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Message-ID: <1418195704.5312.31.camel@marge.simpson.net> Date: Wed, 10 Dec 2014 08:15:04 +0100 From: Mike Galbraith <umgwanakikbuti@...il.com> To: Ondrej Zary <linux@...nbow-software.org> Cc: linux-fbdev@...r.kernel.org, Kernel development list <linux-kernel@...r.kernel.org> Subject: Re: Compiled tridentfb hangs but distribution kernel works fine On Tue, 2014-12-09 at 22:33 +0100, Ondrej Zary wrote: > Hello, > I'm doing some work on tridentfb driver but encountered a weird problem. > > When I compile custom kernel with tridentfb, it hangs with Blade3D card (ID > 0x9880) in blade_image_blit(). The screen is blank with some artifacts and > machine does not respond to ping or keyboard. However, it can be rebooted by > Alt+SysRq+B. It works fine with other cards (3DImage 9750 and CyberBlade XP) > with no blit implementation. Commenting out contents of blade_image_blit() > function makes the hang go away (nothing useful on the screen, of course). > > The weird thing is that the Blade3D card works fine when I load Debian > kernels! Debian 3.16-0.bpo.3-686-pae works fine but when I compile 3.16 > kernel, it hangs. > > Any ideas? I'd start by looking for what Debian changed in source and/or config. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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