Hi, On Mon, May 28 2012, Tony Lindgren wrote: > Commit b01a4f1c (mmc: omap: convert to per instance workqueue) initializes > the workqueue too late causing the following: > > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > pgd = c0004000 > [00000000] *pgd=00000000 > Internal error: Oops: 5 [#1] SMP ARM > Modules linked in: > CPU: 0 Not tainted (3.4.0-08218-gb48b2c3 #158) > PC is at __queue_work+0x8/0x46c > LR is at queue_work_on+0x38/0x40 > pc : [<c005bb4c>] lr : [<c005c00c>] psr: 60000193 > sp : c0691e1c ip : 00000000 fp : c07374ac > r10: c7aae400 r9 : c0395700 r8 : 00000100 > r7 : c0691e70 r6 : 00000000 r5 : 00000000 r4 : c7aae440 > r3 : 00000001 r2 : c7aae440 r1 : 00000000 r0 : 00000000 > Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel > Control: 00c5387d Table: 80004000 DAC: 00000017 > Process swapper/0 (pid: 0, stack limit = 0xc06902f8) > Stack: (0xc0691e1c to 0xc0692000) > > Fix this by initializing the workqueue before mmc_omap_remove_slot() > get called. Tested on n770, looks like n800 at least still has some > other issue with MMC. > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> Thanks, pushed to mmc-next for 3.5. - Chris. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child -- 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
