Re: RTC , ds1307 I2C driver and NTP does not work.
flat view
From: Kumar Gala <hidden>
Date: 2006-11-17 16:57:08
On Nov 17, 2006, at 10:38 AM, Joakim Tjernlund wrote:
I get this when I activathte NTP and ntp "sync" the time the I2C HW clock.
You may be better off posting this to lkml and copy the i2c list (and rtc if one exists). Since its more a driver issue than anything really ppc specific. Clearly we are doing schedules() in mpc_xfer() and maybe we shouldn't be. - kumar
quoted hunk ↗ jump to hunk
BUG: scheduling while atomic: swapper/0x00010000/0 Call Trace:^M [C0245C80] [C000860C] show_stack+0x48/0x194 (unreliable) [C0245CB0] [C01BEFF4] schedule+0x5d4/0x618 [C0245CF0] [C01BF9C8] schedule_timeout+0x70/0xd0 [C0245D30] [C014416C] i2c_wait+0x164/0x1d8 [C0245D80] [C0144490] mpc_xfer+0x2b0/0x3a8 [C0245DD0] [C01423E8] i2c_transfer+0x58/0x7c [C0245DF0] [C0141124] ds1307_set_time+0x1bc/0x234 [C0245E00] [C013F82C] rtc_set_time+0xb0/0xb8^M [C0245E20] [C000BFC4] set_rtc_class_time+0x34/0x58 [C0245E40] [C000C8D0] timer_interrupt+0x5a0/0x5fc [C0245EE0] [C000F7B0] ret_from_except+0x0/0x14--- Exception: 901 at cpu_idle+0xc8/0xf0 LR = cpu_idle+0xec/0xf0[C0245FC0] [C000388C] rest_init+0x28/0x38 [C0245FD0] [C01F36E0] start_kernel+0x1d8/0x228 [C0245FF0] [00003438] 0x3438 I have activated RTC CLASS and have this in my board file: #ifdef CONFIG_RTC_CLASS late_initcall(rtc_class_hookup); #endif kernel 2.6.19-rc5 Jocke _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev