On 23 ноября 2012 09:51:39 Stefan Kalkowski wrote:
Hi,
thanks for detailed bug report. The problem isn't located in L4Linux nor in its block driver, but in the ATAPI driver. The creation of an EXT filesystem resulted in: the Linux kernel requesting a lot of blocks at once from the ATAPI driver. When the driver initiated DMA operations, it doesn't respect the limit of blocks that is possible to transfer via DMA. Thereby, the driver stucked when getting no further interrupts, and the Linux block-layer stucked too.
I've described this behaviour in an issue in our issue-tracker:
https://github.com/genodelabs/genode/issues/514
To solve the problem, you might try the following patch:
https://github.com/genodelabs/genode/commit/1ab32273d25646c33a69b469e8756ed7 84918bf0.patch
or use the staging branch of the Genode repository.
Regards Stefan
On 11/20/2012 11:33 AM, Timur wrote:
Hi! mke2fs with simple block device (l4linux + atapi drv) work's correctly, but if i create encrypted device with cryptsetup, open it (there device mapper file created) and try to create file system (on dm-device) using mke2fs then system freezes(infinitely write to device). I found that problem in fsync call at unix_flush(io_channel channel) function (mke2fs_source/lib/ext2fs/unix_io.c). Help me to solve this problem) .run file attached initrd with cryptsetup - https://github.com/shomich/files/blob/master/initrd.gz
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Thanks, but I've already test it and it's doesn't work with device-mapper device