Sorry, this patch is already included in Feisty. No previous suggetion helped
me. I built some kernels, sooner or later dmesg will complain about lost pages.
We can however add this controller (it's very popular in empty enclosures from
Spire, Welland and the like) to unusual_devs.h to minimize chance of data
corruption.
UNUSUAL_DEV(0x04b4, 0x6830, 0x0000, 0xffff,
"Cypress Semiconductor",
"USB2.0 Storage Device",
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_GO_SLOW | US_FL_MAX_SECTORS_64),
I don't know if there are any other revs than 0000, but if anyone knows
of working revision, 0xffff could be changed to that.
Perhaps delay different than Genesys GO_SLOW would fix this better. I
give up.
--
USB mass storage stops working after a while
https://bugs.launchpad.net/bugs/61235
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