Am Donnerstag, 7. Oktober 2004 02:00 schrieb Jon Smirl:
> This should fix it. I'm I'll check it in after I reboot and test it.
> It didn't occur to me that DRM(global) could be freed while the loop
> is in progress.
>
> I need to remember to keep testing everything with framebuffer loaded
> and again without it loaded.
>
> [EMAIL PROTECTED] drm-bk]$ bk -r diffs -u
> ===== linux/drm_drv.h 1.21 vs edited =====
> --- 1.21/linux/drm_drv.h 2004-09-21 20:29:48 -04:00
> +++ edited/linux/drm_drv.h 2004-10-06 19:56:06 -04:00
> @@ -664,7 +664,7 @@
> DRM_DEBUG( "\n" );
> if (DRM(fb_loaded)) {
> if (DRM(global)) {
> - for (i = 0; i < DRM(global)->cards_limit; i++) {
> + for (i = 0; DRM(global) && (i <
> DRM(global)->cards_limit); i++) {
> minor = &DRM(global)->minors[i];
> dev = minor->dev;
> DRM_DEBUG("fb loaded release minor
> %d\n", dev->minor);
Good catch!
I had hangs during shutdown sometimes...
radeon.ko
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
fabfd6fe
*pde = 00000000
Oops: 0000 [#1]
PREEMPT SMP
CPU: 1
EIP: 0060:[__crc_posix_unblock_lock+493335/1053176] Tainted: G U
EIP: 0060:[<fabfd6fe>] Tainted: G U
EFLAGS: 00010206 (2.6.5-7.108-smp)
EIP is at drm_exit+0x4e/0x100 [radeon]
eax: 00000000 ebx: f3bbe180 ecx: f7fff0c0 edx: c1000000
esi: f425c000 edi: 0000000c ebp: 00000001 esp: c44c1f38
ds: 007b es: 007b ss: 0068
Process rmmod (pid: 4099, threadinfo=c44c0000 task=ee3ae820)
Stack: c02e9430 fffffff0 00000880 fac09c00 c02e98d8 00000000 00000880
c0142280
c44c0000 00000000 fac09c00 00000880 c44c1f5c c44c0000 65646172
40006e6f
40019000 c44c1f98 40417fff c180c040 f3abadd8 f3aba88c 40019000
c180c040
Call Trace:
[sys_delete_module+352/512] sys_delete_module+0x160/0x200
[<c0142280>] sys_delete_module+0x160/0x200
[sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71
[<c010841d>] sysenter_past_esp+0x52/0x71
Code: 3b 28 73 5e 8b 58 04 01 fb f6 05 80 9d c0 fa 01 8b 73 04 74
FIXED, now.
Thanks,
Dieter
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