* Felipe Balbi <balbi@xxxxxx> [141003 07:53]: > On Thu, Oct 02, 2014 at 04:59:30PM -0500, Felipe Balbi wrote: > > On Thu, Oct 02, 2014 at 02:19:08PM -0700, Tony Lindgren wrote: > > > * Felipe Balbi <balbi@xxxxxx> [141002 13:18]: > > > > On Thu, Oct 02, 2014 at 12:52:38PM -0700, Tony Lindgren wrote: > > > > > > > > > > Hmm here seems to be a link to similar issues from 2011: > > > > > > > > > > http://e2e.ti.com/support/arm/sitara_arm/f/791/p/113593/628790.aspx > > > > > > > > > > Looks like the issue can be potentially reproduced with: > > > > > > > > > > # cyclictest -l100000000 -m -a0 -t1 -n -p99 -i200 -h200 -q > > > > > > > > running here on am335x and am437x. On that same post, on person > > > > mentions he reproduced on beagle bone. > > > > > > OK I'll run it here too on my am37xx evm. Looks like Stanley was > > > running both cyclictest and hackbench the same time. > > > > yeah I did that. > > > > BTW, just got the following on BBB, AM437x SK is still running. > > > > [ 3952.432262] Kernel panic - not syncing: Attempted to kill the idle task!752763 > > [ 3952.442403] CPU: 0 PID: 0 Comm: hackbench Not tainted 3.17.0-rc6-00456-gd8da063 #222 > > [ 3952.450517] [<c0017338>] (unwind_backtrace) from [<c0012fdc>] (show_stack+0x20/0x24) > > [ 3952.458620] [<c0012fdc>] (show_stack) from [<c0647f0c>] (dump_stack+0x8c/0xa4) > > [ 3952.466168] [<c0647f0c>] (dump_stack) from [<c0644da4>] (panic+0xa4/0x224) > > [ 3952.473358] [<c0644da4>] (panic) from [<c004b510>] (do_exit+0x924/0x9d8) > > [ 3952.480358] [<c004b510>] (do_exit) from [<c004c4d8>] (do_group_exit+0x50/0xc0) > > [ 3952.487903] [<c004c4d8>] (do_group_exit) from [<c004c568>] (__wake_up_parent+0x0/0x30) > > [ 3952.496179] [<c004c568>] (__wake_up_parent) from [<c000ed40>] (ret_fast_syscall+0x0/0x48) > > [ 3952.504875] drm_kms_helper: panic occurred, switching back to text console > > [ 3952.517844] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! > > > > > > > And I'll also queue the following patch during the -rc cycle to > > > avoid apps segfaulting occasionally at random on omap3. > > > > and maybe this will fix BBB :-) I'll add that locally. If I survive > > until tomorrow, I'll add a Tested-by. > > BBB died again with the same behavior as above, but I think it's > unrelated to this errata. Therefore: > > Tested-by: Felipe Balbi <balbi@xxxxxx> BTW, I have revision r3p2: CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d And it still seems to need 430973. Looks like my 37xx evm produced no errors overnight running cyclictest and hackbench the same time. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
