With a clean install of wordpress + buddypress + rtmedia If imagick is enabled then uploads do not work in either activity stream or media
my imagic details imagick module version: imagick module enabled imagick module version 3.1.2 imagick classes Imagick, ImagickDraw, ImagickPixel, ImagickPixelIterator ImageMagick version ImageMagick 6.7.4-7 2012-01-18 Q16 http://www.imagemagick.org ImageMagick copyright Copyright © 1999-2012 ImageMagick Studio LLC ImageMagick release date 2012-01-18 ImageMagick number of supported formats: 196 ImageMagick supported formats 3FR, A, AAI, AI, ART, ARW, AVI, AVS, B, BMP, BMP2, BMP3, C, CAL, CALS, CANVAS, CAPTION, CIN, CIP, CLIP, CMYK, CMYKA, CR2, CRW, CUR, CUT, DCM, DCR, DCX, DDS, DFONT, DNG, DPX, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, EPT3, ERF, FAX, FITS, FRACTAL, FTS, G, G3, GIF, GIF87, GRADIENT, GRAY, GROUP4, HALD, HDR, HISTOGRAM, HRZ, HTM, HTML, ICB, ICO, ICON, INFO, INLINE, IPL, J2C, JNG, JP2, JPC, JPEG, JPG, JPX, K, K25, KDC, LABEL, M, M2V, M4V, MAC, MAP, MAT, MATTE, MIFF, MNG, MONO, MOV, MP4, MPC, MPEG, MPG, MRW, MSL, MSVG, MTV, MVG, NEF, NULL, O, ORF, OTB, OTF, PAL, PALM, PAM, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PDFA, PEF, PES, PFA, PFB, PFM, PGM, PGX, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG24, PNG32, PNG8, PNM, PPM, PREVIEW, PS, PS2, PS3, PSB, PSD, PTIF, PWP, R, RADIAL-GRADIENT, RAF, RAS, RGB, RGBA, RGBO, RLA, RLE, SCR, SCT, SFW, SGI, SHTML, SR2, SRF, STEGANO, SUN, SVG, SVGZ, TEXT, TGA, THUMBNAIL, TIFF, TIFF64, TILE, TIM, TTC, TTF, TXT, UIL, UYVY, VDA, VICAR, VID, VIFF, VST, WBMP, WMV, WPG, X, X3F, XBM, XC, XCF, XPM, XPS, XV, XWD, Y, YCbCr, YCbCrA, YUV
Directive Local Value Master Value imagick.locale_fix 0 0 imagick.progress_monitor 0 0