| maxwelld | yes! | 00:17 |
|---|---|---|
| maxwelld | used it whole day today. while working listened to internet radios. | 00:18 |
| maxwelld | and it got me a list of works i like. in csv format. | 00:19 |
| sicelo | tmlind: freemangordon: remember the l3 interrupt issue i posted a couple of weeks ago? https://paste.debian.net/1284876/ for ease of reference | 09:24 |
| sicelo | and fmg asked if it could be possible to find address or device that's at fault ... TRM seems to suggest it's possible even on OMAP3, see page 643, 5.2.4.3 | 09:26 |
| sicelo | we probably can't tell here because the kernel code calls BUG_ON() without attempting to decode the source of the error, https://github.com/torvalds/linux/blob/master/drivers/bus/omap_l3_smx.c#L171-L177 | 09:29 |
| sicelo | i added a printk just above that line 177, printk("omap_l3_smx.c: omap3_l3_app_irq: L3_SI_FLAG_STATUS_0: %llu \n", status); | 09:30 |
| sicelo | got the value 524288, (0x80000) ... using table 5-29, I suppose that's flag bit 19, pointing to sDMA Rd IA | 09:34 |
| sicelo | just thought i'd give you guys an update ... maybe you will have some ideas on how to proceed further | 09:36 |
| freemangordon | sicelo: thanks, I'll read the TRM later on to see if we can extract some more info | 11:24 |
| freemangordon | what the ?!? https://github.com/torvalds/linux/blob/master/drivers/bus/omap_l3_smx.c#L168 | 11:25 |
| freemangordon | sicelo: what about moving the bug down? | 11:27 |
| freemangordon | BUG_ON() I mean | 11:28 |
| freemangordon | and see if you can get any more info from https://github.com/torvalds/linux/blob/master/drivers/bus/omap_l3_smx.c#L183 and down | 11:28 |
| sicelo | yes, thanks. that's what i was going to try next :-) | 11:34 |
| sicelo | i was yet to see what the __ffs does (line 184) so i can know if line 186 will contain the correct address | 11:35 |
| sicelo | freemangordon: so with our timeout error, `int_type` will be 0, and err_source will be 19. looks good. what i can't grok yet is how `base` will be evaluated on line 186. it appears to expect omap3_l3_bases to be a multidimensional array, something like omap3_l3_bases[0][19] in our case. | 14:59 |
| sicelo | ah ... sorry i get it now. always good to ask :P | 15:00 |
| sicelo | so `bases` will be calculated correctly ... i'll make the change soon | 15:01 |
| freemangordon | :) | 15:07 |
| sicelo | i'll also try what tmlind suggested at https://lore.kernel.org/lkml/YmkFvmE+2CD3Bjs+@atomide.com/ ... but for now, already compiling such that we can see what's going on with the L3 error itself | 15:34 |
| freemangordon | right | 16:22 |
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