Public bug reported:
After upgrading to the proposed kernel for Trusty (3.13.0-72.115) I
cannot unlock a luks formatted usb drive. The cryptsetup process seems
to hang with the following stack:
[<ffffffff810c71be>] __synchronize_srcu+0xfe/0x180
[<ffffffff810c725d>] synchronize_srcu+0x1d/0x20
[<ffffffff815beed7>] __dm_destroy+0x117/0x290
[<ffffffff815bfd83>] dm_destroy+0x13/0x20
[<ffffffff815c570e>] dev_remove+0xde/0x120
[<ffffffff815c5dd5>] ctl_ioctl+0x255/0x500
[<ffffffff815c6093>] dm_ctl_ioctl+0x13/0x20
[<ffffffff811d1750>] do_vfs_ioctl+0x2e0/0x4c0
[<ffffffff811d19b1>] SyS_ioctl+0x81/0xa0
[<ffffffff817356dd>] system_call_fastpath+0x1a/0x1f
[<ffffffffffffffff>] 0xffffffffffffffff
** Affects: linux (Ubuntu)
Importance: High
Status: Triaged
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https://bugs.launchpad.net/bugs/1522766
Title:
cryptsetup hangs after kernel upgrade to 3.13.0-72.115
Status in linux package in Ubuntu:
Triaged
Bug description:
After upgrading to the proposed kernel for Trusty (3.13.0-72.115) I
cannot unlock a luks formatted usb drive. The cryptsetup process seems
to hang with the following stack:
[<ffffffff810c71be>] __synchronize_srcu+0xfe/0x180
[<ffffffff810c725d>] synchronize_srcu+0x1d/0x20
[<ffffffff815beed7>] __dm_destroy+0x117/0x290
[<ffffffff815bfd83>] dm_destroy+0x13/0x20
[<ffffffff815c570e>] dev_remove+0xde/0x120
[<ffffffff815c5dd5>] ctl_ioctl+0x255/0x500
[<ffffffff815c6093>] dm_ctl_ioctl+0x13/0x20
[<ffffffff811d1750>] do_vfs_ioctl+0x2e0/0x4c0
[<ffffffff811d19b1>] SyS_ioctl+0x81/0xa0
[<ffffffff817356dd>] system_call_fastpath+0x1a/0x1f
[<ffffffffffffffff>] 0xffffffffffffffff
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