With linux-image-3.0.0-32-generic-pae_3.0.0-32.51_i386.deb i get the following error message when I insert my SDHC card:

[  132.205270] mmc0: Timeout waiting for hardware interrupt.
[  132.205293] sdhci: =========== REGISTER DUMP (mmc0)===========
[  132.205340] sdhci: Sys addr: 0x00000000 | Version:  0x00001502
[  132.205347] sdhci: Blk size: 0x00000000 | Blk cnt:  0x00000000
[  132.205354] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
[  132.205362] sdhci: Present:  0x1eff0001 | Host ctl: 0x00000001
[  132.205369] sdhci: Power:    0x0000000f | Blk gap:  0x00000000
[  132.205376] sdhci: Wake-up:  0x00000000 | Clock:    0x0000fa07
[  132.205382] sdhci: Timeout:  0x00000000 | Int stat: 0x00000000
[  132.205390] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3
[  132.205397] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[  132.205404] sdhci: Caps:     0x176ec8b0 | Caps_1:   0x03002177
[  132.205411] sdhci: Cmd:      0x00000000 | Max curr: 0x00000000
[  132.205416] sdhci: Host ctl2: 0x00000000
[  132.205422] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000
[  132.205425] sdhci: ===========================================

After rmmod tg3, the SDHC card is still not detected:

[  373.921459] tg3.c:v3.119 (May 18, 2011)
[  373.934630] tg3 0000:04:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[  373.934659] tg3 0000:04:00.0: setting latency timer to 64

After modprobe tg3, the SDHC card is still not working properly:

[  373.961035] tg3 0000:04:00.0: eth0: Tigon3 [partno(BCM57785) rev 57785100] (PCI Express) MAC address b8:88:e3:42:5d:df
[  373.961048] tg3 0000:04:00.0: eth0: attached PHY is 57765 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])
[  373.961056] tg3 0000:04:00.0: eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
[  373.961063] tg3 0000:04:00.0: eth0: dma_rwctrl[00000001] dma_mask[64-bit]
[  373.982018] tg3 0000:04:00.0: irq 42 for MSI/MSI-X
[  373.982029] tg3 0000:04:00.0: irq 43 for MSI/MSI-X
[  373.982036] tg3 0000:04:00.0: irq 44 for MSI/MSI-X
[  374.554915] ADDRCONF(NETDEV_UP): eth0: link is not ready
[  384.593374] mmc0: Timeout waiting for hardware interrupt.
[  384.593385] sdhci: =========== REGISTER DUMP (mmc0)===========
[  384.593434] sdhci: Sys addr: 0x00000000 | Version:  0x00001502
[  384.593443] sdhci: Blk size: 0x00000000 | Blk cnt:  0x00000000
[  384.593451] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
[  384.593460] sdhci: Present:  0x1fff0001 | Host ctl: 0x00000001
[  384.593469] sdhci: Power:    0x0000000d | Blk gap:  0x00000000
[  384.593477] sdhci: Wake-up:  0x00000000 | Clock:    0x0000f447
[  384.593486] sdhci: Timeout:  0x00000000 | Int stat: 0x00000000
[  384.593495] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3
[  384.593503] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[  384.593512] sdhci: Caps:     0x176ec8b0 | Caps_1:   0x03002177
[  384.593521] sdhci: Cmd:      0x0000371a | Max curr: 0x00000000
[  384.593527] sdhci: Host ctl2: 0x00000000
[  384.593535] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000
[  384.593539] sdhci: ===========================================

Removed and re-insert the card:

[  386.565361] mmc0: Card removed during transfer!
[  386.565372] mmc0: Resetting controller.
[  386.574142] mmc0: error -123 whilst initialising SD card