Public bug reported:
When booting with root filesystem on sata disks under Intel VMD mode,
following errors printed in dmesg and no disk is found, nor booting into
it:
[ 6.163286] ata1.00: qc timeout (cmd 0xec)
[ 6.165630] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 6.483649] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 16.659284] ata1.00: qc timeout (cmd 0xec)
[ 16.661717] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 16.663161] ata1: limiting SATA link speed to 1.5 Gbps
[ 16.983890] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 48.147294] ata1.00: qc timeout (cmd 0xec)
[ 48.149737] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
[ 48.467889] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
$ lspci
...
10000:e0:17.0 SATA controller: Intel Corporation Device a0d3 (rev 20)
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: High
Status: Confirmed
** Affects: linux (Ubuntu Groovy)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.6 (Ubuntu Groovy)
Importance: Undecided
Status: Invalid
** Tags: oem-priority originate-from-1891445 originate-from-1892806 somerville
** Tags added: oem-priority originate-from-1891445 somerville
** Tags added: originate-from-1892806
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.6 (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.6 (Ubuntu Groovy)
Status: New => Confirmed
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.6 (Ubuntu Groovy)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Groovy)
Status: New => Confirmed
** Changed in: linux (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => High
** Changed in: linux (Ubuntu Groovy)
Importance: Undecided => High
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1894778
Title:
Cannot probe sata disk on sata controller behind VMD: ata1.00: failed
to IDENTIFY (I/O error, err_mask=0x4)
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