Hi; 22 Şub 2007 Per tarihinde, Antonino A. Daplas şunları yazmıştı: > Ah, and you have fb_splash too. That's why the tracing was not what I > expected it to be. > > Try using video=vesafb:noblank to disable hardware blanking and find out > if you can still reproduce the oops. I'll try and also will try to reproduce with vanilla one. > After grepping for change_console, all callers of change_console and > complete_change_console are acquiring the console semaphore, so I really > don't know what's going on here... > > Since you are using a non-vanilla kernel, can you just do > a grep change_console of the kernel source and see if you can find a > caller that missed doing an acquire_console_sem(). fbsplash and vesafb-tng has no change_console call and patched one seems same with vanilla one. [caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]> grep change_console fbsplash-0.9.2-r5.patch [caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]> grep change_console vesafb-tng-1.0-rc2.patch [caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]> zangetsu linux-2.6.20 # grep change_console * -r drivers/char/vt_ioctl.c:static void complete_change_console(struct vc_data *vc); drivers/char/vt_ioctl.c: complete_change_console(vc_cons[newvt].d); drivers/char/vt_ioctl.c:static void complete_change_console(struct vc_data *vc) drivers/char/vt_ioctl.c: * clean up (similar to logic employed in change_console()) drivers/char/vt_ioctl.c:void change_console(struct vc_data *new_vc) drivers/char/vt_ioctl.c: complete_change_console(new_vc); drivers/char/vt.c: change_console(vc_cons[want_console].d); include/linux/vt_kern.h:void change_console(struct vc_data *new_vc); Cheers -- S.Çağlar Onur <[email protected]> http://cekirdek.pardus.org.tr/~caglar/ Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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- References:
- [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
- From: "S.Çağlar Onur" <[email protected]>
- Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
- From: "S.Çağlar Onur" <[email protected]>
- Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
- From: "Antonino A. Daplas" <[email protected]>
- [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
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