Hi, Testing linux-next, I get a crash during resume. Reproduced on an XO-1.5. mmc1 is the wifi card, for which the driver is not loaded. Reverting 9b966aae64^..ed2a978594 (9 runtime sdio patches) causes the issue to go away. mmc1: error -110 during resume (card was removed?) PM: resume of devices complete after 338.994 msecs Restarting tasks ... hub 1-0:1.0: over-current change on port 1 done. usb 1-2: USB disconnect, address 2 mmc1: card 0001 removed BUG: unable to handle kernel NULL pointer dereference at 00000104 IP: [<b05e9d95>] __pm_runtime_idle+0x15/0x53 *pde = 39a62067 *pte = 00000000 Oops: 0002 [#1] PREEMPT last sysfs file: /sys/devices/pci0000:00/0000:00:10.4/usb1/idVendor Modules linked in: Pid: 2011, comm: kworker/u:12 Not tainted 2.6.36-next-20101027+ #10 XO/XO EIP: 0060:[<b05e9d95>] EFLAGS: 00010202 CPU: 0 EIP is at __pm_runtime_idle+0x15/0x53 EAX: 00000004 EBX: 00000004 ECX: 00000001 EDX: 00000005 ESI: e9b58c10 EDI: e9f5bf40 EBP: e9f5bf18 ESP: e9f5bf04 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process kworker/u:12 (pid: 2011, ti=e9f5a000 task=e9dd45d0 task.ti=e9f5a000) Stack: e9b58a48 e9b58c10 e9b58a48 e9b58c10 e9f5bf40 e9f5bf28 b06474d0 e9b58a48 e9b58c10 e9f5bf50 b0642fab 00061a80 000493e0 00030d40 000186a0 b0740857 e9b58cb0 e9e4ed38 b09372c0 e9f5bf7c b0433f50 e9f5bf64 b041a8de b0642f29 Call Trace: [<b06474d0>] ? mmc_sdio_detect+0x85/0x89 [<b0642fab>] ? mmc_rescan+0x82/0x279 [<b0740857>] ? sub_preempt_count+0x81/0x8e [<b0433f50>] ? process_one_work+0x1d0/0x31d [<b041a8de>] ? get_parent_ip+0xb/0x31 [<b0642f29>] ? mmc_rescan+0x0/0x279 [<b043420c>] ? worker_thread+0x16f/0x2a2 [<b043409d>] ? worker_thread+0x0/0x2a2 [<b0436ba7>] ? kthread+0x66/0x6b [<b0436b41>] ? kthread+0x0/0x6b [<b0402db6>] ? kernel_thread_helper+0x6/0x10 Code: 08 00 00 00 89 d8 e8 6f fe ff ff 89 f0 e8 9d 44 15 00 5b 5e 5d c3 55 89 e5 57 56 53 83 ec 08 0f 1f 44 00 00 f6 c2 04 89 c3 74 0f <ff> 88 00 01 EIP: [<b05e9d95>] __pm_runtime_idle+0x15/0x53 SS:ESP 0068:e9f5bf04 CR2: 0000000000000104 ---[ end trace b018ceefced52bd9 ]--- Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html