Messages in this thread | | | Date | Tue, 2 Apr 2013 19:41:37 +0400 | Subject | Re: mkfs.f2fs gets stuck with "blk_update_request: bio idx 0 >= vcnt 0" on 3.8 | From | Max Filippov <> |
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On Tue, Apr 2, 2013 at 10:27 AM, Vyacheslav Dubeyko <slava@dubeyko.com> wrote: > On Tue, 2013-04-02 at 00:21 +0400, Max Filippov wrote:
[...]
>> # cat /proc/partitions >> major minor #blocks name >> >> 179 0 7782400 mmcblk0 >> 179 1 40131 mmcblk0p1 >> 179 2 32130 mmcblk0p2 >> 179 3 5685248 mmcblk0p3 >> > > As I see, you have several partition on your SD-card. How did it > prepared?
I made it with fdisk, just as with any other block device.
>> strace output is the following: >> > [snip] >> write(1, "Info: sector size = 512\n", 24) = 24 >> write(1, "Info: total sectors = 11370496 ("..., 45) = 45 >> write(1, "Info: zone aligned segment0 blka"..., 41) = 41 >> fstat64(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(179, 3), ...}) = 0 >> ioctl(3, BLKDISCARD > > As I understand, the BLKDISCARD ioctl (to pre-discard all blocks on an > ssd, or a thinly-provisioned storage device) is a visible reason of the > issue. Unfortunately, as I see, mkfs.f2fs doesn't support option to > format partition without blocks discard step. > > So, I think that it needs to investigate issue in the direction of > BLKDISCARD code on the kernel side. It makes sense to debug > f2fs_trim_device() method of mkfs.f2fs utility too. But I can't see > anything strange in this function at a glance.
Ok, I'll try to find what has changed in that ioctl handler since 3.6.
-- Thanks. -- Max
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