Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: mount stuck, khubd blocked | Date | Mon, 23 Jul 2012 15:22:19 -0400 |
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Alan Stern <stern@rowland.harvard.edu> writes:
> On Wed, 20 Jun 2012, Jeff Moyer wrote: > >> Alan Stern <stern@rowland.harvard.edu> writes: >> >> > On Tue, 19 Jun 2012, Dima Tisnek wrote: >> > >> >> I made a microsd flash with 2 partitions, sdb1 is data partition, and >> >> sdb2 is a sentinel partition, 1 block in size. >> >> >> >> I attached the usb-microsd reader with that card in it and by mistake >> >> tried to mount the sentinel partition, I ran: >> >> mount /dev/sdb2 /mnt/flash/ >> >> >> >> mount got stuck, I was not able to kill or strace it, I pulled the usb >> >> reader from the port, mount was still stuck, here's the dmesg log: >> >> Hi, Dima, >> >> Could you try the following patch? >> >> Thanks, >> Jeff >> >> diff --git a/fs/buffer.c b/fs/buffer.c >> index 838a9cf..769b30b 100644 >> --- a/fs/buffer.c >> +++ b/fs/buffer.c >> @@ -930,7 +930,7 @@ init_page_buffers(struct page *page, struct block_device *bdev, >> bh->b_blocknr = block; >> if (uptodate) >> set_buffer_uptodate(bh); >> - if (block < end_block) >> + if (block <= end_block) >> set_buffer_mapped(bh); >> } >> block++; > > Jeff, does this also fix Bugzilla #43269?
First, this patch is wrong. I posted another version later on that got merged for 3.5.
As for bug 43269, it does not look like the same symptoms, so I would not expect the patches I posted to resolve that issue. Sorry.
Cheers, Jeff
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