Comment 73 for bug 773524

This just happened to me on Precise with this kernel, so it looks like the fix for Natty & Oneiric needs to be applied to Precise also.
Linux thinkpad 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Removing the sdhci_pci & sdhci modules and re-loading them fixed the issued.

[262622.993708] ------------[ cut here ]------------
[262622.993721] WARNING: at /build/buildd/linux-3.2.0/drivers/mmc/host/sdhci.c:959 sdhci_send_command+0x1f3/0x240 [sdhci]()
[262622.993726] Hardware name: 4318CTO
[262622.993728] Modules linked in: mmc_block iwlwifi hid_microsoft usbhid hid pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) ip6table_filter ip6_tables dm_crypt ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables joydev bridge stp kvm_intel kvm bnep rfcomm parport_pc ppdev btusb bluetooth snd_hda_codec_hdmi nvidia(P) arc4 mxm_wmi uvcvideo videodev v4l2_compat_ioctl32 snd_hda_codec_conexant mac80211 snd_seq_midi thinkpad_acpi snd_rawmidi psmouse snd_seq_midi_event serio_raw snd_seq cfg80211 snd_hda_intel i7core_edac edac_core snd_hda_codec snd_hwdep snd_seq_device snd_pcm snd_timer snd nvram tpm_tis soundcore snd_page_alloc wmi mac_hid lp parport vesafb firewire_ohci e1000e firewire_core sdhci_pci crc_itu_t sdhci video [last unloaded: iwlwifi]
[262622.993815] Pid: 1075, comm: rs:main Q:Reg Tainted: P W O 3.2.0-30-generic #48-Ubuntu
[262622.993818] Call Trace:
[262622.993820] <IRQ> [<ffffffff81066d7f>] warn_slowpath_common+0x7f/0xc0
[262622.993832] [<ffffffff81066dda>] warn_slowpath_null+0x1a/0x20
[262622.993841] [<ffffffffa000e6e3>] sdhci_send_command+0x1f3/0x240 [sdhci]
[262622.993850] [<ffffffffa000e804>] sdhci_finish_data+0xd4/0x150 [sdhci]
[262622.993858] [<ffffffffa000ecdf>] sdhci_data_irq+0x14f/0x220 [sdhci]
[262622.993867] [<ffffffffa000ef4f>] sdhci_irq+0x19f/0x260 [sdhci]
[262622.993872] [<ffffffff810d8a85>] handle_irq_event_percpu+0x55/0x210
[262622.993878] [<ffffffff810d8c91>] handle_irq_event+0x51/0x80
[262622.993883] [<ffffffff810dbcba>] handle_fasteoi_irq+0x6a/0x110
[262622.993888] [<ffffffff81015282>] handle_irq+0x22/0x40
[262622.993894] [<ffffffff8166551a>] do_IRQ+0x5a/0xe0
[262622.993898] [<ffffffff8165a8ae>] common_interrupt+0x6e/0x6e
[262622.993901] <EOI> [<ffffffff8125e3fc>] ? jbd2__journal_start+0x8c/0x110
[262622.993912] [<ffffffff811179c3>] ? find_get_page+0x13/0x90
[262622.993917] [<ffffffff81117a6a>] find_lock_page+0x2a/0x80
[262622.993923] [<ffffffff81117cc9>] grab_cache_page_write_begin+0x49/0xe0
[262622.993929] [<ffffffff81217cc0>] ext4_da_write_begin+0xa0/0x210
[262622.993935] [<ffffffff813177ad>] ? copy_user_generic_string+0x2d/0x40
[262622.993941] [<ffffffff811172da>] generic_perform_write+0xca/0x210
[262622.993946] [<ffffffff8121b940>] ? ext4_dirty_inode+0x50/0x60
[262622.993952] [<ffffffff8111747d>] generic_file_buffered_write+0x5d/0x90
[262622.993958] [<ffffffff81118e99>] __generic_file_aio_write+0x229/0x440
[262622.993964] [<ffffffff81119122>] generic_file_aio_write+0x72/0xe0
[262622.993970] [<ffffffff8121104f>] ext4_file_write+0xbf/0x260
[262622.993975] [<ffffffff8109e7a6>] ? futex_wait+0x146/0x210
[262622.993980] [<ffffffff810527d2>] ? ttwu_queue+0x92/0xd0
[262622.993985] [<ffffffff8117760a>] do_sync_write+0xda/0x120
[262622.993991] [<ffffffff812d7a98>] ? apparmor_file_permission+0x18/0x20
[262622.993996] [<ffffffff8129d22c>] ? security_file_permission+0x2c/0xb0
[262622.994002] [<ffffffff81177bb1>] ? rw_verify_area+0x61/0xf0
[262622.994006] [<ffffffff81177f13>] vfs_write+0xb3/0x180
[262622.994011] [<ffffffff8117823a>] sys_write+0x4a/0x90
[262622.994016] [<ffffffff81662a02>] system_call_fastpath+0x16/0x1b
[262622.994020] ---[ end trace 4ad1749dd61c6485 ]---
[262622.994098] mmc0: Got command interrupt 0x00010000 even though no command operation was in progress.
[262622.994352] mmcblk0: error -110 sending status command, retrying
[262622.994530] mmcblk0: error -110 sending status command, retrying
[262622.994632] mmcblk0: error -110 sending status command, aborting
[262622.994638] end_request: I/O error, dev mmcblk0, sector 56