)<= /div> <div>[ =C2=A0101.763598= ] rtai_math: Unknown symbol __fpclassifyd (err 0)</div> <div>[ =C2=A0101.763612= ] rtai_math: Unknown symbol rt_smp_current (err 0)</div> <div>[ =C2=A0101.763621= ] rtai_math: Unknown symbol rtai_cpu_lock (err 0)</div> <div>[ =C2=A0101.763632= ] rtai_math: Unknown symbol strtod (err 0)</div> <div>[ =C2=A0101.763643= ] rtai_math: Unknown symbol infinity (err 0)</div> <div>[ =C2=A0101.763653= ] rtai_math: Unknown symbol gamma_r (err 0)</div> <div>[ =C2=A0101.763665= ] rtai_math: Unknown symbol strtof (err 0)</div> <div>[ =C2=A0101.763675= ] rtai_math: Unknown symbol infinityf (err 0)</div> <div>[ =C2=A0101.763686= ] rtai_math: Unknown symbol _GLOBAL_OFFSET_TABLE_ (err 0)</div> <div>[ =C2=A0101.763696= ] rtai_math: Unknown symbol _dl_hwcap (err 0)</div> <div>[ =C2=A0101.763707= ] rtai_math: Unknown symbol __signbitd (err 0)</div> <div><br> </div> <div>//----------------= -----------</div> <div><br> </div> <div>I tried many other configuration like:</div> <div>ubuntu 14.04 with kernel-4.1.18 with rtai-5.0</div> <div>ubuntu 14.04 with kernel-3.10.32 with rtai-4.1</div> <div>Debian 8.9 with kernel-3.10.32 with rtai-4.1</div> <div>Debian 7.0.0 with kernel-3.10.32 with rtai-4.1</div> <div><br> </div> <div>But all of it show the same error message.</div> <div><br> </div> <div>Could anyone give me some guid on solve those problem?<= /div> <div>Or, could you share your successful experience with rtai_math.ko to me?</= div> <div><br> </div> <div><br> </div> <div>Best Regards</div> <div>Guo Issac=C2=A0</d= iv> <div>From ShangHang. China.</div> <div><br> </div> </div> <br> <fieldset class=3D"m_-7907367982762922399m_8459613757452751471m_5574068749004868000= mimeAttachmentHeader"></fieldset> <br> </div> </div> <pre>________________________= ______<wbr>_________________ Rtai mailing list <a class=3D"m_-7907367982762922399m_8459613757452751471m_5574068749004868= 000moz-txt-link-abbreviated" href=3D"mailto:[email protected]" target=3D"_bla= nk" moz-do-not-send=3D"true">[email protected]</a> <a class=3D"m_-7907367982762922399m_8459613757452751471m_5574068749004868= 000moz-txt-link-freetext" href=3D"https://mail.rtai.org/cgi-bin/mailman/l= istinfo/rtai" target=3D"_blank" moz-do-not-send=3D"true">https://mail.rta= i.org/cgi-bin/<wbr>mailman/listinfo/rtai</a></pre> </blockquote> <p><br> </p> </div> </blockquote> </div> <br> </div> </blockquote> <p><br> </p> </div> </div> </div> </blockquote> </div> <br> </div> </blockquote> <p><br> </p> </div> </div> </div> </blockquote> </div> <br> </div> </blockquote> <p><br> </p> </body> </html> --------------904DFB376136120F2A7B486F-- --===============2806294585215398572== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Rtai mailing list [email protected] https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai --===============2806294585215398572==--