-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 You cannot use libc-stuff for the kernel, use the kernel equalients... //Markus kaka wrote: > Hi All, > > Thanks for the overhelming responses. > I was able to remove the problem of Unknown symbols by linking the > proper libraries. Now the problem got reduced to the following messages. > > # insmod brcmstfb.ko > brcmstfb: Unknown symbol printf > brcmstfb: Unknown symbol malloc > brcmstfb: Unknown symbol free > insmod: cannot insert `brcmstfb.ko': Unknown symbol in module (2): > No such file or directory > # > > for the above problem i had tried to link "libgcc.a " but those > symbols are also undefined in it also. > RECAP: > While running the cross compiled directFB example on MIPS chip,* > We tried to install the framebuffer driver(command given > above) after creating the node fb0. > APPROACH: > Actually the code of frambuffer driver consists of usual kernel > framebuffer code and properitiary graphics lib code. > The properitiary graphics lib code is using malloc,print and free > from <stdlib.h> and that is why those symbols are coming undefined. > > Could anybody help in this regard? > Thanks in advance. > > kaka > > > > ---------- Forwarded message ---------- > From: *kaka* < share.kt@xxxxxxxxx <mailto:share.kt@xxxxxxxxx>> > Date: Oct 12, 2007 6:33 PM > Subject: Error opening framebuffer device/Unknown symbol > register_framebuffer > To: directfb-users@xxxxxxxxxxxx > <mailto:directfb-users@xxxxxxxxxxxx>, directfb-dev@xxxxxxxxxxxx > <mailto:directfb-dev@xxxxxxxxxxxx>. > > > > * Hi All, * > > * While running the cross compiled directFB example on MIPS chip, * > > * > > > > We tried to install the framebuffer driver(command given at the bottom) and we have already created the node fb0. * > > * We are getting the following error, * > > > > * Can anybody help in this regard ? * > > * Thanks in Advance. * > > # ../../cross_directfb/simple_mips > > =======================| DirectFB 1.0.0 |======================= > (c) 2001-2007 The DirectFB Organization (directfb.org <http://directfb.org/>) > (c) 2000-2004 Convergence (integrated media) GmbH > ------------------------------------------------------------ > > (*) DirectFB/Core: Single Application Core. (2007-10-05 14:17) > (!) Direct/Util: opening '/dev/fb0' failed > --> No such device or address > (!) DirectFB/FBDev: Error opening framebuffer device! > (!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable. > (!) DirectFB/Core: Could not initialize 'system' core! > --> Initialization error! > simple.c <96>: > (#) DirectFBError [DirectFBCreate (&dfb)]: Initialization error! > # > > * While running the following command in MIPS chip, we are getting the following error. * > > # insmod brcmstfb.ko > brcmstfb: Unknown symbol unregister_framebuffer > brcmstfb: Unknown symbol printf > brcmstfb: Unknown symbol malloc > brcmstfb: Unknown symbol fb_find_mode > brcmstfb: Unknown symbol fb_dealloc_cmap > brcmstfb: Unknown symbol fb_alloc_cmap > brcmstfb: Unknown symbol framebuffer_release > brcmstfb: Unknown symbol free > insmod: cannot insert `brcmstfb.ko': Unknown symbol in module (2): No such file or directory > # > # > > > > > > > -- > Thanks & Regards, > kaka > > -- > Thanks & Regards, > kaka - -- _______________________________________ Mr Markus Gothe Software Engineer Phone: +46 (0)13 21 81 20 (ext. 1046) Fax: +46 (0)13 21 21 15 Mobile: +46 (0)73 718 72 80 Diskettgatan 11, SE-583 35 Linköping, Sweden www.27m.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHILyr6I0XmJx2NrwRCDF2AJ9eZIGLy2mPEiUn6bz4+oX7pclzWACfQBn8 pv3s3/Hpkhhau69I7NZLCJ0= =0zSq -----END PGP SIGNATURE-----
