From 3b06c03f9ee45c727d52736a81ae5777814fab2d Mon Sep 17 00:00:00 2001 From: CentOS Sources Date: Tue, 21 Sep 2021 03:18:33 -0400 Subject: [PATCH] import grub2-2.02-99.el8_4.1 --- ...eee1275-ofdisk-retry-on-open-failure.patch | 103 ++++++++++++++++++ SOURCES/grub.patches | 1 + SPECS/grub2.spec | 6 +- 3 files changed, 109 insertions(+), 1 deletion(-) create mode 100644 SOURCES/0481-ieee1275-ofdisk-retry-on-open-failure.patch diff --git a/SOURCES/0481-ieee1275-ofdisk-retry-on-open-failure.patch b/SOURCES/0481-ieee1275-ofdisk-retry-on-open-failure.patch new file mode 100644 index 0000000..93ad912 --- /dev/null +++ b/SOURCES/0481-ieee1275-ofdisk-retry-on-open-failure.patch @@ -0,0 +1,103 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Diego Domingos +Date: Wed, 10 Mar 2021 14:17:52 -0500 +Subject: [PATCH] ieee1275/ofdisk: retry on open failure + +This patch aims to make grub more robust when booting from SAN/Multipath disks. + +If a path is failing intermittently so grub will retry the OPEN and READ the +disk (grub_ieee1275_open and grub_ieee1275_read) until the total amount of times +specified in MAX_RETRIES. + +Signed-off-by: Diego Domingos +--- + grub-core/disk/ieee1275/ofdisk.c | 25 ++++++++++++++++++++----- + include/grub/ieee1275/ofdisk.h | 8 ++++++++ + 2 files changed, 28 insertions(+), 5 deletions(-) + +diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c +index f3a6ecd797f..98325ca982f 100644 +--- a/grub-core/disk/ieee1275/ofdisk.c ++++ b/grub-core/disk/ieee1275/ofdisk.c +@@ -225,7 +225,9 @@ dev_iterate (const struct grub_ieee1275_devalias *alias) + char *buf, *bufptr; + unsigned i; + +- if (grub_ieee1275_open (alias->path, &ihandle)) ++ ++ RETRY_IEEE1275_OFDISK_OPEN(alias->path, &ihandle) ++ if (! ihandle) + return; + + /* This method doesn't need memory allocation for the table. Open +@@ -305,7 +307,9 @@ dev_iterate (const struct grub_ieee1275_devalias *alias) + return; + } + +- if (grub_ieee1275_open (alias->path, &ihandle)) ++ RETRY_IEEE1275_OFDISK_OPEN(alias->path, &ihandle); ++ ++ if (! ihandle) + { + grub_free (buf); + grub_free (table); +@@ -495,7 +499,7 @@ grub_ofdisk_open (const char *name, grub_disk_t disk) + last_ihandle = 0; + last_devpath = NULL; + +- grub_ieee1275_open (op->open_path, &last_ihandle); ++ RETRY_IEEE1275_OFDISK_OPEN(op->open_path, &last_ihandle); + if (! last_ihandle) + return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "can't open device"); + last_devpath = op->open_path; +@@ -571,7 +575,7 @@ grub_ofdisk_prepare (grub_disk_t disk, grub_disk_addr_t sector) + last_ihandle = 0; + last_devpath = NULL; + +- grub_ieee1275_open (disk->data, &last_ihandle); ++ RETRY_IEEE1275_OFDISK_OPEN(disk->data, &last_ihandle); + if (! last_ihandle) + return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "can't open device"); + last_devpath = disk->data; +@@ -598,12 +602,23 @@ grub_ofdisk_read (grub_disk_t disk, grub_disk_addr_t sector, + return err; + grub_ieee1275_read (last_ihandle, buf, size << disk->log_sector_size, + &actual); +- if (actual != (grub_ssize_t) (size << disk->log_sector_size)) ++ int i = 0; ++ while(actual != (grub_ssize_t) (size << disk->log_sector_size)){ ++ if (i>MAX_RETRIES){ + return grub_error (GRUB_ERR_READ_ERROR, N_("failure reading sector 0x%llx " + "from `%s'"), + (unsigned long long) sector, + disk->name); ++ } ++ last_devpath = NULL; ++ err = grub_ofdisk_prepare (disk, sector); ++ if (err) ++ return err; + ++ grub_ieee1275_read (last_ihandle, buf, size << disk->log_sector_size, ++ &actual); ++ i++; ++ } + return 0; + } + +diff --git a/include/grub/ieee1275/ofdisk.h b/include/grub/ieee1275/ofdisk.h +index 2f69e3f191d..7d2d5409305 100644 +--- a/include/grub/ieee1275/ofdisk.h ++++ b/include/grub/ieee1275/ofdisk.h +@@ -22,4 +22,12 @@ + extern void grub_ofdisk_init (void); + extern void grub_ofdisk_fini (void); + ++#define MAX_RETRIES 20 ++ ++ ++#define RETRY_IEEE1275_OFDISK_OPEN(device, last_ihandle) unsigned retry_i=0;for(retry_i=0; retry_i < MAX_RETRIES; retry_i++){ \ ++ if(!grub_ieee1275_open(device, last_ihandle)) \ ++ break; \ ++ grub_dprintf("ofdisk","Opening disk %s failed. Retrying...\n",device); } ++ + #endif /* ! GRUB_INIT_HEADER */ diff --git a/SOURCES/grub.patches b/SOURCES/grub.patches index cc743e3..b685013 100644 --- a/SOURCES/grub.patches +++ b/SOURCES/grub.patches @@ -478,3 +478,4 @@ Patch0477: 0477-kern-misc-Add-function-to-check-printf-format-agains.patch Patch0478: 0478-gfxmenu-gui-Check-printf-format-in-the-gui_progress_.patch Patch0479: 0479-kern-mm-Fix-grub_debug_calloc-compilation-error.patch Patch0480: 0480-efi-net-Fix-malformed-device-path-arithmetic-errors-.patch +Patch0481: 0481-ieee1275-ofdisk-retry-on-open-failure.patch diff --git a/SPECS/grub2.spec b/SPECS/grub2.spec index 86208d2..2e410a0 100644 --- a/SPECS/grub2.spec +++ b/SPECS/grub2.spec @@ -7,7 +7,7 @@ Name: grub2 Epoch: 1 Version: 2.02 -Release: 99%{?dist} +Release: 99%{?dist}.1 Summary: Bootloader with support for Linux, Multiboot and more Group: System Environment/Base License: GPLv3+ @@ -503,6 +503,10 @@ fi %endif %changelog +* Mon May 17 2021 Javier Martinez Canillas - 2.02-99.el8_4.1 +- Fix boot failures in ppc64le caused by storage race condition (diegodo) + Resolves: rhbz#1961265 + * Thu Feb 25 2021 Javier Martinez Canillas - 2.02-99 - Fix bug of grub2-install not checking for the SBAT option Resolves: CVE-2020-14372