> This build now enables XO-4 idle suspend by default. This is still a > work in progress, there are still various instabilities which may make > this build feel more unstable than previous ones. You can disable > automatic power management in sugar's Settings panel to restore > previous behaviour. > > These are the instabilities I have found in a few hours using it:
* The xo shutdown showing a big 01 (or OI) in the screen. Serial connector show a lot of: [ 660.846067] mmcblk0: error -110 sending status command, retrying [ 660.846068] mmcblk0: error -110 sending status command, retrying [ 660.846098] mmcblk0: error -110 sending status command, aborting [ 660.846128] end_request: I/O error, dev mmcblk0, sector 3614152 * After restart, when tried to do "/sbin/ifconfig" the command does not finish, (as olpc or root) and can't be killed. * In the serial port I see a continue of errors like: [ 164.830574] WARNING: at drivers/misc/olpc-ec-1-75.c:220 olpc_ec_1_75_strobe_ack+0x40/0x6c() [ 164.830574] Modules linked in: fuse xt_tcpudp mousedev iptable_filter ip_tables x_tables btmrvl_sdio btmrvl mwifiex_sdio mwifiex bluetooth uinput joydev psmouse mmp_camera videobuf2_dma_sg videobuf2_vmalloc videobuf2_memops videobuf2_core zforce syscopyarea sysfillrect sysimgblt fb_sys_fops sisusbvga siv120d [last unloaded: udlfb] [ 164.838850] [<c00157a4>] (unwind_backtrace+0x0/0x128) from [<c0417764>] (dump_stack+0x20/0x24) [ 164.867963] [<c0417764>] (dump_stack+0x20/0x24) from [<c002108c>] (warn_slowpath_common+0x5c/0x74) [ 164.885407] [<c002108c>] (warn_slowpath_common+0x5c/0x74) from [<c00210d0>] (warn_slowpath_null+0x2c/0x34) [ 164.885407] [<c00210d0>] (warn_slowpath_null+0x2c/0x34) from [<c0244134>] (olpc_ec_1_75_strobe_ack+0x40/0x6c) [ 164.904827] [<c0244134>] (olpc_ec_1_75_strobe_ack+0x40/0x6c) from [<c02441e4>] (olpc_ec_1_75_send_command+0x84/0x90) [ 164.904827] [<c02441e4>] (olpc_ec_1_75_send_command+0x84/0x90) from [<c02451a8>] (olpc_ec_1_75_ssp_handler+0x27c/0x510) [ 164.915269] [<c02451a8>] (olpc_ec_1_75_ssp_handler+0x27c/0x510) from [<c007a678>] (handle_irq_event_percpu+0x98/0x2a4) [ 164.925979] [<c007a678>] (handle_irq_event_percpu+0x98/0x2a4) from [<c007a8ec>] (handle_irq_event+0x68/0x84) [ 164.936592] [<c007a8ec>] (handle_irq_event+0x68/0x84) from [<c007d3a0>] (handle_level_irq+0xec/0x124) [ 164.946343] [<c007d3a0>] (handle_level_irq+0xec/0x124) from [<c0079e94>] (generic_handle_irq+0x30/0x40) [ 164.955493] [<c0079e94>] (generic_handle_irq+0x30/0x40) from [<c000fc9c>] (handle_IRQ+0x70/0x94) [ 164.964824] [<c000fc9c>] (handle_IRQ+0x70/0x94) from [<c0008550>] (asm_do_IRQ+0x18/0x1c) [ 164.981570] [<c0008550>] (asm_do_IRQ+0x18/0x1c) from [<c000ea2c>] (__irq_usr+0x4c/0x80) [ 164.989508] Exception stack(0xec447fb0 to 0xec447ff8) [ 164.994516] 7fa0: b680f358 00000000 00000038 00000000 [ 165.002626] 7fc0: 00022358 00000000 b6fe1a38 bed76244 bed76244 00000006 b6fe1a38 b68083f8 [ 165.010739] 7fe0: 00000010 bed761e8 b6fbfd5c b6fb9d04 60070010 ffffffff [ 165.010739] ---[ end trace 2ddf9329036edcc8 ]--- [ 260.911774] ------------[ cut here ]------------ [ 260.921034] WARNING: at drivers/misc/olpc-ec-1-75.c:220 olpc_ec_1_75_strobe_ack+0x40/0x6c() [ 260.921034] Modules linked in: fuse xt_tcpudp mousedev iptable_filter ip_tables x_tables btmrvl_sdio btmrvl mwifiex_sdio mwifiex bluetooth uinput joydev psmouse mmp_camera videobuf2_dma_sg videobuf2_vmalloc videobuf2_memops videobuf2_core zforce syscopyarea sysfillrect sysimgblt fb_sys_fops sisusbvga siv120d [last unloaded: udlfb] [ 260.958424] [<c00157a4>] (unwind_backtrace+0x0/0x128) from [<c0417764>] (dump_stack+0x20/0x24) [ 260.958424] [<c0417764>] (dump_stack+0x20/0x24) from [<c002108c>] (warn_slowpath_common+0x5c/0x74) [ 260.966976] [<c002108c>] (warn_slowpath_common+0x5c/0x74) from [<c00210d0>] (warn_slowpath_null+0x2c/0x34) [ 260.985448] [<c00210d0>] (warn_slowpath_null+0x2c/0x34) from [<c0244134>] (olpc_ec_1_75_strobe_ack+0x40/0x6c) [ 260.995288] [<c0244134>] (olpc_ec_1_75_strobe_ack+0x40/0x6c) from [<c02441e4>] (olpc_ec_1_75_send_command+0x84/0x90) [ 260.995288] [<c02441e4>] (olpc_ec_1_75_send_command+0x84/0x90) from [<c02451a8>] (olpc_ec_1_75_ssp_handler+0x27c/0x510) [ 261.005729] [<c02451a8>] (olpc_ec_1_75_ssp_handler+0x27c/0x510) from [<c007a678>] (handle_irq_event_percpu+0x98/0x2a4) [ 261.016440] [<c007a678>] (handle_irq_event_percpu+0x98/0x2a4) from [<c007a8ec>] (handle_irq_event+0x68/0x84) [ 261.027051] [<c007a8ec>] (handle_irq_event+0x68/0x84) from [<c007d3a0>] (handle_level_irq+0xec/0x124) [ 261.045954] [<c007d3a0>] (handle_level_irq+0xec/0x124) from [<c0079e94>] (generic_handle_irq+0x30/0x40) [ 261.045954] [<c0079e94>] (generic_handle_irq+0x30/0x40) from [<c000fc9c>] (handle_IRQ+0x70/0x94) [ 261.055282] [<c000fc9c>] (handle_IRQ+0x70/0x94) from [<c0008550>] (asm_do_IRQ+0x18/0x1c) [ 261.064002] [<c0008550>] (asm_do_IRQ+0x18/0x1c) from [<c000e84c>] (__irq_svc+0x4c/0x94) [ 261.079969] Exception stack(0xec447ba0 to 0xec447be8) [ 261.084979] 7ba0: 00000000 ec447be8 0000000a 00000000 00000002 c06494c4 fe282104 ec447c94 [ 261.084979] 7bc0: c0649480 00000038 3f9b6b3c ec447c24 ec447c28 ec447be8 c0029550 c0028f20 [ 261.101206] 7be0: 20070113 ffffffff [ 261.101206] [<c000e84c>] (__irq_svc+0x4c/0x94) from [<c0028f20>] (__do_softirq+0x58/0x248) [ 261.112868] [<c0028f20>] (__do_softirq+0x58/0x248) from [<c0029550>] (irq_exit+0x54/0xb8) [ 261.112868] [<c0029550>] (irq_exit+0x54/0xb8) from [<c000fca0>] (handle_IRQ+0x74/0x94) [ 261.128840] [<c000fca0>] (handle_IRQ+0x74/0x94) from [<c0008550>] (asm_do_IRQ+0x18/0x1c) [ 261.128840] [<c0008550>] (asm_do_IRQ+0x18/0x1c) from [<c000e84c>] (__irq_svc+0x4c/0x94) [ 261.144807] Exception stack(0xec447c60 to 0xec447ca8) [ 261.149816] 7c60: 00000050 00000001 60070113 60070113 00000050 00000001 00000003 00000000 [ 261.149816] 7c80: c0639050 00000038 ec447d40 ec447cfc ec447c58 ec447ca8 c002319c c00236d4 [ 261.166028] 7ca0: 60070113 ffffffff [ 261.169490] [<c000e84c>] (__irq_svc+0x4c/0x94) from [<c00236d4>] (vprintk_emit+0x3c4/0x3ec) [ 261.169490] [<c00236d4>] (vprintk_emit+0x3c4/0x3ec) from [<c0417a4c>] (printk_emit+0x30/0x38) [ 261.186241] [<c0417a4c>] (printk_emit+0x30/0x38) from [<c022bf78>] (__dev_printk+0x178/0x1a4) [ 261.186241] [<c022bf78>] (__dev_printk+0x178/0x1a4) from [<c022c0d8>] (dev_err+0x44/0x50) [ 261.202816] [<c022c0d8>] (dev_err+0x44/0x50) from [<c02ba150>] (power_supply_show_property+0xb8/0x1d4) [ 261.202816] [<c02ba150>] (power_supply_show_property+0xb8/0x1d4) from [<c02ba3a8>] (power_supply_uevent+0xf4/0x264) [ 261.222405] [<c02ba3a8>] (power_supply_uevent+0xf4/0x264) from [<c022d544>] (dev_uevent+0x180/0x258) [ 261.222405] [<c022d544>] (dev_uevent+0x180/0x258) from [<c022b8ec>] (show_uevent+0xac/0x11c) [ 261.231468] [<c022b8ec>] (show_uevent+0xac/0x11c) from [<c022c2a8>] (dev_attr_show+0x2c/0x58) [ 261.239842] [<c022c2a8>] (dev_attr_show+0x2c/0x58) from [<c0134924>] (sysfs_read_file+0xb8/0x184) [ 261.257113] [<c0134924>] (sysfs_read_file+0xb8/0x184) from [<c00d3800>] (vfs_read+0xb8/0x144) [ 261.265568] [<c00d3800>] (vfs_read+0xb8/0x144) from [<c00d38d4>] (sys_read+0x48/0x7c) [ 261.273337] [<c00d38d4>] (sys_read+0x48/0x7c) from [<c000ecc0>] (ret_fast_syscall+0x0/0x30) [ 261.273337] ---[ end trace 2ddf9329036edce1 ]--- [ 409.280999] ---[ end trace 2ddf9329036edd07 ]--- [ 413.086693] olpc-ec-1.75: EC cmd error: timeout in STATE 2 [ 413.092187] power_supply olpc-ac: driver failed to report `online' property: 4294967186 [ 413.100165] olpc-ec-1.75: transmit FIFO not empty [ 413.104842] ------------[ cut here ]------------ Gonzalo
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